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SQL how to make null values come last when sorting ascending
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AFAIK NULLS FIRST and NULLS LAST have been added in SQL:2003 but there is no standard implementation available throughout the different DMBS'. Depending on the database engine, use ORDER BY expr some_column DESC NULLS LAST (Oracle) , ORDER BY ISNULL(some_column, 1), some_column AS...
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...
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
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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
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使用CSplitterWnd实现拆分窗口（多视图显示） - C/C++ - 清泛网 - 专注C/C++及内核技术
...e类中添加protected成员CSplitterWnd m_wndSplitter;
2. 建立对话框资源（IDD_FORMVIEW），并以CFormView类为基类建立相应的视类；
3. 重载OnCreateClient函数（如上述代码）。
4. 如果需要更多的划分，则再添加其他的CSplitterWnd成员变量，但在m_w...
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?
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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
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Meaning of -
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Here is a suggested reading: joelonsoftware.com/2003/10/08/…
– Sudip Bhandari
May 25 '17 at 9:53
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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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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...