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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/...
Read lines from a file into a Bash array [duplicate]
I am trying to read a file containing lines into a Bash array.
6 Answers
6
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What is the perfect counterpart in Python for “while not EOF”
To read some text file, in C or Pascal, I always use the following snippets to read the data until EOF:
7 Answers
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Commit only part of a file in Git
When I make changes to a file in Git, how can I commit only some of the changes?
23 Answers
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Using Excel OleDb to get sheet names IN SHEET ORDER
...from
/// an excel workbook.
/// </summary>
/// <param name="excelFile">The excel file.</param>
/// <returns>String[]</returns>
private String[] GetExcelSheetNames(string excelFile)
{
OleDbConnection objConn = null;
System.Data.DataTable dt = null;
try
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diff current working copy of a file with another branch's committed copy
I have a repo with file foo in the master branch. I switched to bar branch and made some changes to foo . How can I now run a git diff between this copy (which isn't committed yet) and the copy of the master branch?
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How do I restore a dump file from mysqldump?
I was given a MySQL database file that I need to restore as a database on my Windows Server 2008 machine.
17 Answers
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The Android emulator is not starting, showing “invalid command-line parameter”
...ade a simple "Hello World" program in Eclipse . I added nothing to a Java file and only added a text view in file main.xml as
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Changing .gitconfig location on Windows
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If you set HOME to c:\my_configuration_files\, then git will locate .gitconfig there. Editing environment variables is described here. You need to set the HOME variable, then re-open any cmd.exe window. Use the "set" command to verify that HOME indeed points to th...