The use of buttons in web design is very common, most of the time designers will use some ready-made good button, but for some web style, and can not find the right button, when we need to design a button for the site alone will find that seemingly small button design is not easy.
The most common problem with design buttons is that they're pretty, but in the Web page is very not set, so the following will be collected in a few pages of the button to show that the common characteristics of these
Create a Python development environment in Ubuntu13.10: Step 1 install JDK (to install ECLIPSEIDE) decompress the installation package and set JDK. The update-alternatives -- install option feature adds a new set of system command links. Tar-zxvfjdk-7u45-linux-x64.tar.gzsudomkdir-p/usr/lib/jvmsudomv./j
Build a Python development environment in Ubuntu 13.10:
Step 1 install JDK (to install eclipse ide)
Decompress the installation package and set JDK.
Th
/controlpanelIcon =/usr/lib/Java/JRE/plugin/desktop/sun_java.pngTerminal = 0Type = ApplicationCategories = application; settings; X-sun-supported; X-red-hat-base;
In this way, you can start the Java console through the menu...
3. Use alternatives to run all Java commands, man, and plugin.Finally, create a link for the command under JDK bin, install the plug-in for Mozilla, and create a shell file with the following content:
#! /Bin/bash
+ F7 to return to the desktop.Another point is that when you configure the environment, do not leave spaces between the Environment name and the corresponding environment path, such as JAVA_HOME =/opt/jdk1.7.0 _ 45 "=" on both sides, which should be unrecognized by bash.4. Because ubuntu comes with the JVM Implementation of gij, the following information is displayed when you type "java-version" on the terminal: java version "1.6.0. This means that the JVM implementation is already available in
ubuntu16.04 python2.7 and python3.5 are installed by default. This tutorial uses python3.5The first step: Modify the default ubuntu16.04 Python2 to use Python3 by default.sudo update-alternatives--install/usr/bin/python python/usr/bin/python2 100sudo update-alternatives--install/usr/ Bin/python Python/usr/bin/python3 150Running the above code will modify ubuntu16.04 by default using Python2 to use Python3 b
reasons, you can interrupt the operation. Then download the tar.gz package for the corresponding JDK, and put it in:/var/cache/oracle-jdk7-installer (JDK7)/var/cache/oracle-jdk8-installer (JDK8)Below, and then install the installer once. Installer will use the TAR.GZ package you downloaded by default3. Set the system default JDKJDk7sudo update-java-alternatives-s java-7-oracleJDK8sudo update-java-alternatives
1, download the installation package, CD to the directory where the filessudo dpkg-i gcc41-compat-4.1.2-ubuntu1210_i386.deb g++41-compat-4.1.2_i386.deb2. View GCC installed to the systemls/usr/bin/gcc*3.After downloading the package, it is recommended to install it directly with sudo dkpg-i *.debBecause GCC installs with each other version of support, there are very frustrating order requirements, as if the installation system will automatically arrange the order of installation, more convenient
reasons, you can interrupt the operation. Then download the tar.gz package for the corresponding JDK, and put it in:/var/cache/oracle-jdk7-installer (JDK7)/var/cache/oracle-jdk8-installer (JDK8)Below, and then install the installer once. Installer will use the TAR.GZ package you downloaded by default3. Set the system default JDKJDk7sudo update-java-alternatives-s java-7-oracleJDK8sudo update-java-alternatives
Error:kernel launches from templates is not allowed in System files 1
error detected in the compilation of "/tmp/tmp Xft_00005657_00000000-10_math_functions.cpp4.ii ".
