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THE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
MODERN C++: INTRODUCTION Modern C++: Introduction Modern C++: C++11 / C++14 / C++17 Includes foundation requirements for Qt This training introduces development teams to the C++ language, with a focus on how it is used with Qt. The course is targeted at software engineers with prior knowledge in system or application development, for example experience withsoftware written
QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
DEBUGGING AND PROFILING QT APPLICATIONS ON WINDOWS December 14th, 2021. 3. 9:00-16:00 CET, Berlin, Germany. Debugging and Profiling Qt applications on Linux. English. € 2000.00 (plus VAT if applicable) Confirmed. debug,english,linux,qt. Our trainings run from 9:00 to 16:00 (with a one hour window for discussion afterwards, if necessary) Check out our complete course schedule. CREATING PDF/A DOCUMENTS WITH QT As there were some complex issues around conformity in PDF document creation within Qt, KDAB let me spend some time digging into it so we could make sure that Qt’s PDF engine generates documents up to ISO-standard. Nowadays, many official institutions have the requirement to archive their data digitally and PDF is a first classcitizen for this
WRITING A CUSTOM QT 3D ASPECT THE EIGHT RULES OF MULTITHREADED QT While the concept of multithreading may be straightforward, code with threads is responsible for some wicked bugs, which can be nearly impossible to reproduce or track down. This makes writing bullet-proof code using threads a tall order. Let’s look a little deeper into why that is. First, you need better than average knowledge about the HOW TO INTEGRATE OPENGL CODE WITH QT QUICK 2 An important consideration is that the OpenGL context used by the Qt Quick renderer will be bound when the signals are emitted. This means we can simply have OpenGL calls in our slots, without the problem of finding the “right” OpenGL context to use and make it current. Also, note that the signals are emitted from the render thread, notthe
GAMMARAY USER MANUAL GammaRay is an introspection tool for Qt applications developed by KDAB. Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you towork on a
KOLAB GROUPWARE :: WELCOME TO KOLAB GROUPWARE Kolab Groupware Login. Username: Password: LoginTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
MODERN C++: INTRODUCTION Modern C++: Introduction Modern C++: C++11 / C++14 / C++17 Includes foundation requirements for Qt This training introduces development teams to the C++ language, with a focus on how it is used with Qt. The course is targeted at software engineers with prior knowledge in system or application development, for example experience withsoftware written
QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
DEBUGGING AND PROFILING QT APPLICATIONS ON WINDOWS December 14th, 2021. 3. 9:00-16:00 CET, Berlin, Germany. Debugging and Profiling Qt applications on Linux. English. € 2000.00 (plus VAT if applicable) Confirmed. debug,english,linux,qt. Our trainings run from 9:00 to 16:00 (with a one hour window for discussion afterwards, if necessary) Check out our complete course schedule. CREATING PDF/A DOCUMENTS WITH QT As there were some complex issues around conformity in PDF document creation within Qt, KDAB let me spend some time digging into it so we could make sure that Qt’s PDF engine generates documents up to ISO-standard. Nowadays, many official institutions have the requirement to archive their data digitally and PDF is a first classcitizen for this
WRITING A CUSTOM QT 3D ASPECT THE EIGHT RULES OF MULTITHREADED QT While the concept of multithreading may be straightforward, code with threads is responsible for some wicked bugs, which can be nearly impossible to reproduce or track down. This makes writing bullet-proof code using threads a tall order. Let’s look a little deeper into why that is. First, you need better than average knowledge about the HOW TO INTEGRATE OPENGL CODE WITH QT QUICK 2 An important consideration is that the OpenGL context used by the Qt Quick renderer will be bound when the signals are emitted. This means we can simply have OpenGL calls in our slots, without the problem of finding the “right” OpenGL context to use and make it current. Also, note that the signals are emitted from the render thread, notthe
GAMMARAY USER MANUAL GammaRay is an introspection tool for Qt applications developed by KDAB. Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you towork on a
KOLAB GROUPWARE :: WELCOME TO KOLAB GROUPWARE Kolab Groupware Login. Username: Password: Login MODERN C++: INTRODUCTION Modern C++: Introduction Modern C++: C++11 / C++14 / C++17 Includes foundation requirements for Qt This training introduces development teams to the C++ language, with a focus on how it is used with Qt. The course is targeted at software engineers with prior knowledge in system or application development, for example experience withsoftware written
