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C#: how to get first char of a string?
Can the first char of a string be retrieved by doing the following?
13 Answers
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How do I remove a single breakpoint with GDB?
I can add a break point in GDB with:
4 Answers
4
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Delete terminal history in Linux [closed]
When you use the up key in a Linux terminal, you can use previous commands again. Great feature. However, I started logging mysql into mysql with the sensitive details in the command.
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Javascript. Assign array values to multiple variables? [duplicate]
this code works perfectly in Firefox resulting a=1, b=2 and c=3,
but it doesn't work in Chrome. Is it a Chrome bug or
it is not valid javascript code? (I failed to find it in javascript references)
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Conditionally Remove Dataframe Rows with R [duplicate]
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Count number of files within a directory in Linux? [closed]
To count the number of files in a directory, I typically use
1 Answer
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NSIS做的安装程序，可接受命令行参数，实现静默安装，静默卸载 - 脚本技术 ...
...。
更多请参考英文资料：Generated installers and uninstallers accept a few options on the command line. These options give the user a bit more control over the installation process.3.2.1 Common Options/NCRC disables the CRC check, unless CRCCheck force was used in the script./S runs the i...
PHP连接MySQL报错：Fatal error: Call to undefined function mysql_connec...
...问题描述】
PHP测试连接MySQL的程序如下：
<?php
$host='localhost';
$user_name='root';
$password='mysql';
$conn=mysql_connect($host,$user_name,$password);
if (!$conn)
{
die('数据库连接失败：'.mysql_error());
}
echo '数据库连接成功！';
if (mysql_close($...
Java switch statement: Constant expression required, but it IS constant
So, I am working on this class that has a few static constants:
13 Answers
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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...g if there are any advantages of using any of these over the other, and which way should I go?
3 Answers
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