大约有 9,780 项符合查询结果(耗时:0.0206秒) [XML]

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How to re-create database for Entity Framework?

...database from SQL Server Object Explorer in Visual Studio. Right-click and select delete. Delete mdf and ldf files from file system - if they are still there. Rebuild Solution. Start Application - database will be re-created. ...
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C# DropDownList with a Dictionary as DataSource

...fy "Value" and "Key" for DataTextField and DataValueField respectively, to select the Value/Key properties. Thanks to Joe's comment, I reread the question to get these the right way round. Normally I'd expect the "key" in the dictionary to be the text that's displayed, and the "value" to be the val...
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In c# what does 'where T : class' mean?

... Voted down, it must not be selected as answer. – Jonathan Aug 22 at 17:30 add a comment  |  ...
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SQL DELETE with INNER JOIN

...d = n.idTemplate WHERE n.type = "monster"; It might be a better idea to select the rows before deleting so you are sure your deleting what you wish to: SELECT * FROM spawnlist INNER JOIN npc ON spawnlist.npc_templateid = npc.idTemplate WHERE npc.type = "monster"; You can also check the MySQL d...
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warning: [options] bootstrap class path not set in conjunction with -source 1.5

...button. Then in the Java Platform Manager window click Add Platform... and select: Java Standard Edition, click Next and browse to /usr/lib/jvm/java-7-openjdk-amd64 (or whatever is the location of the JDK 1.7 version). The Platform name will be set to JDK1.7. Just click Finish and you're done. You ...
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You must enable the openssl extension to download files via https

... If you are using Mac and port, you can select the PHP version by port select php php55 and install the extension port install php55-openssl – Prabowo Murti Aug 26 '14 at 6:17 ...
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What's the recommended approach to resetting migration history using Django South?

...ps, so make sure you either run the other two lines for all apps or delete selectively). The convert_to_south call at the end makes a new migration and fake-applies it (since your database already has the corresponding tables). There's no need to drop all the app tables during the process. He...
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How can I get Eclipse to show .* files?

...there is a little down arrow. Tool tip will say view menu. From that menu, select filters From there, uncheck .* resources. So Package Explorer -> View Menu -> Filters -> uncheck .* resources. With Eclipse Kepler and OS X this is a bit different: Package Explorer -> Customize View ...
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How to read attribute value from XmlNode in C#?

...= new XmlDocument(); //doc.Load(path); doc.LoadXml(xml); var names = doc.SelectNodes("//Employee/@name"); share | improve this answer | follow | ...
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Surrogate vs. natural/business keys [closed]

...ot more tables into your query than should really be necessary. Compare: select sum(t.hours) from timesheets t where t.dept_code = 'HR' and t.status = 'VALID' and t.project_code = 'MYPROJECT' and t.task = 'BUILD'; against: select sum(t.hours) from timesheets t join departents d on d.dept_i...