NEW IN QT 6.1: STD::HASH SUPPORT FOR QHASH In the previous blog post of this series, we discussed KDToolBox::QtHasher, a helper class that allows us to use unordered associative containers datatypes which have a qHash() overload but not a std::hash specialization. The majority of Qt value classes indeed are lacking such a specialization, even if they do provide a qHash() overload.. For our datatypes, having to provide both qHash and HOTSPOT - A GUI FOR THE LINUX PERF PROFILER - KDAB After many months of work, I’m very pleased to finally announce KDAB’s latest R&D project to the public: hotspot – a GUI for the Linux perf profiler. I have used Linux perf a lot over the past years. It is an extremely powerful and useful tool. But its complexity makes it very hard to use. QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on AndroidOPENGL IN QT 5.1
KDAB is a consulting company offering a wide variety of expert services in Qt, C++ and 3D/OpenGL and providing training courses in: Qt, QML and Qt 3D. OpenGL. C++11/C++14/C++17. Debugging and Profiling. KDAB believes that it is critical for our business to contribute to the Qt framework and C++ thinking, to keep pushing these technologies SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance. QT 3D CHANGES IN QT 6 Distribution of Qt 3D for Qt 6. Before looking at what has changed in the API, the first big change concerns how Qt 3D is distributed. Qt 3D has been one of the core modules that ship with every Qt release. Starting with Qt 6, however, Qt 3D will be distributed as a separate source-only package. Qt 6 will ship with a number of such modules, and USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
KOLAB GROUPWARE :: WELCOME TO KOLAB GROUPWARE Kolab Groupware Login. Username: Password: Login MIGRATION FROM MFC TO QT Rewrite vs Migration + Start from clean state + Not bound by technical decisions made decades ago + Revisit and clean up requirements-Long time to market-Lost years of knowledge, corner-cases+ Keep the good, replace the bad + Migration can be done incrementally + Smaller time to market-Developers must know both MFC and Qt-Developers must know migration techniquesTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
CREATING PDF/A DOCUMENTS WITH QT As there were some complex issues around conformity in PDF document creation within Qt, KDAB let me spend some time digging into it so we could make sure that Qt’s PDF engine generates documents up to ISO-standard. Nowadays, many official institutions have the requirement to archive their data digitally and PDF is a first classcitizen for this
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance. USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
QT INPUT METHOD
To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company USING VISUAL STUDIO CODE FOR QT APPLICATIONS The next step once your app is built is to add launch configuration (s) so you can debug (or just run) your executable (s). First, let’s get Visual Studio Code to create a launch configuration file for you by opening the command line (Ctrl+Shift+P), selecting ASYNCHRONOUS PROGRAMMING (AND MORE) WITH QT5 AND C++11 Asynchronous programming (and more) with Qt5 and C++11 Dario Freddi, Ispirata Qt Developer Days 2013THE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
CREATING PDF/A DOCUMENTS WITH QT As there were some complex issues around conformity in PDF document creation within Qt, KDAB let me spend some time digging into it so we could make sure that Qt’s PDF engine generates documents up to ISO-standard. Nowadays, many official institutions have the requirement to archive their data digitally and PDF is a first classcitizen for this
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance. USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
QT INPUT METHOD
To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company USING VISUAL STUDIO CODE FOR QT APPLICATIONS The next step once your app is built is to add launch configuration (s) so you can debug (or just run) your executable (s). First, let’s get Visual Studio Code to create a launch configuration file for you by opening the command line (Ctrl+Shift+P), selecting ASYNCHRONOUS PROGRAMMING (AND MORE) WITH QT5 AND C++11 Asynchronous programming (and more) with Qt5 and C++11 Dario Freddi, Ispirata Qt Developer Days 2013 IN-DEPTH MULTITHREADING This three-day training teaches multithreading application development techniques, using the Qt/C++ object technology. Participants will gain insight into multithreading problems in general, and how they pertain to Qt programs in particular. Examples include how to offload work from the GUI thread, how to increase throughput to the maximum in your application, and optimal strategies for QT DEVELOPER CONFERENCE The Qt Developer Conference is a new addition to the catalog of events hosted by KDAB, covering any aspect of software development with Qt: embedded, widgets, Qt Quick — you name it! If you’re a developer building applications with Qt, this conference is for you. It will take place in Berlin. On the agenda, there will be 1 day of training MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. TOOLS FOR DEBUGGING AND PROFILING QT 3D APPLICATIONS Debugging and Profiling Qt 3D applications. Qt 3D, being a retained mode high level graphic API abstraction, tries to hide most of the details involved in rendering the data provided by applications. It makes a lot of decisions and operations in the background in order to get pixels on the screen. But, because Qt 3D also has very rich API USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
