大约有 3,600 项符合查询结果（耗时：0.0216秒） [XML]
Cache busting via params
...ame itself." The full explanation can be found here: stevesouders.com/blog/2008/08/23/…
– lao
Feb 18 '16 at 13:48
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“No backupset selected to be restored” SQL Server 2012
...nstalled from birth named SQLEXPRESS. When trying to restore my SQL Server 2008 R2 backed up database in SSMS 2012 to the SQLEXPRESS instance, the list of backup sets was empty.
Eventually I realized that the SQLEXPRESS instance on the server was not a 2012 instance, but a 2005. I disconnected and...
MySQL “WITH” clause
...ons-in-mysql-ctes/
Below is my earlier answer, which I originally wrote in 2008.
MySQL 5.x does not support queries using the WITH syntax defined in SQL-99, also called Common Table Expressions.
This has been a feature request for MySQL since January 2006: http://bugs.mysql.com/bug.php?id=16244
Oth...
How can I determine installed SQL Server instances and their versions?
...ine and wanted to know default instance and SQL Express instance which was 2008 and which 2008 R2. I connected to each instance and ran the query and it got me a version number. Googling the numbers then was easy.
– Meligy
Dec 27 '10 at 3:15
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Check if a temporary table exists and delete if it exists before creating a temporary table
...ABLE IF Exists for SQL 2016 or Azure? The syntax is available starting SQL 2008. See MSDN link in your answer? Performance factor?
– HappyTown
Feb 9 '17 at 17:42
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jQuery.click() vs onClick
...nt Performance.
I've done a test in Firefox 16.0 32-bit on Windows Server 2008 R2 / 7 64-bit
$('span'); // 6,604 operations per second
document.getElementsByTagName('span'); // 10,331,708 operations/sec
For click events, check Native Browser events vs jquery trigger or jQuery vs Native Click Eve...
How to calculate the number of days between two dates? [duplicate]
...0 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));
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Multiple Indexes vs Multi-Column Indexes
...is article should get you on the right track:
Indexes in SQL Server 2005/2008 – Best Practices, Part 1
Indexes in SQL Server 2005/2008 – Part 2 – Internals
One thing to note, clustered indexes should have a unique key (an identity column I would recommend) as the first column.
Basically ...
Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
... in my Windows XP platform. When I deployed the service in Windows Server 2008 64 bit version, I got this error:
17 Answ...
What's the simplest way to subtract a month from a date in Python?
... -1)
datetime.datetime(2010, 2, 28, 0, 0)
>>> monthdelta(datetime(2008,3,30), -1)
datetime.datetime(2008, 2, 29, 0, 0)
Edit Corrected to handle the day as well.
Edit See also the answer from puzzlement which points out a simpler calculation for d:
d = min(date.day, calendar.monthrange(y, m...