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Step 1: Refer to the installation of QT environment and QT Creator development tools under Ubuntu Input in terminal: sudo apt-get install qt4-dev-tools qt4-doc qt4-qtconfig Qt4-demos Qt4-designer Qt ASSISTANT,QT LINGUIST,QT Creator is included in the Qt4-dev-tools (seemingly not installed automatically in Ubuntu version 11) Qt4-doc This is a help document Qt4-qtconfig qt Configuration Tool, this is install

Builder pattern (English: Builder pattern) is a design pattern, AKA: Build Mode, is an object building pattern. It can abstract the construction process of complex objects (abstract category) so that different implementations of this abstract process can construct objects of different manifestations (attributes). ----WIKIPEDIAPersonal Understanding:The builder mode can set different properties or behaviors to create objects that are not the same. For example, the production of automobiles, if th

Through the use of Qt Creator, we can quickly design the interface with designer (interface designer).This example UI content is as follows (simply adding a button):The code directory structure of the project is as follows:Eventually a UI file is generated in the directory where the project is located:This UI file is actually an XML file:when we compile QT program code, QT Creator uses the UIC tool to conve

More use of shortcut keys can significantly improve productivity, minimize the keyboard, the mouse to switch between the wasted time. I am here to list the Qt Creator shortcut keys that I think are important to master. See how many you know?. 1. CTRL (Press and hold) + TAB to quickly toggle open files . 2. Quick Add method Entity (. cpp) Declaration, Move the cursor to the method declaration in the H file. Press Alt (pres

In Windows, debugging problems may occur when QT creator is used for development. How can I perform one-step debugging in QT creator?The development process in vs is a little different. In QT creatordang, msvcis compiled and used, but cdb.exe is used.Because cdb.exe is part of debugging tools for Windows, you need to download microsoft's debugging tool. : Http://msdn.microsoft.com/en-us/windows/hardware/gg4

There seem to be many posts that output Hello World on the network, but the dark Console window is used in QT creator to createProgramIt should be rare. After all, QT is good at Gui programming. Today, we will use QT Creator as an IDE line to try the dark console programming method, this method is not much different from the IDE console method such as vs2008/2010 (on the interface ). 1. Di

Win7 + Creator 2.0.0 + protobufjs 6.8.81. Download and install ProtobufjsInstall -G protobufjsYou can see that PROTOBUFJS is installed in C:\Users\Administrator\AppData\Roaming\npm\node_modules\protobufjs2. Locate the Protobuf.js file in Protobufjs\dist and drag and drop it into the creator as a plugin (note that it must be selected as a plug-in, and four options must be checked, otherwise it will be an err

Yesterday the Linux system collapsed and today the Linux system (Ubuntu16.04) was installed. After the QT creator was installed, a simple C + + project was created to test whether the installation was correct and the project defaults to output "Hello world." ", run through, normal output. But there was a warning in debug (though it could also output "Hello world". "): Debugging Starts " warning:GDB:Failed to set controlling Terminal: ..... Search the

-click Properties | Details to view both version numbers, delete/rename older versions, or reset the path variable.Unexpectedly, the root of the solution is the third step, after removing the old version of Cvtres.exe, you do not need to set the configuration every time.VS2010 's embedded manifest file may make everyone very mad, in fact, every time I myself is manual 1th, 2 steps, but the recent QT Creatror can not be used, hintQt Creator error:lnk11

The first is a research, exchange and sharing work place created by the creators for their interests and partners. After entering the country and in the Prime minister's call for "public entrepreneurship, innovation", we vigorously develop market-oriented, professional, integrated and networked "public space".The business model and operation mode of the creator space itself is also worth exploring and groping.such as: Everyone Angel

The ZTE Creator competition is the company's innovative proposal project selection activities, will provide more than 60 teams of participants with comprehensive training. First of all, please invest in the big coffee Mr. Henlin, for everyone to explain his "ten steps of Entrepreneurship."Training time: July 13, 14:30-16:30, main venue Shenzhen research and development building 2-4 meeting RoomMr Henlin points out that 12,000 new companies are added e

650) this.width=650; "src=" Http://img.mp.itc.cn/upload/20160707/036863663f164eff913055a165bed4b9_th.jpg "style=" border:0px;margin:0px;padding:0px;font-size:0px; "alt=" 036863663f164eff913055a165bed4b9_th.jpg "/>We are in the Internet age where everyone is a product manager, everyone is a programmer, and program development is an important skill because it allows programmers to explore and experience the digital world as a whole. Since any domain is more or less related to computer computing pr

I have nothing to worry about today. I decided to upgrade the QT creator version that I have been using to see if I can find some surprises in the new version; The update is still fast, and the new version has been installed in a few minutes. The first "surprise" found by enabling QT creator is that it is very slow to start, compared with the previous version, the size of the installation file does not inc

During Qt Creator Compilation: cannot open file 'debug \. exe 'File not found When you use Qt Creator to compile a project, the error shown in the question appears. The red part is the project name. In the Build column of Qt Creator, click clean all and clean project "QtGuiEx", and then compile the program. This error still occurs. In the project directo

Ubuntu 9.10 was officially released last Thursday. I waited for this for a whole day until Beijing time. After downloading it for the first time, we installed the desktop and NBR versions in the Virtual Machine respectively. It feels good. Today we officially installed it on the actual computer. The result is a problem at the beginning. Because it was previously installed with an engraved disc, I am going to try to install it with a USB flash disk today, so I use the USB-

How to add dependencies in the QT library of QT creator Write by nine days Yan Ling (jtianling) -- blog.csdn.net/vagrxie Discuss newsgroups and documents Here, QT creator is really not a good product. When creating a project, you can use the GUI to select the QT module that you need to depend on, in this way, you can simply include the header file name, but if you do not select the header file, you need to

Install QT Creator on weekends, Download qt-sdk-linux-x86-opensource-2010.05.1.bin First install GCC g ++ Yum-y install gcc Yum-y install gcc-C ++ During installation Run yum. The system prompts existing lock/var/run/yum. PID: Another copy is running as PID 3046. Problem analysis: the main cause is that Yum is automatically updated, so this error will be reported when you run Yum again. Solution: you only need to disable the yum update that is being

December 8 News, Microsoft just for fast-track users began to push WIN10 creator update system build 14986, currently for WINDOWS10 PC devices, the system brings a series of absolute substantive updates, including Microsoft Natalie Voice Command shutdown, adjust the volume, etc. There are also bug fixes, and so on, let's look at the details. If the WIN10 Quick Preview user has not yet checked the update, the small set recommends that you check th

Cool Disk The creator of the shared folder has the highest permissions for the shared folder, and if the creator has kicked the user out of the shared group and has chosen not to allow copies of the folder, the user's shared folder will be permanently deleted and cannot be recovered from the file recovery system. Similarly, when the creator dismisses this shared

Qt is very interested recently, borrowed a few books to look at, and then downloaded from the Internet related source code to run it, behold, after opening the project compile-time prompts An error occurred while building project EXPER3 (target: Desktop) When you perform the build step ' qmake ' Search the Internet to find a solution, a netizen said that the compilation environment is not correct, to delete the *.pro.user file, and then restart the QT Creato