SETTING UP KINECT FOR PROGRAMMING IN LINUX (PART 1) The Kinect, a Microsoft device originally made for the Xbox360 (a gaming console), has become incredibly popular among developers in the past few months; it allows easy tracking of predefined movements without having to wear special clothes or complicated sensors. Once you’re set-up, you would be able to access functions such as handtracking, scene
NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1) New in Qt 5.11: improvements to the model/view APIs (part 1) The Qt model/view APIs are used throughout Qt — in Qt Widgets, in Qt Quick, as well as in other non-GUI code. As I tell my students when I deliver Qt trainings: mastering the usage of model/view classes and functions is mandatory knowledge, any non-trivial Qt application is going to QTHREAD: RUNNING CODE IN A NEW THREAD WITH QTHREAD If you are using Qt and you need to run some code in a separate thread, chances are that you are using QThread for the job.QThread is a very old class in Qt, making its first appearance in Qt 2.2, released on the 22nd of September 2000. Its responsibility is to start a new thread, and let you execute code in that thread. MIGRATION FROM MFC TO QT Rewrite vs Migration + Start from clean state + Not bound by technical decisions made decades ago + Revisit and clean up requirements-Long time to market-Lost years of knowledge, corner-cases+ Keep the good, replace the bad + Migration can be done incrementally + Smaller time to market-Developers must know both MFC and Qt-Developers must know migration techniques ANALYZING PERFORMANCE OF QTQUICK APPLICATIONS Responsiveness • Usually starts in QtQuick signal handlers like onClicked or onPressed • Mix of JS code, property/binding updates and calls into C++ • Measure only relevant time period • Start with QML Profiler, descent into CPU profiler if needed • May load new view – Similar analysis as startup time – Loader: startup timevs reaction time
THE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
CREATING PDF/A DOCUMENTS WITH QT As there were some complex issues around conformity in PDF document creation within Qt, KDAB let me spend some time digging into it so we could make sure that Qt’s PDF engine generates documents up to ISO-standard. Nowadays, many official institutions have the requirement to archive their data digitally and PDF is a first classcitizen for this
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance. USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
QT INPUT METHOD
To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company USING VISUAL STUDIO CODE FOR QT APPLICATIONS The next step once your app is built is to add launch configuration (s) so you can debug (or just run) your executable (s). First, let’s get Visual Studio Code to create a launch configuration file for you by opening the command line (Ctrl+Shift+P), selecting ASYNCHRONOUS PROGRAMMING (AND MORE) WITH QT5 AND C++11 Asynchronous programming (and more) with Qt5 and C++11 Dario Freddi, Ispirata Qt Developer Days 2013THE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
CREATING PDF/A DOCUMENTS WITH QT As there were some complex issues around conformity in PDF document creation within Qt, KDAB let me spend some time digging into it so we could make sure that Qt’s PDF engine generates documents up to ISO-standard. Nowadays, many official institutions have the requirement to archive their data digitally and PDF is a first classcitizen for this
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance. USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
QT INPUT METHOD
To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company USING VISUAL STUDIO CODE FOR QT APPLICATIONS The next step once your app is built is to add launch configuration (s) so you can debug (or just run) your executable (s). First, let’s get Visual Studio Code to create a launch configuration file for you by opening the command line (Ctrl+Shift+P), selecting ASYNCHRONOUS PROGRAMMING (AND MORE) WITH QT5 AND C++11 Asynchronous programming (and more) with Qt5 and C++11 Dario Freddi, Ispirata Qt Developer Days 2013 IN-DEPTH MULTITHREADING This three-day training teaches multithreading application development techniques, using the Qt/C++ object technology. Participants will gain insight into multithreading problems in general, and how they pertain to Qt programs in particular. Examples include how to offload work from the GUI thread, how to increase throughput to the maximum in your application, and optimal strategies for QT DEVELOPER CONFERENCE The Qt Developer Conference is a new addition to the catalog of events hosted by KDAB, covering any aspect of software development with Qt: embedded, widgets, Qt Quick — you name it! If you’re a developer building applications with Qt, this conference is for you. It will take place in Berlin. On the agenda, there will be 1 day of training MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. TOOLS FOR DEBUGGING AND PROFILING QT 3D APPLICATIONS Debugging and Profiling Qt 3D applications. Qt 3D, being a retained mode high level graphic API abstraction, tries to hide most of the details involved in rendering the data provided by applications. It makes a lot of decisions and operations in the background in order to get pixels on the screen. But, because Qt 3D also has very rich API USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
