Creation and calling of Qt shared library (Dynamic Link Library) and static Link Library, and qt static Link Library
Qt Creator compiler, win7 64-bit System Environment
1. Create a shared library:
Create a file or project-> select Library and c ++ Library-> select shared Library-> next (Project name: sharedlib)
Generated directory structure:
Modify the code in
Solution for configuring OpenCV library in qt of Fedora14 and failing to start terminal simulator 'xtermin' in qt: 1 in Fedora14 (Linux, gedit/usr/share/qt4/mkspecs/default/qmake. the conf file contains the following two sentences: QMAKE_INCDIR =/usr/include/opencvQMAKE_LIBS =-lcvaux
In februa 14, qt configures the OpenCV library and
Let's talk about the method of calling the QT Dynamic link library, mainly including:1, explicit link DLL, call DLL global function, using QT Qlibrary method2. Show link DLL, call DLL class object, member function. (A call to a class member function can be implemented through an object)① uses the method of virtual function table, which is also the method used by COM, using QT's qlibrary technology call;② is
[Qt Summary] Final Summary, qt Summary Final
1. content about Qt applications:
Refer to the previous article: [Qt Summary] terminal remote client upgrade
2. Upgrading files is a processing method in hex format: for files in hex format, If You Want To directly read the files, you need to: 1. Read data 2. Find the requi
This article original in www.yafeilinux.com reprint please indicate the source.Now let's implement the picture on the window and learn how to pan, zoom, rotate, and twist the picture. Here we use the Qpixmap class to implement the image display.First, the use of qpixmap display pictures.1. Make a copy backup of the previous project folder, and here we rename the project folder to Painter05. (as I've said before, it's a good habit to back up the engineering catalog often.)2. Create a new folder i
Tags: arc base experience creat DDD database technology sharing include cannotFollowing the continuation of the previous article:The previous article said, "finally write a demo of my SQL Project discovery can run successfully, but could not find the database file created reason to find"Note that the corresponding code for the above problem is as follows:#include The cause of the problem is:Query.exec ("CREATE TABLE student (ID primariy key, name varchar (20))");This line of code is now correct
1. Download and install QT
Go to the QT website (http://trolltech.com/developer/downloads/qt overview, download qt-win-opensource-4.3.2-mingw.exe directly, install it. This version has integrated the compilation environment mingw (Note: Only the compiling environment does not include IDE, and eclipse is the real IDE).
Looking for a long time on the internet, everyone mentions a QT global Gellicoux (qxtglobalshortcut), which supports cross-platform. In this article, I will only show the settings for the global hotkey under the Windows platform.The method provided here is to complete the API encapsulation of Windows in Myglobalshortcut and use it in main.cpp.Directly on the code:Mywineventfilter class:Class Mywineventfilter:p ublic qabstractnativeeventfilter{PublicMy
QT 5 Introduction qt 5 Overviewin this version of QT 5, QT Quick became the heart of Qt. But QT 5 also continues to provide powerful local C + + capabilities to achieve a better user experience, as well as full support for Opengl/
Qcustomplot-Ultra-compact QT drawing Controls 2016-10-22 16:03:25| Category: QT|Official website: http://www.qcustomplot.com/1.0:http://download.csdn.net/detail/czyt1988/5986701Download Lofter my photo book |Qcustomplot Super Ultra-small QT Drawing Control, very beautiful, very easy to use, only need to add a qcustomplot.h and qcustomplot.cpp can be used, far mor
I need to study qt recently because of my work. Objectively speaking, as a cross-platform code framework, qt is still good. I won't repeat it if there are a lot of articles on the Internet that boast qt. However, qt is really not cute, probably because there are too few people. qt
After some tangle, I still think swing is too much .. Continue QT
However, QT does not seem to be covered either. It takes a long time to configure the environment ..
Output Hello QT first this time!
However, the box after running is too small. Although you can enlarge it by yourself, you do not know if you can call it during initialization? Come on ..
The
Im servers are being developed recently and require high-concurrency connections. Qt uses the select model by default. This round robin mode is very slow. For highly concurrent connections, we need epoll to take advantage of the performance of the Linux server. in addition, it is easy to use, and the entire server code architecture does not need to be modified. You can set the QT distribution event, as long
Download and install the qt sdk. The IDE looks very good. Select the Vim (dark) style and it is suitable for long-term reading.
[1. Hello word]
// Create the qt gui Program # include
[2. Embed HTML to draw color text]
# Include
[3.advantages and disadvantages of QT creator]
After using QT Creator for a short per
Set the single startup method of the program in QT:
1. Copy the qtsingleapplication directory to the source code directory of the project and add the file to the code.
2. Add the QT-connected Library to the Pro file.
Qt + = Network
3. Code in the main function
# Include
Qtsingleapplication app (argc, argv );
If (App. isrunning ()){App. sendmes
Qt Introductory Learning--QT 5 How to use the Help documentLearning graphic interface development, is certainly inseparable from the use of help documents, because it does not like C language as a few function interfaces, graphics interface can be used to describe the interface, the common we may be able to remember, the other really do not need to remember, use what to help document viewing usage.We use
These two days in summing up some of the previous problems encountered in project, just do not have a colleague asked me about Qt in the various widget window position is how to define, here is summed up:In Qt, all problems are divided into two different situations: one is the most commonly used qwidget system, and the other is the Qgraphicswidget system.①: In the commonly used qwidget system, the position
Today I want to use LUA for data manipulation in QTIt turns out that there are fewer articles using LUA in Qt, though it's simple, but it's written to provide a primer, by the way, to recordI'm using the QT Creator 3.4.2, with the mingw4.9.2 compiler.The LUA version I downloaded on the LUA website is 5.3.1First, in the QT to compile Lua, get. A and DLL these two
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.