/debian Vivid main 'sudo add-apt-repository ' deb Http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu Vivid main '#注意: Vivid is the Ubuntu15.04 version number code, if it is other, it needs to be modified accordingly.#然后, add the source authentication code:GPG--keyserver keyserver.ubuntu.com--recv dd45f6c3GPG--export--armor dd45f6c3 | sudo apt-key add-#最后, perform the installation operation.sudo apt-get updatesudo apt-get install Qgis Python-qgis qgis-plugin-grass#大功告成, go to the consol
Currently, most of our debugging scopes use Qdebug to output information for viewing, or CERR standard C + + output. In this article, we will show you using GDB to debug our scope.1) First create a basic scopeWe use our SDK to create one of the most basic scopes:This allows us to create a basic scope.2) Install Gdbsever for our mobile phoneFor some reason, our phone is not gdbserver. In order to debug, we need to install this software to be able to debug online. We start a terminal and type the
December 8, Microsoft pushed the latest WIN10 creator Update Quick Preview version 14986 system, in which Microsoft Bang brings a lot of new features and features, including Cortana Voice command extension, music features increased, full screen idle state, Windows ink experience upgrade, Chinese Input Method Editor (IME) improvements, and so on.
Ms Donna has released a specific update log, which is sorted as follows. (Please keep refreshing in real ti
Problems with SpringSpring boot features, no special place1.Spring FoundationPS: About Spring configurationPs:spring ecology2.Spring Common ConfigurationThe trend of PS:SPRING4 development is to annotate all the configurations, in fact, to inject the appropriate resourcesPs:scope is the scope of the beanPS: Do not write anything, it is a single caseAdvanced Topics for 3.SpringPS: This part is not very understanding, need to learn in depth chapter III4. Springmvc6 Spring Boot CoreThe
The main point here is to creator Ownery group permissions
When all users are required to share a file
Can only be created, cannot be modified, deleted (except server administrators)!
If you follow the above method, the result is that ordinary users can actually read only the shared file and cannot modify the deletion
But the file owner can modify the delete file!!!
Here we set up an experimental environment
Shared files a folder with document 1
Article Title: Use Ubuntu8.10 usb-creator to create LiveUSB. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
On the second day after Ubuntu 8.10 was released, both of my commonly used sources fell. It's really nice and sad.
I introduced Ubuntu 8.10 yesterday and introduced the new tool for creating a USB boot dis
Now we have added Ubuntu8.10 to create a USB boot disk tool to create LiveUSB. The software is located in "System"- gt; "System Management"- gt; "CreateaUSBstartupdisk". If you want to enable the software from the command line, its name is usb-creator. For more information, see Ubuntu8.10 hard disk installation process graphic explanation http://www.linuxidc.com/Linux/200
Now we have a new tool for creating a USB boot disk in Ubuntu 8.10 To create Liv
Creator Mode
A. Definition:
Separates the creation process and representation of a complex object so that different representations can be constructed for the same creation process.
B. Definition Analysis:
"
SetComplex objectsThe creation process and representation separation, so that different representations can be constructed for the same creation process. "We assume that an object is very complex, and many components are Pa, Pb, PC, and
I'm bored recently. I want to learn how to use mobile phone software. I don't need to say much about Android. Many people are using it. There are also a lot of Android Program Development tutorials. I have learned a lot about Java. Unfortunately, I am still using the mobile phone of the Symbian system.
Therefore, I decided to build my own Symbian mobile phone software.
Qt Nokia-related information, Baidu. I won't say much here.
Go straight to the topic. I have heard of development tools for t
The purpose is to install the RPM file generated by QT Creator on the tablet
1. The program uses images to display images normally.
2. If the program needs to use other files, you can copy the files to the specified folder on the tablet.
3. You can generate shortcuts on the desktop with icons
The above functions are implemented in sequence below
1. The program uses images to display images normally.
In QT, if the program uses images, right-click th
Install the Qt4.8.5 + Qt Creator instance in Ubuntu and ubuntuqt4.8.5Easy installation
Sudo apt-get install build-essential. Sudo apt-get install qt4-dev-tools qt4-doc qt4-qtconfig qt4-demos qtcreator
This method is not necessarily the latest version. Check the version number.