SETTING UP KINECT FOR PROGRAMMING IN LINUX (PART 1) The Kinect, a Microsoft device originally made for the Xbox360 (a gaming console), has become incredibly popular among developers in the past few months; it allows easy tracking of predefined movements without having to wear special clothes or complicated sensors. Once you’re set-up, you would be able to access functions such as handtracking, scene
NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1) New in Qt 5.11: improvements to the model/view APIs (part 1) The Qt model/view APIs are used throughout Qt — in Qt Widgets, in Qt Quick, as well as in other non-GUI code. As I tell my students when I deliver Qt trainings: mastering the usage of model/view classes and functions is mandatory knowledge, any non-trivial Qt application is going to QTHREAD: RUNNING CODE IN A NEW THREAD WITH QTHREAD If you are using Qt and you need to run some code in a separate thread, chances are that you are using QThread for the job.QThread is a very old class in Qt, making its first appearance in Qt 2.2, released on the 22nd of September 2000. Its responsibility is to start a new thread, and let you execute code in that thread. MIGRATION FROM MFC TO QT Rewrite vs Migration + Start from clean state + Not bound by technical decisions made decades ago + Revisit and clean up requirements-Long time to market-Lost years of knowledge, corner-cases+ Keep the good, replace the bad + Migration can be done incrementally + Smaller time to market-Developers must know both MFC and Qt-Developers must know migration techniques ANALYZING PERFORMANCE OF QTQUICK APPLICATIONS Responsiveness • Usually starts in QtQuick signal handlers like onClicked or onPressed • Mix of JS code, property/binding updates and calls into C++ • Measure only relevant time period • Start with QML Profiler, descent into CPU profiler if needed • May load new view – Similar analysis as startup time – Loader: startup timevs reaction time
THE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
ON-SITE TRAINING. PROGRAMMING WITH QT/QML A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topic relevance. Programmers enrolled in this Qt/QML course should have a functional knowledge of C++. QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android WHAT MAKES FOR GOOD ANIMATION? MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
GAMMARAY USER MANUAL GammaRay is an introspection tool for Qt applications developed by KDAB. Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you towork on a
QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open theTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
ON-SITE TRAINING. PROGRAMMING WITH QT/QML A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topic relevance. Programmers enrolled in this Qt/QML course should have a functional knowledge of C++. QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android WHAT MAKES FOR GOOD ANIMATION? MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
GAMMARAY USER MANUAL GammaRay is an introspection tool for Qt applications developed by KDAB. Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you towork on a
QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open the ABOUT US. KDAB THE QT, C++ AND OPENGL EXPERTS The KDAB Group is a leading expert provider of Qt, C++ and OpenGL consulting, development and training services. Since 1999 KDAB’s unique software expertise has helped customers to improve quality, productivity and time to market across desktop, embedded and mobile platforms. In 2019 the KDAB Group had 90+ employees across Americas,Europe
IN-DEPTH MULTITHREADING This three-day training teaches multithreading application development techniques, using the Qt/C++ object technology. Participants will gain insight into multithreading problems in general, and how they pertain to Qt programs in particular. Examples include how to offload work from the GUI thread, how to increase throughput to the maximum in your application, and optimal strategies for MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. KDAB OFFERS UNIQUE QT EXPERT SERVICES KDAB provides Qt Expert services for native and hybrid Qt applications across desktop, embedded and mobile platforms. We also develop specialized Qt tools such as GammaRay, tailored Qt Creator extensions, custom Qt SDKs – integration of 3rd party libraries and more. DEBUGGING AND PROFILING QT APPLICATIONS ON WINDOWS December 14th, 2021. 3. 9:00-16:00 CET, Berlin, Germany. Debugging and Profiling Qt applications on Linux. English. € 2000.00 (plus VAT if applicable) Confirmed. debug,english,linux,qt. Our trainings run from 9:00 to 16:00 (with a one hour window for discussion afterwards, if necessary) Check out our complete course schedule. SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance.GETTING STARTED
