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Why specify @charset “UTF-8”; in your CSS file?
I've been seeing this instruction as the very first line of numerous CSS files that have been turned over to me:
4 Answers
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What is the difference between tar and zip? [closed]
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tar in itself just bundles files together (the result is called a tarball), while zip applies compression as well.
Usually you use gzip along with tar to compress the resulting tarball, thus achieving similar results as with zip.
For reasonably large a...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
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if ....; then
....
elif ....; then
....
else
....
fi
[ -f "somefile" ] ：判断是否是一个文件
[ -x "/bin/ls" ] ：判断/bin/ls是否存在并有可执行权限
[ -n "$var" ] ：判断$var变量是否有值
[ "$a" = "$b" ] ：判断$a和$b是否相等
-r file 用户...
php动态安装mysql扩展错误（ext/mysqlnd/mysqlnd.h: No such file or direc...
php动态安装mysql扩展错误（ext/mysqlnd/mysqlnd.h: No such file or directory）错误如下：In file included from data xingzheng install php-5.5.10 include php Zend zend_compile.h:719, from ...错误如下：
In file included from /data/xingzheng/install/php-5.5.10/include/php/...
IntelliJ inspection gives “Cannot resolve symbol” but still compiles code
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First of all you should try File | Invalidate Caches and if it doesn't help, delete IDEA system directory. Then re-import the Maven project and see if it helps.
In some weird cases compiled classes may report wrong info and confuse IDEA. Verify that th...
How do you beta test an iphone app?
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Creating ad-hoc distribution profiles
The instructions that Apple provides are here, but here is how I created a general provisioning profile that will work with multiple apps, and added a beta tester.
My setup:
Xcode 3.2.1
iPhone SDK 3.1.3
Before you...
What are .NET Assemblies?
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@KimJongWoo - No, a Jar file is just a zip file that contains compiled bytecode files. An assembly is a PE (Portable Executable format) File (ie a DLL or EXE), but conceptually they serve similar purposes.
– Erik Funkenbusch
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Why should the Gradle Wrapper be committed to VCS?
...tional step.
If all you had was a gradle version number in a build.gradle file, you would need a README explaining everyone that gradle version X must be downloaded from URL Y and installed, and you would have to do it every time the version is incremented.
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How do I associate a Vagrant project directory with an existing VirtualBox VM?
...works for Vagrant 1.0.x but not Vagrant 1.1+.
Vagrant uses the ".vagrant" file in the same directory as your "Vagrantfile" to track the UUID of your VM. This file will not exist if a VM does not exist. The format of the file is JSON. It looks like this if a single VM exists:
{
"active":{
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What does “@@ -1 +1 @@” mean in Git's diff output?
...ut format starts with a two-line header, which looks like this:
--- from-file from-file-modification-time
+++ to-file to-file-modification-time
The time stamp looks like 2002-02-21 23:30:39.942229878 -0800 to indicate the date, time with fractional seconds, and time zone. The fractional seco...