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How to split a comma-separated value to columns
...TRING(@string, @pos, @len)
INSERT INTO @out_put ([value])
SELECT LTRIM(RTRIM(@value)) AS [column]
SET @pos = CHARINDEX(@delimiter, @string, @pos + @len) + 1
END
RETURN
END
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MySQL: Order by field size/length
...
SELECT * FROM TEST ORDER BY LENGTH(description) DESC;
The LENGTH function gives the length of string in bytes. If you want to count (multi-byte) characters, use the CHAR_LENGTH function instead:
SELECT * FROM TEST ORDER BY...
Java: notify() vs. notifyAll() all over again
...and the difference between these methods right), only one thread is always selected for further monitor acquisition.
That is not correct. o.notifyAll() wakes all of the threads that are blocked in o.wait() calls. The threads are only allowed to return from o.wait() one-by-one, but they each will...
How to use GROUP BY to concatenate strings in SQL Server?
...S (1,'B',8)
INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (2,'C',9)
SELECT
[ID],
STUFF((
SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX))
FROM #YourTable
WHERE (ID = Results.ID)
FOR XML PATH(''),TYPE).value('(./text())[1]','VARCHAR(MAX)')
,1,2,'') AS NameVa...
How do I specify a pointer to an overloaded function?
...putIterator, InputIterator, UnaryFunction );
Template deduction needs to select a type for UnaryFunction at the point of the call. But f doesn't have a specific type - it's an overloaded function, there are many fs each with different types. There is no current way for for_each to aid the template...
Remove characters from C# string
... where char.IsWhiteSpace(c) || char.IsLetterOrDigit(c)
select c
).ToArray());
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How can I reliably determine the type of a variable that is declared using var at design time?
...o resolve the type. For instance:
var items = myList.OfType<Foo>().Select(foo => foo.Bar);
The return type is IEnumerable<Bar>, but resolving this required knowing:
myList is of type that implements IEnumerable.
There is an extension method OfType<T> that applies to IEnume...
Building an MFC project for a non-Unicode character set is deprecated ...
...MBCS) 的 MFC 库 (DLL) 不再包含于 Visual Studio 中,但是可用作插件,您可以在任何装有 Visual Studio Professional、Visual Studio Premium 或 Visual Studio Ultimate 的计算机上下载和安装。(在 Visual Studio 中,必须启用 MFC。)安装需要大约 440 MB 磁...
Discuz菜单栏下面广告怎么弄? - 更多技术 - 清泛网 - 专注C/C++及内核技术
...www.discuz.net/thread-1664859-1-1.html" target="_blank">Yeswan-绑定域名插件</a></em>
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Discuz 菜单栏 广告
扩展jQuery的功能限制只能输入数字 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...通常是样板式的,因此我们可以考虑将其做成一个jQuery的插件以方便使用。
// 限制只能输入数字
$.fn.onlyNum = function () {
$(this).keypress(function (event) {
var eventObj = event || e;
var keyCode = eventObj.keyCode || eventObj.which;
...