application development with qt creator

Yiu DongLinks: http://www.zhihu.com/question/21359230/answer/20127715Source: KnowCopyright belongs to the author, please contact the author for authorization.YY Voice from the 4.0 version is based on the QT framework development, and I am the technical leader of this project.Decide whether to adopt a framework before the first to determine if there is a publishing problem, after all, yy voice as a service t

The tool itself was developed by QT, supported by Windows and Linux, and open source, and believed to be available on other platforms.I tried it, although there was no drop-down hint like Qt creator, but it was grammatically correct. Have the ability to modify the source code, so that it with the prompt function, convenient for the vast number of developers.Its h

People who have done project development with QT have certainly used template container classes such as Qlist, Qvector, and qlinklist, although they have different names, but use them in roughly the same way, because they are used in roughly the same way, and many people may take a container class to use, But it is not known that this choice is not optimal, this is not a performance-critical

Qt is a cross-platform C + + graphical user Interface application Development framework developed by QT Company in 1991. It can either develop GUI programs or be used to develop non-GUI programs, such as console tools and servers. Let's start by simply using QT to develop a

Compilation environment and development process There are two kinds of IDE that can be used to develop QT, one is to use the VS + qt plugin, the other is to use the Qtcreator tool. The former is Microsoft's tools, with more easy to use, the disadvantage is that the signal slot support is not very good, need to hand-written, not automatically generated, there may

Create a new GUI project, QT4 for Qt4 GUI application,qt5 for Qt Widgets application, base class Select QmainwindowProject implementation features: Two buttons, one for selecting a picture in a folder and previewing a picture, a button to invert the picture. The project code is as follows:. Pro code snippet, the code for adding OpenCV header files and library fun

Quick development of QT applications under Ubuntu14.04, ubuntu14.04qt Find: demonstrate how to quickly develop QT applications. 1. Install the Qt Integration Environment in Ubuntu Sudo apt-get install qt4-dev-tools qt4-doc qt4-qtconfig qt4-demos 2. Compile a simple Qt Progr

1. Install QT2. Installing the JDKConfigure the following system environment variables: Java_home D:\Java\jdk Path %java_home%\bin;%java_home%\jre\bin CLASSPATH .; %java_home%\lib;%java_home%\lib\tools.jar On the command line, enter the following command to see if the installation was successful: java-version Java Javac 3. Install the Android SDK If the package does not refresh, open Directory C:\WINDO

Label:One: QT network development Qnetworkaccessmanager (http://m.blog.csdn.net/blog/u010002704/41355917) An application, a qnetworkaccessmanager is enough. Every reply qnetworkreply need to delete, otherwise there will be a memory leak, according to the QT Help document, in the slot after receiving data to use Deletel

Calcbackproject function is used to calculate the corresponding inverse projection probability image on the input image using the histogram, that is, the input image is a normal single channel or three channel image, the output is the input image into a probability distribution image, the converted medium is the input histogram parameter, The principle is to map each pixel value in the input image to the corresponding range of the histogram, and then project the corresponding histogram value in

1.1.API mode 1.1.1.Development Stepsgoal : use MyBatis to query All records of the T_person table from the database. MyBatis can also use the direct API To configure mappings between records in a database and Java objects, as well as various other required configurations. You no longer need to use any XML configuration file at this time. Because the API is used to establish a mapping relationship,theMapper interface does not need to add any annotatio

C # development portal and application (18)-member management for enterprise address book management and development, In the previous article, the C # development portal and application (17)-Address Book Management and Development

C # development portal and application (17)-department management for enterprise address book management and development, In the previous article, I wrote some basic information about the enterprise number and introduced how to configure the callback method of the enterprise number to build a bridge for communication with the enterprise number server. This articl

In implementing Hello World on MeeGo handset 1.1 SDK, we further discuss how to use the ssh client to interact with the hanset runtime simulator: Use QT Creator as the development environment and run on the simulator (target. How to run on a local window through the SSH command line (host performance is much better than simulator) How to use the set Environme

C # development portal and application (18)-member management for enterprise address book management and development1. For the convenience of Member creation, we can create a department organizational structure, which is the premise of development, because our address book management is also based on an organizational unit, as described in the previous article, t

) plus breakpoint. 2) with GDB, GDB has the arm side and Linux side, so we can achieve remote debugging. This can also be used to analyze the program to verify that it is correct.Reference: Installation of the http://my.oschina.net/gzhuo/blog/323434 arm-linux gdb debugging Toolhttp://www.cnblogs.com/hankers/archive/2012/12/07/2806836.html GDB Debugging the use of some commands About application developmen