Overview Installation. Installing GammaRay is described here.If you are a user of the Qt Automotive Suite, you can skip this step as GammaRay comes pre-installed with your SDK in that case.. Using GammaRay. In order to start using GammaRay, familiarize yourself with its Basic Operations first. Based on your preferred workflow and user interface you can dig deeper in the following chapters:QT INPUT METHOD
To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt CompanyTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
ON-SITE TRAINING. PROGRAMMING WITH QT/QML A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topic relevance. Programmers enrolled in this Qt/QML course should have a functional knowledge of C++. QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android WHAT MAKES FOR GOOD ANIMATION? MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
GAMMARAY USER MANUAL GammaRay is an introspection tool for Qt applications developed by KDAB. Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you towork on a
QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open theTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
ON-SITE TRAINING. PROGRAMMING WITH QT/QML A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topic relevance. Programmers enrolled in this Qt/QML course should have a functional knowledge of C++. QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android WHAT MAKES FOR GOOD ANIMATION? MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
GAMMARAY USER MANUAL GammaRay is an introspection tool for Qt applications developed by KDAB. Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you towork on a
QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open the ABOUT US. KDAB THE QT, C++ AND OPENGL EXPERTS The KDAB Group is a leading expert provider of Qt, C++ and OpenGL consulting, development and training services. Since 1999 KDAB’s unique software expertise has helped customers to improve quality, productivity and time to market across desktop, embedded and mobile platforms. In 2019 the KDAB Group had 90+ employees across Americas,Europe
IN-DEPTH MULTITHREADING This three-day training teaches multithreading application development techniques, using the Qt/C++ object technology. Participants will gain insight into multithreading problems in general, and how they pertain to Qt programs in particular. Examples include how to offload work from the GUI thread, how to increase throughput to the maximum in your application, and optimal strategies for MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. KDAB OFFERS UNIQUE QT EXPERT SERVICES KDAB provides Qt Expert services for native and hybrid Qt applications across desktop, embedded and mobile platforms. We also develop specialized Qt tools such as GammaRay, tailored Qt Creator extensions, custom Qt SDKs – integration of 3rd party libraries and more. DEBUGGING AND PROFILING QT APPLICATIONS ON WINDOWS December 14th, 2021. 3. 9:00-16:00 CET, Berlin, Germany. Debugging and Profiling Qt applications on Linux. English. € 2000.00 (plus VAT if applicable) Confirmed. debug,english,linux,qt. Our trainings run from 9:00 to 16:00 (with a one hour window for discussion afterwards, if necessary) Check out our complete course schedule. SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance.GETTING STARTED
Overview Installation. Installing GammaRay is described here.If you are a user of the Qt Automotive Suite, you can skip this step as GammaRay comes pre-installed with your SDK in that case.. Using GammaRay. In order to start using GammaRay, familiarize yourself with its Basic Operations first. Based on your preferred workflow and user interface you can dig deeper in the following chapters:QT INPUT METHOD
To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt CompanyTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
ON-SITE TRAINING. PROGRAMMING WITH QT/QML A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topic relevance. Programmers enrolled in this Qt/QML course should have a functional knowledge of C++. QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android WHAT MAKES FOR GOOD ANIMATION? MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
GAMMARAY USER MANUAL GammaRay is an introspection tool for Qt applications developed by KDAB. Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you towork on a
QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open theTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
ON-SITE TRAINING. PROGRAMMING WITH QT/QML A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topic relevance. Programmers enrolled in this Qt/QML course should have a functional knowledge of C++. QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android device and debugging itthere.
