大约有 48,000 项符合查询结果(耗时:0.0418秒) [XML]

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SQL Group By with an Order By

... In all versions of MySQL, simply alias the aggregate in the SELECT list, and order by the alias: SELECT COUNT(id) AS theCount, `Tag` from `images-tags` GROUP BY `Tag` ORDER BY theCount DESC LIMIT 20 share ...
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How make Eclipse/EGit recognize existing repository information after update?

...ositories" dialogue, under Search criteria, enter the workspace directory, select "Look for nested repositores", and hit Search: Select the repositories you want to add and click OK "Share" each of the projects again using "use or create repository" Open you existing project in Eclipse's Projec...
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CSS selector - element with a given child [duplicate]

I'm looking to make a selector which will select all elements if they have a specific child element. For example, select all <div> with a child <span> . ...
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Is there a better Windows Console Window? [closed]

... the system, or copied to a folder of the program (ttf, otf, fon, bdf) Run selected tabs as Administrator (Vista+) or as selected user Windows 7 Jump lists and Progress on taskbar Integration with DosBox (useful in 64bit systems to run DOS applications) Smooth resize, maximized and fullscreen window...
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How to implement if-else statement in XSLT?

...oooooooooo </h2> XSLT 2.0 Solution <h2> <xsl:value-of select="if ($CreatedDate > $IDAppendedDate) then 'm' else 'd'"/> ooooooooooooo </h2> share | improve this a...
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What's the difference between utf8_general_ci and utf8_unicode_ci?

...or "ǽ" == "æ". For sorting this makes sense but could be surprising when selecting via equalities or dealing with unique indices - bugs.mysql.com/bug.php?id=16526 – Mat Schaffer Mar 13 '15 at 15:22 ...
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Printing object properties in Powershell

...ete Method void Delete() ... $pool | Select-Object -Property * # You can omit -Property name : .NET v4.5 queueLength : 1000 autoStart : True enable32BitAppOnWin64 : False managedRuntimeVersion ...
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The type or namespace name 'DbContext' could not be found [closed]

... @Chris Dickinson, right click on the References item in the project and select Add Reference.... Then in the .NET tab, select System.Data.Entity. And if you want to use NuGet, right click on the References item and then select Add Library Package Reference... and in the Online tab, search for Ent...
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Conversion failed when converting date and/or time from character string while inserting datetime

...s the recommend date/time data types for SQL Server 2008 or newer anyway. SELECT CAST('02-21-2012 6:10:00 PM' AS DATETIME2), -- works just fine CAST('01-01-2012 12:00:00 AM' AS DATETIME2) -- works just fine Don't ask me why this whole topic is so tricky and somewhat confusing - that...
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What columns generally make good indexes?

...earching the results speedily from tables. So it is most important step to select which columns to be indexed. There are two major places where we can consider indexing: columns referenced in the WHERE clause and columns used in JOIN clauses. In short, such columns should be indexed against which yo...