qt project

approach is to change the environment variables, which I did not attempt to be interested in validating myself.VI/HOME/DEFONDS/.BASHRC is used to modify user environment variables and add the following information after the fileExport qtdir=/usr/local/trolltech/qt-4.8.4Export path= $QTDIR/bin: $PATHExport manpath= $QTDIR/man: $MANPATHExport ld_library_path= $QTDIR/lib: $LD _library_pathModify all user Environment variables Vi/etc/profile also add the

qt Engineering Pro File template variables (templates) template variables Tell Qmake What kind of makefile is generated for this application. Here are the options to use: App-Build an app for makefile. This is the default value, so if the template is not specified, this will be used. Lib-Create a library of makefile. Vcapp-Create a Visual Studio project file for an application. Vclib-Cr

>This tutorial focuses on using QT creator to create a small QT application for text search, which is a simplified version of the QT UI Tools text Finder example. The user interface of the application is built using QT Designer by the Qt widget, and the logic of the applicat

Reference book: "Qtcreator QuickStart", 2nd edition1. Introduction to QT Qt is a cross-platform application and UI development framework. Using QT is a one-time development of applications that can be deployed across different desktop and embedded operating systems without the need to rewrite the source code. the predecessor of

questions raised here. Objectively speaking, some questions are very profound and all of them go over the embedded system. I only have to listen. Then the engineer answered a question about Qt5 and Graphics-View. Currently, it can be said that the QWidget family of Qt is mature and will not be greatly developed, with the development of Qt5, new interface classes will emerge, such as QWindow, QSurface, and QScreen. But now (Qt5.2 is coming soon), thes

Transferred from: http://www.stardrad.com/blog/qt-5%E7%A8%8B%E5%BA%8F%E5%9C%A8windows%E4%B8%8A%E7%9A%84%E5%8F%91%E5%B8%83/http://blog.163.com/[email protected]/blog/static/1582209320132291718389/Recently made a QT program, but the release process is difficult, because QT5 has a lot of DLLs, the following two details the QT DLL dependency library, and how to query

QT Development (46)--the basis ofQT database programmingFirst,Introduction to the Qt SQL module 1. QtSQLModuleIntroductionQT provides support for SQL database through QT SQL Module , andthe API in QT SQL module is divided into three layers: drive layer,SQL interface layer, user interface layer.If you want to use Classe

signal connectiondidfinishloading: etc.).Assuming you want to do socket-based IO, I can only recommend Gcdasyncsocket. I have tried the socket programming Iquassel project for several reasons, mainly because you have to use carbon instead of cocoa. Gcdasyncsocket also has the advantage of having a very easy way to resolve network protocols in one thread to avoid clogging the UI thread.Talking about threading: You can achieve major concurrency by usin

1. obtain the latest QT creator and QT library on the official website.Official Website: http://qt.nokia.com/ 2. Install QT creatorReference installation path: D: \ QT \ qtcreator-2.4.13. Install the QT LibraryRefer to installation path: D: \

change in Qt 5 is the redefinition of the Qtgui module, which is no longer a chatty graphical interface class library, but provides a base class for GUI graphical UI components, including window System integration, event processing, OpenGL and OpenGL ES integration, 2D drawing, basic images, fonts, and text. Content.The graphics part class in the previous Qtgui module was moved to the Qtwidgets module in QT