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android WHAT MAKES FOR GOOD ANIMATION? MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
GAMMARAY USER MANUAL GammaRay is an introspection tool for Qt applications developed by KDAB. Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you towork on a
QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open the ABOUT US. KDAB THE QT, C++ AND OPENGL EXPERTS The KDAB Group is a leading expert provider of Qt, C++ and OpenGL consulting, development and training services. Since 1999 KDAB’s unique software expertise has helped customers to improve quality, productivity and time to market across desktop, embedded and mobile platforms. In 2019 the KDAB Group had 90+ employees across Americas,Europe
IN-DEPTH MULTITHREADING This three-day training teaches multithreading application development techniques, using the Qt/C++ object technology. Participants will gain insight into multithreading problems in general, and how they pertain to Qt programs in particular. Examples include how to offload work from the GUI thread, how to increase throughput to the maximum in your application, and optimal strategies for MODERNIZING LEGACY SYSTEMS Modernizing Legacy Systems. Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. KDAB OFFERS UNIQUE QT EXPERT SERVICES KDAB provides Qt Expert services for native and hybrid Qt applications across desktop, embedded and mobile platforms. We also develop specialized Qt tools such as GammaRay, tailored Qt Creator extensions, custom Qt SDKs – integration of 3rd party libraries and more. DEBUGGING AND PROFILING QT APPLICATIONS ON WINDOWS December 14th, 2021. 3. 9:00-16:00 CET, Berlin, Germany. Debugging and Profiling Qt applications on Linux. English. € 2000.00 (plus VAT if applicable) Confirmed. debug,english,linux,qt. Our trainings run from 9:00 to 16:00 (with a one hour window for discussion afterwards, if necessary) Check out our complete course schedule. SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance.GETTING STARTED
Overview Installation. Installing GammaRay is described here.If you are a user of the Qt Automotive Suite, you can skip this step as GammaRay comes pre-installed with your SDK in that case.. Using GammaRay. In order to start using GammaRay, familiarize yourself with its Basic Operations first. Based on your preferred workflow and user interface you can dig deeper in the following chapters:QT INPUT METHOD
To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input USING QT DATATYPES IN STANDARD LIBRARY UNORDERED In this post, we’ll continue our discussion regarding hashing functions, tackling a specific problem, namely, how to use a Qt datatype as a key of a Standard Library unordered associative container. The Standard Library unordered associative containers ( std::unordered_map, std::unordered_set, and so on), as well as otherthird party
QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt CompanyTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android ON-SITE TRAINING. PROGRAMMING WITH QT/QML Target audience:: Development teams targeting desktop and/or embedded and/or mobile platforms. Duration:: A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topicrelevance.
GAMMARAY USER MANUAL What is GammaRay? GammaRay is an introspection tool for Qt applications developed by KDAB.Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you to work on a much higher level, QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): Abstract: The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android deviceand
QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company ASYNCHRONOUS PROGRAMMING (AND MORE) WITH QT5 AND C++11 Asynchronous programming (and more) with Qt5 and C++11 Dario Freddi, Ispirata Qt Developer Days 2013 QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open theTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android ON-SITE TRAINING. PROGRAMMING WITH QT/QML Target audience:: Development teams targeting desktop and/or embedded and/or mobile platforms. Duration:: A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topicrelevance.