Qmake-vqtcreator-version
We can see that the installed Qt version is 4.8.7, And the Qt Creator 3.5.1 Based on Qt5.5.1Test
Cre
Install sogou input method and support for Qt Creator on Ubuntu Linux
Sogou input method is a very popular input method. This input method is not installed by default on Ubuntu. If you search online, you will find that different websites provide different methods. Some work, some do not work. Now, I will write down my experience and installation steps. Hope to help developers. The Chinese input method is also very helpful for developing Chinese applic
} 8 public Product retrieveResult() { 9 return null;10 }11 }
Product
1 class Product{2 //Anything3 }
Director
1 class Director{2 private Builder builder;3 public void Constructor(){4 builder = new ConcreteBuilder();5 builder.buildPart1();6 builder.buildPart2();7 builder.retrieveResult();8 }9 }
Design Patterns in life
'The Transformers 4 has been around for almost half a year in recent years, but they still like the first a
For details about how to create a USB flash drive Linux-general Linux technology-Linux technology and application of liveusb-creator, see the following. [I = s] This post was last edited by lee19870219
What is the purpose of liveusb-creator. I heard that it seems to be used to create a USB flash drive Linux.
But I used this FC10 to write it into a USB flash drive. The motherboard was set to "boot from o
Download Qt-opensource-windows-x86-mingw482_opengl-5.3.1.exe (http://qt-project.org/downloads) website. This executable program has encapsulated QT libraries, QT Creator for us. So we just need this one executable program just fine.Qt-opensource-windows-x86-msvc2013_64_opengl-5.3.1.exe This version, with the above version of the difference is that this version of the compiler is msvc2013, And this compiler does not have, you need to install yourself,
installer, when installed, only need to select debugging Tools for Windows, others can not install, as shown in.Close the Setup program after the installation is complete.Configuring QT CreatorRestart Qt Creator, in the settings, Build Run Kits tab, you can see kits inside the yellow exclamation point before the triangle is not, and debugger is automatically recognized.In the debugger panel, on the CDB Path tab, click the small triangle behind inser
May be a habit, I personally prefer the black theme of the environment for programming. The black theme is a little bit friendlier to the eyes and looks less low. This gives the Qtcreator black theme configuration scheme.If it is the latest version of creator3.3+, itself with a black theme scheme: Tool = = "option = =" EnvironmentConfiguration is almost like this, but the text has not changed, the following configuration text color:or in the option = = "Text Editor = =" color scheme, here to cho
May be a habit, I personally prefer the black theme of the environment for programming. The black theme is a little bit friendlier to the eyes and looks less low. This gives the Qtcreator black theme configuration scheme.If it is the latest version of creator3.3+, itself with a black theme scheme: Tool = = "option = =" EnvironmentConfiguration is almost like this, but the text has not changed, the following configuration text color:or in the option = = "Text Editor = =" color scheme, here to cho
Qt Creator commonly used quick-healthF1??????View HelpF2??? ???jumps to the function definition (andCtrl +the same effect as the left mouse button)Shift+f2?? switching between declarations and definitionsF4??? ???switch between the header file and the source fileCtrl+1??? ?? ?Welcome ModeCtrl+2??? ???edit ModeCtrl+3??? ???Debug ModeCtrl+4??? ???Project Setup ModeCtrl+5??? ???Help Mode? ??Ctrl+6??? ???Output ModeAlt+0??? ???Show or hide sidebar, edit m
Use the opencv library in QT creator (compiled successfully in Windows 7)
Compile opencv2.0
1. download and install the tdm-mingw-1.908.0-4.4.1-2. After installation, add the bin to the system path.
2. Install opencv2.0 for Windows
3. Install cmake
4. Open cmake, configure the source code and target path, and select mingw makefiles to generate the target makefile.
5. Go to the set target path and make until all libraries are generated.
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