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What is the difference between String.Empty and “” (empty string)?
...swers were correct for .NET 1.1 (look at the date of the post they linked: 2003). As of .NET 2.0 and later, there is essentially no difference. The JIT will end up referencing the same object on the heap anyhow.
According to the C# specification, section 2.4.4.5:
http://msdn.microsoft.com/en-us/l...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ket_select 选择
self::$connections[$i] = $newconn;
// 输入的连接资源缓存容器
$writefds[$i] = $newconn;
// 连接不正常
if ($reject) {
socket_write($writefds[$i], $reject);
unset($writefds[$i]);
self::close($i);
} else {
echo "Client $i come./n";
}
// remove th...
Return XML from a controller's action in as an ActionResult?
...y problematic if you develop on Windows 7 and deploy to Windows XP (Server 2003?). If you do, you need to write to a memory stream first, and then copy the memory stream to the output stream...
– Stefan Steiger
Apr 17 '13 at 9:39
...
Run batch file as a Windows service
...he Scheduled Tasks (go to Control Panel, Scheduled Tasks) running on a Win 2003 server. Works a treat...
– SAL
Apr 16 '10 at 12:01
...
BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...BLE属于无线通信，则其通信介质是一定频率范围下的频带资源（Frequency Band）；
BLE的市场定位是个体和民用，因此使用免费的ISM频段（频率范围是2.400-2.4835 GHz）；
为了同时支持多个设备，将整个频带分为40份，每份的带宽为2MH...
What is this operator in MySQL?
...n be converted to the more portable:
WHERE p.name IS NULL
Support
The SQL:2003 standard introduced a predicate for this, which works exactly like MySQL's <=> operator, in the following form:
IS [NOT] DISTINCT FROM
The following is universally supported, but is relative complex:
CASE WHEN (a...
Where does Visual Studio look for C++ header files?
...
Nice answer, but I must add, that in Visual Studio 2003, you should look at "Tools | Options | VC++ Directories" not "Tools | Options | Projects and Solutions | VC++ Directories".
– Graf
Nov 25 '10 at 18:27
...
Meaning of -
...
Here is a suggested reading: joelonsoftware.com/2003/10/08/…
– Sudip Bhandari
May 25 '17 at 9:53
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...x = 1048586
# /sbin/sysctl -p (设置参数立即生效)
9、修改系统资源限制
编辑系统资源限制配置文件 vim /etc/security/limits.conf，在该文件下添加如下行：
# vim /etc/security/limits.conf
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
...
Is there a Java API that can create rich Word documents? [closed]
...(doc) format documents. This is the default format for Word 2007, but Word 2003 and earlier users will need to install a compatibility pack.
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