GAMMARAY USER MANUAL What is GammaRay? GammaRay is an introspection tool for Qt applications developed by KDAB.Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you to work on a much higher level, QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): Abstract: The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android deviceand
QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company ASYNCHRONOUS PROGRAMMING (AND MORE) WITH QT5 AND C++11 Asynchronous programming (and more) with Qt5 and C++11 Dario Freddi, Ispirata Qt Developer Days 2013 QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open the ABOUT US. KDAB THE QT, C++ AND OPENGL EXPERTS The KDAB Group is a leading expert provider of Qt, C++ and OpenGL consulting, development and training services. Since 1999 KDAB’s unique software expertise has helped customers to improve quality, productivity and time to market across desktop, embedded and mobileplatforms.
MODERNIZING LEGACY SYSTEMS Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. Regardless of what your current system wasQT INPUT METHOD
What is an Input Method and what do we need it for? To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In ON-SITE TRAINING. PROGRAMMING WITH QT/QML Target audience:: Development teams targeting desktop and/or embedded and/or mobile platforms. Duration:: A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topicrelevance.
IN-DEPTH MULTITHREADING This three-day training teaches multithreading application development techniques, using the Qt/C++ object technology. Participants will gain insight into multithreading problems in general, and how they pertain to Qt programs in particular. Examples include how to offload work from the GUI thread, how to increase throughput to the maximum in your application, and optimal strategies for KDAB OFFERS UNIQUE QT EXPERT SERVICES for native & hybrid Qt apps across desktop, embedded & mobile. Leaders in the Qt Project, creators of Qt 3D, Qt tools, Qt Creator extensions,custom Qt SDKs
DEBUGGING AND PROFILING QT APPLICATIONS ON WINDOWS This training gets developers up to speed with the various Qt debugging and profiling tools on Windows that help with bug fixing andperformance issues
QTWEBCHANNEL
Abstract: The new QtWebChannel module is a ready-to-use solution to make any QObject accessible to arbitrary JavaScript clients. KDAB already uses it in production for a client project on embedded devices, where it proofed to be an essential part for the HTML app framework embedded in a QML chrome. Thanks to QObject introspection,any object
GETTING STARTED
Overview Installation. Installing GammaRay is described here.If you are a user of the Qt Automotive Suite, you can skip this step as GammaRay comes pre-installed with your SDK in that case.. Using GammaRay. In order to start using GammaRay, familiarize yourself with its Basic Operations first. Based on your preferred workflow and user interface you can dig deeper in the following chapters: QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt CompanyTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
ON-SITE TRAINING. PROGRAMMING WITH QT/QML Target audience:: Development teams targeting desktop and/or embedded and/or mobile platforms. Duration:: A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topicrelevance.
QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): Abstract: The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android deviceand
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
GAMMARAY USER MANUAL What is GammaRay? GammaRay is an introspection tool for Qt applications developed by KDAB.Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you to work on a much higher level, QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company ASYNCHRONOUS PROGRAMMING (AND MORE) WITH QT5 AND C++11 Asynchronous programming (and more) with Qt5 and C++11 Dario Freddi, Ispirata Qt Developer Days 2013 QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open theTHE QT EXPERTS
KDAB - Software Experts in Qt, C++ and 3D / OpenGL. We have profund expertise in desktop and embedded software services for all kind ofindustries.
ON-SITE TRAINING. PROGRAMMING WITH QT/QML Target audience:: Development teams targeting desktop and/or embedded and/or mobile platforms. Duration:: A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topicrelevance.
