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Javascript/jQuery: Set Values (Selection) in a multiple Select
I have a multiple select:
8 Answers
8
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PostgreSQL Crosstab Query
... - not fit for missing attributes
crosstab(text) with 1 input parameter:
SELECT *
FROM crosstab(
'SELECT section, status, ct
FROM tbl
ORDER BY 1,2' -- needs to be "ORDER BY 1,2" here
) AS ct ("Section" text, "Active" int, "Inactive" int);
Returns:
Section | Active | Inacti...
Using LIMIT within GROUP BY to get N results per group?
...to get all years into a single column, grouped by id and ordered by rate:
SELECT id, GROUP_CONCAT(year ORDER BY rate DESC) grouped_year
FROM yourtable
GROUP BY id
Result:
-----------------------------------------------------------
| ID | GROUPED_YEAR |...
Use variable with TOP in select statement in SQL Server without making it dynamic [duplicate]
...es, in SQL Server 2005 it's possible to use a variable in the top clause.
select top (@top) * from tablename
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c++ 代码调用nsis安装包实现静默安装 - 脚本技术 - 清泛IT社区，为创新赋能！
TCHAR szCurPath[MAX_PATH] = {0};
GetCurrentDirectory(MAX_PATH, szCurPath);
TCHAR szFile[MAX_PATH] = {0};
_stprintf_s(szFile, MAX_PATH, _T("%s\\setup.exe"), szCurPath);
CString szPath = szFile;
CString szCmdline = _T("");
CString szWorking;
szWorking = szPath.Mid( 0, szPath.Reve...
c++ 代码提升权限，请求管理员身份运行权限 - 脚本技术 - 清泛IT社区，为创...
普通的启动一个程序使用CreateProcess函数，有时会遇到权限不足失败的情况，那么如何提升执行权限呢？
使用 ShellExecuteEx 函数：
// ------提升权限------
// Initialize the structure.
&...
Async Procedures 拓展：异步任务拓展，异步处理耗时任务 - App Inventor 2...
Async ProcAsync Proc is an Extension which you can use to run a Procedure asynchronously. You no longer have to wait for a loop to finish and don’t worry about your app Crashing due to Android System thinking that your app crashed while doing intense processes.BLOCKS:EVENTS :
[color=var(--tertiar...
Async Image Loader Extension：异步图像加载器扩展 - App Inventor 2 拓展...
[size=15.008px][color=var(--tertiary)][color=var(--secondary)][color=var(--secondary-high)]512×512 8.95 KB
AsyncImage
An extension for MIT App Inventor 2.
Simple asynchronous image loader extension to load image asynchronously in an image or arrangement component with circular image. Thi...
Preventing an image from being draggable or selectable without using JS
Does anyone know of a way to make an image not draggable and not selectable -- at the same time -- in Firefox, without resorting to Javascript? Seems trivial, but here's the issue:
...
Is there any difference between GROUP BY and DISTINCT
...CT and distinct by UNION cause an oracle error, but GROUP BY worked; I was selecting only 1 column from a view and not using any aggregation; I'm still baffled why it required it, but it does confirm there is some difference in the execution. As others point out, it also lets you GROUP BY columns no...