Workaround :
g++ version is too high in Ubuntu14.04, Ubuntu15.04 is normal
sudo apt-get install gcc-4.6 g++-4.6 gcc-4.6-multilib g++-4.6-multilib
sudo update-alternatives--remove-all gcc
sudo update-alternatives--remove-all g++
sudo upda
Preparation: JBoss, JDK, a Java EE War pack, DockerfileNote: JBoss and JDK can not be prepared in advance, wget in the command, because I happen to have, directly copiedDockerfile content:#admln 20150120From ubuntu:14.04Maintainer admln RUN Mkdir/usr/jbossCOPY wildfly-8.2.0.final/usr/jboss/COPY javaeedocker.war/usr/jboss/standalone/deployments/RUN mkdir/usr/java/COPY jdk-7u71-linux-x64.tar.gz/usr/java/workdir/usr/java/RUN TAR-ZXF jdk-7u71-linux-x64.tar.gzRUN update-
= $PATH: $JAVA _home/bin:$ Classpathexport PATH
Note the path and version of the JDK
Make configuration effective
Source/etc/profileConfiguring the default JDK
Create a new Java version
Create a new system command link in the shell with the update-alternatives command:sudoUpdate-alternatives--Install/usr/bin/javac Javac/usr/lib/jvm/jdk1.7.0_79/bin/javac1171sudoUpda
The update-alternative in Ubuntu/debian is used to manage different versions of the same software in a system.For example, the system may contain the GNU Java compiler, and the Sun's Java compiler. You can use Update-alternatives to set which of these are currently used.Its principle is to create a link in the/usr/bin, point to a file in the/etc/alternatives, and some file is a link, pointing to the current
settings can be.
Ls-l--full-time/usr/java/jdk1.7.0_71 can see that the full installation time, the indication is really just installed.
[Root@localhost sss]#/usr/java/jdk1.7.0_71/bin/java-version
Java Version "1.7.0_71"
Java (TM) SE Runtime Environment (build 1.7.0_71-b14)
Java HotSpot (TM) 64-bit Server VM (build 24.71-b01, Mixedmode)
As you can see, this Java is no longer an open JDK.
Ok.
Vi/etc/profile
Add at the end of the file
Export java_home=/usr/java/jdk1.7.0_71
Exportclasspath=.: $JA
The process of compiling Android source code refer to the Android website:1, download the Android source code step: https://source.android.com/source/downloading.html2, compile the Android source code step: https://source.android.com/source/building-running.htmlHere are some of the problems I have encountered:1. JDK-related error when Compile Android Source:Error 1:target release 1.5 conflicts with default source release 1.7 Workaround: Best use JDK for 1.6.0.45 version error 2:[ Out/target/com
environment variables, not to list them one by one)Ubuntu may have a default JDK, such as openjdk. If openjdk is available, we need to perform the following work to make JDK installed by default. 3. Configure JDK software:
Code:Sudo Update-alternatives -- install/usr/bin/javac/usr/local/jdk1.6.0 _ 31/bin/javac 1071Sudo Update-alternatives -- install/usr/bin/Java/usr/local/jdk1.6.0 _ 31/bin/Java 1071Update-
of sun?
Google found that the original RedHat is far less troublesome than the win system. There is an alternative system (Alternatives System) mechanism in RedHat to abstract the locations and trademarks of different software or different versions of the same software, so as to eliminate the need to replace the environment. Update-alternatives is the implementation of this mechanism. Therefore, you can us
Finally, the complete implementation of C ++ 11 GCC 4.8.1.
Upgrade your system.
The following steps install gcc4.8.1 with content from: http://askubuntu.com/questions/312620/how-do-i-install-gcc-4-8-1-on-ubuntu-13-04
First install a software
apt-get install python-software-properties
Then
sudo add-apt-repository ppa:ubuntu-toolchain-r/testsudo apt-get updatesudo update-alternatives --remove-all gcc sudo update-al
the operation. Then download the tar.gz package for the corresponding JDK, and put it in:/var/cache/oracle-jdk7-installer (JDK7)/var/cache/oracle-jdk8-installer (JDK8)Below, and then install the installer once. Installer will use the TAR.GZ package you downloaded by default3. Set the system default JDKJDk7sudo update-java-alternatives-s java-7-oracleJDK8sudo update-java-alternatives-s java-8-oracleIf the J
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