qt dvr

The year may almost passed, and the students started school. I think the campus will be a lot more lively, and the CSDN will also be a bit lively. The Mid-Autumn Festival has passed, and there are still many unfinished moon cakes around you. Therefore, you can eat them as breakfast every morning, hoping they will not be wasted. This month has many things and is very busy, so it is so late that I can take the time to write an article. This time I introduced Qt's support for OpenGL. I attended the

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

All rights reserved Foruok. Please specify the source (Http://blog.csdn.net/foruok) If you wish to reprint. Assuming that you performed the Qt on Android app on the target Android device, you might want to see the log information for the program output. There are ADB tools in the Android SDK, and when you are connected to a target device, you can use ADB logcat to view the log of the app output on your Android device.Let's introduce the use of ADB too

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

As mentioned above, the Qt container class provides two traversal devices: Java and STL. The former is relatively easy to use, while the latter can be used in some algorithms with powerful functions. For each container class, there is a corresponding traversal: Read-only traversal and read/write traversal. The read-only traversal tool has three types: QVectorIterator 650) this. width = 650; "onclick = 'window. open (" http://blog.51cto.com/viewpic.php

long time no update (in fact, big do not have to constantly update it), has been using Qt4, recently thought to turn to QT5, Msys2 is self-brought QT, but the tool chain will often update, rely on more, easy to be convenient, did the last set of QT tool Update, title, Qt-4.8.7 as the QT4 version of the bottom of the press, using gcc-6.2.0 recompile , only 32-bit

Respect Original Works and translations. For reprinting, please maintain the integrity of the article and provide the original author's address in the form of a hyperlink http://blog.csdn.net/changsheng230, so that you can easily ask and correct it. Friends who are new to Qt may feel mysterious and unfamiliar with the various macros that need to be declared during Qt usage. This article will introduce seve

This experience is mainly the author of the development of the QT program in the development of the problems encountered, and now share to everyone, mainly in QT embedded like resource files.Please leave a message if you have any questions.Tools/Materials Qt Designer Qt Open Source 4.8.5 Method/Step

A small record of qt Learning (2), qt Learning Record Well... This time I received a ticket A graphical interface is required. You can just consolidate and learn QT. I took it without hesitation. The following issues are recorded:1. QWidget and QDialog The slot functions in QDialog include accept () and reject (), which can be directly used. In addition, the QDia

QT adds the program icon and window icon, and qt adds the icon windowProgram icon material preparation Icon file: *. ico file, which is stored in the same directory as the source file, for example, "myapp. ico" 　　　　Write icon Write "RC_ICONS = *. ico" into an independent row in the *. pro file, such as RC_ICONS = "myapp. ico" 　　　　　Generate a program Run the program to view the software with icons under the

Let's use an example to explain the application of the stylesheet. This example is based on the QT Demo, more complex, there is a certain degree of difficulty, basically covers the previous chapters of the various skill points, mainly including: How to customize the style sheet for QT How to apply a style sheet in an application How to set the style of an application without using a style sheet How to use a

Tags: ODBC change batch rollback CString set password SQL command moveqt-win-commercial-src-4.3.1, qt-x11-commercial-src-4.3.1Microsoft Visual C + + 6.0, KDevelop 3.5.0Windows Xp, Solaris 10, Fedora 8SQL Server, Oracle 10g Client , driver compilationThere are two database drivers to be mentioned here, namely ODBC and OCI The ODBC driver is compiled in the Windows operating system:Execute the following command to generate Qsqlodbc4.dll under the%qtdir

Play with Qt (1) and play with Qt ( Recently I have been reading some things about the game engine. I have several small game ideas. In fact, the implementation is quite troublesome. I want to find a game engine to see if it can be coded. A lot of 2D engines were found after the revolution, among which the domestic cocos2dx seems to be widely used, but many people disagree with this. As a result, I decided

Obj-c in the eyes of qt/c++ developersFor the first time we defined iOS apps, I had to learn objective-c related grammar and knowledge for developers from Qt/c++.To make it easier for readers to understand the content of this blog, I'll describe a lot of what I've learned. This will be many other brain dumps rather than a single tutorialSo I still hope it will be very helpful for you, I will first write the

BrieflyIn debugging the program, sometimes need to debug into Qt source code, which not only helps us understand the internal implementation mechanism, but also to solve some hidden problems are very helpful.All know F11 is "single Step into", but in the process of debugging, press F11 but can not enter. Some people say that the need to statically compile Qt can, in fact, just need a few simple configuratio

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: \

Copyright Notice This article is an original work. Please respect the work achievements of the author. Repost must maintain the integrity of the article and indicate the original author in the form of a hyperlink" Tingsking18 And Main Site Address. Qt source code parsing (1) Qt creates window programs, message loops, and winmain Functions Qt source code a

Continue to talk about Qt's standard dialog box, this time talking about Qcolordialog. This is the Color selection dialog box provided by QT. Using Qcolordialog is also very simple, QT provides the GetColor () function, similar to the Qfiledialog GetOpenFileName (), can directly obtain the selected color. Let's use the previous qaction to test this function: QColor　color　=　QColorDialog::getColor(

One, multi-core compilationEnvironment: WIN10, Qt 5.4.1, compiler mingw32Project: Qt for AndroidQt Creator does not support precompilation when compiling Android projects, the default CPU single-core compilation, the project is slightly larger, resulting in a very slow compilation process, affecting efficiency.However, Qt creator comes with a multi-core compiler