大约有 32,000 项符合查询结果(耗时:0.0362秒) [XML]

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How to get script of SQL Server data? [duplicate]

...n right click on your database and select: Tasks -> Generate Scripts Then simply proceed through the wizard. Make sure to set 'Script Data' to TRUE when prompted to choose the script options. SQL Server 2008 R2 Further reading: Robert Burke: SQL Server 2005 - Scripting your Database ...
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What's the difference between utf8_general_ci and utf8_unicode_ci?

...are falling out of favor for textual data - if case is significant to you, then otherwise ignorable punctuation and so on is probably also significant, and a binary collation might be more appropriate. Next, unicode or general refers to the specific sorting and comparison rules - in particular, the ...
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Fast way to discover the row count of a table in PostgreSQL

...ter realize this question is old, but if you wrapped the query in subquery then did the limit would this still be efficient or would the whole subquery be executed then limited in the outer query. SELECT count(*) FROM (Select * from (SELECT 1 FROM token) query) LIMIT 500000) limited_query; (I ask b...
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System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second

...s will instruct the timer to tick only once when the interval has elapsed. Then in your Callback function you Change the timer once the work has completed, not before. Example: private void Callback( Object state ) { // Long running operation _timer.Change( TIME_INTERVAL_IN_MILLISECONDS, Tim...
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Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr

...hange this option, on the Tools menu, click Options, expand Designers, and then click Table and Database Designers. Select or clear the Prevent saving changes that require the table to be re-created check box. See Also Colt Kwong Blog Entry: Saving changes is not permitted in SQL 2008 Management St...
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Partial Commits with Subversion

...ork with it using the full GIT feature set (including partial commits) and then push it all back to the SVN repository. git-svn (1) share | improve this answer | follow ...
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How many database indexes is too many?

...o this as follows:- alter index my_index_name monitoring usage; You can then monitor whether the index is used or not from that point forward by querying v$object_usage. Information on this can be found in the Oracle® Database Administrator's Guide. Just remember that if you have a warehousing ...
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How to make node.js require absolute? (instead of relative)

... Not a bad idea (: You can then define some other methods to somehow remap the app in your require.main module. I think you could then do require.main.req('client/someMod'). Nice idea, but this would be more verbose than my current requirejs. Also I do...
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SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网

...le.com/icon.svg" when PixZ1.LoadCompleted success error do if success then // 设置SVG元素颜色 call PixZ1.SetElementColor "icon" "#FF5722" // 添加动画效果 call PixZ1.AnimateElement "icon" "rotate" 1000 else show notification "SVG加载失...
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Linear Layout and weight in Android

...enerating UI dynamically. I sometimes treat XML fragments as templates and then modify or populate at runtime. This trick didn't work for me in this case, I had to re-set the explicit width and weight to get it to work. – Nuthatch Mar 31 '14 at 14:50 ...