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三个退出程序消息：WM_CLOSE、WM_DESTROY、WM_QUIT区别 - C/C++ - 清泛网 -...
...消息循环终止，然后程序结束。
3、退出程序语句
exit(0);
postquitmessage(0);
onok();oncancel();
sendmessage(wm_close,0,0);
exitprocess(0);
其中以exit(0)最为迅速，在实践方面
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
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edited Feb 11 '09 at 12:07
community wiki
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Visual Studio replace tab with 4 spaces?
Is there a way to set TAB button to work as 4 spaces in Visual Studio 2010 instead of going to Edit->Advanced->Untabify Selected Lines?
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How to find current transaction level?
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Run this:
SELECT CASE transaction_isolation_level
WHEN 0 THEN 'Unspecified'
WHEN 1 THEN 'ReadUncommitted'
WHEN 2 THEN 'ReadCommitted'
WHEN 3 THEN 'Repeatable'
WHEN 4 THEN 'Serializable'
WHEN 5 THEN 'Snapshot' END AS TRANSACTION_ISOLATION_LEVEL
FROM sys.dm_exec_sessions
whe...
Difference between $(document.body) and $('body')
...venemajvenema
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Member initialization while using delegated constructor
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edited Aug 30 '12 at 5:34
answered Aug 30 '12 at 4:55
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SQL Server IIF vs CASE
...ently came to know about the availability of IIF function in SQL Server 2012. I always use nested CASE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query.
I mostly use nested CASE in my queries.
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Wait for all promises to resolve
...ergiBergi
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2
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Efficient paging in SQLite with millions of records
... *
FROM MyTable
WHERE SomeColumn > LastValue
ORDER BY SomeColumn
LIMIT 100;
(This is explained with more detail on the SQLite wiki.)
When you have multiple sort columns (and SQLite 3.15 or later), you can use a row value comparison for this:
SELECT *
FROM MyTable
WHERE (SomeColumn, OtherColum...
How to save a data.frame in R?
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Sacha EpskampSacha Epskamp
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