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What is event bubbling and capturing?
... answered May 14 '15 at 8:51
gm2008gm2008
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Is having an 'OR' in an INNER JOIN condition a bad idea?
...several minutes on two tables with only ~50,000 rows each, on SQL Server 2008 if it matters), I narrowed down the problem to an OR in my inner join, as in:
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Fetch the row which has the Max value for a column
...lues ('B','01-JAN-2009');
SQL> insert into mytable values ('A', '31-DEC-2008');
SQL> insert into mytable values ('B', '31-DEC-2008');
SQL> select usr, dt from mytable
2 where (usr, dt) in
3 ( select usr, max(dt) from mytable group by usr)
4 /
U DT
- ---------
A 01-JAN-09
B 01-JAN...
Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...去做，至于缩进、换行、注释等，可以在经常使用的ide上安装相关格式化插件）
是否涉及动态资源
是否有申请动态内存，文件描述符等，执行完是否有正确释放？指针等操作是否规范？
性能如何
是否有一些执行耗时...
Enable 'xp_cmdshell' SQL Server
...this relies on SQL Server version 2005 or later (original question was for 2008).
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Removing the remembered login and password list in SQL Server Management Studio
... Server Management Studio\11.0\SqlStudio.bin
SQL Server Management Studio 2008 delete the file C:\Users\%username%\AppData\Roaming\Microsoft\Microsoft SQL Server\100\Tools\Shell\SqlStudio.bin
SQL Server Management Studio 2005 delete the file – same as above answer but the Vista path.
C:\Users\%...
Is there an alternative sleep function in C to milliseconds?
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Alternatively to usleep(), which is not defined in POSIX 2008 (though it was defined up to POSIX 2004, and it is evidently available on Linux and other platforms with a history of POSIX compliance), the POSIX 2008 standard defines nanosleep():
nanosleep - high resolution sleep
#in...
What is the proper #include for the function 'sleep()'?
....1-2001 declares this function obsolete; use nanosleep(2) instead. POSIX.1-2008 removes the specification of usleep()." linux.die.net/man/3/usleep
– Jetski S-type
Jun 6 '18 at 8:03
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PowerShell says “execution of scripts is disabled on this system.”
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If you're using Windows Server 2008 R2 then there is an x64 and x86 version of PowerShell both of which have to have their execution policies set. Did you set the execution policy on both hosts?
As an Administrator, you can set the execution policy by typ...
DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”
...dows Server 2012 and Windows 8 KB3088957 – Windows 7 SP1, Windows Server 2008 SP2, Windows Server 2008 R2 SP1, and Windows Vista SP2 Trying to link to the blog again, this time though archive.org: web.archive.org/web/20161030193739/http://www.heikniemi.net/…
– Håkon Selj...