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MySQL integer field is returned as string in PHP
...rn $data;
}
Example usage:
$dbconn = mysqli_connect('localhost','user','passwd','tablename');
$rs = mysqli_query($dbconn, "SELECT * FROM Matches");
$matches = cast_query_results($rs);
// $matches is now a assoc array of rows properly casted to ints/floats/strings
...
修改centos字符集导致桌面进不去的一系列问题 - 更多技术 - 清泛网 - 专注C...
修改centos字符集导致桌面进不去的一系列问题为了使 WINDOWS–PL SQL-LINUX–ORACLE 的字符集一致怎么修改WINDOWS下的 PL SQL 字符集请参看http: user.qzone.qq.com 587...为了使 WINDOWS –PL/SQL-LINUX –ORACLE 的字符集一致
怎么修改WINDOW...
How does a debugger work?
...rface Access SDK.
If you are debugging a managed environment (.NET, Java, etc.) the process will typically look similar, but the details are different, as the virtual machine environment provides the debug API rather than the underlying OS.
...
MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
...主机名作为名字,如此一来一旦主机名发生改变,就会出问题,所以推荐指定log_bin(从服务器的relay_log存在一样的问题)。
注:sync_binlog,innodb_flush_log_at_trx_commit,innodb_support_xa三个选项都是出于安全目的设置的,不是复制的...
Setting up FTP on Amazon Cloud Server [closed]
...xample, to create the user 'bret', type:
> sudo adduser bret
> sudo passwd bret
Here's what it will look like:
Step #6: Restricting users to their home directories
At this point, your FTP users are not restricted to their home directories. That's not very secure, but we can fix it pre...
理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...经常死机,登陆到终端看了一下,都是常见的 Out of memory 问题。这通常是因为某时刻应用程序大量请求 最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉,还有位客户抱怨 VPS 经常死机,登陆到终端看了一下,都是常见的 Out of memory 问...
What does int argc, char *argv[] mean?
...sble, though eccentric, to use: char *args[] = { "cat", "/dev/null", "/etc/passwd", 0 }; execv("/bin/ls", args);. On many systems, the value seen by the program as argv[0] will be cat, even though the executable is /bin/ls.
– Jonathan Leffler
Feb 5 '16 at 3:36...
How to split one string into multiple strings separated by at least one space in bash shell?
...u probably want:
Example:
IFS=: read -ra arr < <(grep "^$USER:" /etc/passwd)
for a in "${arr[@]}"; do echo "[$a]"; done
Outputs something like:
[tino]
[x]
[1000]
[1000]
[Valentin Hilbig]
[/home/tino]
[/bin/bash]
As you can see, spaces can be preserved this way, too:
IFS=: read -ra arr <&l...
[解决]MySql提示:The server quit without updating PID file(…)失败 - 数...
...系统默认,不知道为什么不能自动扩容!以后在处理这个问题!如图所示:
[root@rekfan ~]# df
文件系统 1K-块 已用 可用 已用% 挂载点
/dev/mapper/vg_rekfan-lv_root
51606140 47734848 1249852 100% /
tmpfs ...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...time information:
for /f "tokens=1,2,3,4,5,6* delims=," %%i in ('C:\Tools\etc\date.exe +"%%y,%%m,%%d,%%H,%%M,%%S"') do set yy=%%i& set mo=%%j& set dd=%%k& set hh=%%l& set mm=%%m& set ss=%%n
Using it in a CMD script to get a timestamp in any required format:
for /f "tokens=*" ...