QT ON ANDROID TUTORIAL Qt on Android Tutorial (please adjust volume / low sound): Abstract: The tutorial will start with instructions on how to setup the development environment, how to configure QtCreator and ensuring that all dependencies are met. It will then continue with a live demonstration on creating an app, deploying it to an Android deviceand
QT ON ANDROID: HOW TO RUN C++ CODE ON ANDROID UI THREAD I’d like to start a new series of Qt on Android articles, these will be small articles which will focus on useful features that you’ll need on Android but which don’t have any Qt API (yet). I’ll start with two pretty useful functions. These functions will help us to run C++ code directly on Android QML ENGINE INTERNALS, PART 4: CUSTOM PARSERS NEW IN QT 5.11: IMPROVEMENTS TO THE MODEL/VIEW APIS (PART 1)SEE MOREON KDAB.COM
GAMMARAY USER MANUAL What is GammaRay? GammaRay is an introspection tool for Qt applications developed by KDAB.Leveraging the QObject introspection mechanism it allows you to observe and manipulate your application at runtime. This works both locally on your workstation and remotely on an embedded target. Augmenting your instruction-level debugger, GammaRay allows you to work on a much higher level, QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company ASYNCHRONOUS PROGRAMMING (AND MORE) WITH QT5 AND C++11 Asynchronous programming (and more) with Qt5 and C++11 Dario Freddi, Ispirata Qt Developer Days 2013 QT CREATOR INTEGRATION Overview. The GammaRay Qt Creator integration plug-in allows you to interact with a target application with GammaRay conveniently from within Qt Creator. The GammaRay Client is embedded inside Qt Creator in this case, and you can directly launch, attach to or connect to target applications using the currently active project configuration. Code navigation from GammaRay will directly open the ON-SITE TRAINING. PROGRAMMING WITH QT/QML Target audience:: Development teams targeting desktop and/or embedded and/or mobile platforms. Duration:: A typical programming with Qt training lasts 3 days and includes time for core topics to establish a working knowledge of QML as well as time for in-depth topics, which vary depending on a poll we make among participants to ensure topicrelevance.
MODERNIZING LEGACY SYSTEMS Software migration is a lengthy process that sees hundreds of modules move from an obsolete framework to a much more preferable one. However, there are a number of pitfalls in a large porting effort that can significantly increase time, cost, and complexity, leading to risk of project derailment. Regardless of what your current system was SIGNAL/SLOT CONNECTION THROTTLERS Another day, another blog post about KDToolBox, KDAB’s collection of miscellaneous useful C++ classes and stuff.. Today, we’ll talk about ways to throttle your signal/slots connections — in other words, how to activate a slot less often than the emission rate of the signal it’s connected to. The usual reason why you may want something like this is performance. DEBUGGING AND PROFILING QT APPLICATIONS ON WINDOWS This training gets developers up to speed with the various Qt debugging and profiling tools on Windows that help with bug fixing andperformance issues
QT INPUT METHOD
What is an Input Method and what do we need it for? To answer that question, let’s see what Wikipedia says: “An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. InQTWEBCHANNEL
Abstract: The new QtWebChannel module is a ready-to-use solution to make any QObject accessible to arbitrary JavaScript clients. KDAB already uses it in production for a client project on embedded devices, where it proofed to be an essential part for the HTML app framework embedded in a QML chrome. Thanks to QObject introspection,any object
GETTING STARTED
Overview Installation. Installing GammaRay is described here.If you are a user of the Qt Automotive Suite, you can skip this step as GammaRay comes pre-installed with your SDK in that case.. Using GammaRay. In order to start using GammaRay, familiarize yourself with its Basic Operations first. Based on your preferred workflow and user interface you can dig deeper in the following chapters:QT 3D BASICS
KDAB | the Qt, OpenGL and C++ experts 2 describe how to translate a combination of attributes into a particular look, like how to handle glossy, matte, or transparent materials. QT LOGGING FRAMEWORK 1 Qt Logging Framework All you ever wanted to know about QDebug and friends © 2014 The Qt Company CLAZY CHECKER DESCRIPTIONS Explanation for checker connect-by-name (level0) connect-by-name. Warns when "auto-connection slots" are used. They're also known as "connect by name", a very THIS WEBSITE USES COOKIES We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of theirservices.
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