大约有 40,000 项符合查询结果(耗时:0.0309秒) [XML]

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How would you do a “not in” query with LINQ?

...from c in dc.Customers where !(from o in dc.Orders select o.CustomerID) .Contains(c.CustomerID) select c; foreach (var c in query) Console.WriteLine( c ); from The NOT IN clause in LINQ to SQL by Marco Russo ...
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Adding a build configuration in Xcode

..... This menu will open to reveal that you currently have a build target selected. Build targets don't have their own configurations. Configurations are project-wide. If you select the project file, the menu will work, as shown here. You also have to make sure that the 'Info' tab is selected,...
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Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta

...machine, launch Xcode and do this: Open the Organizer (Shift-Command-2). Select the Devices tab. Choose Developer Profile in the upper-left corner under LIBRARY, which may be under the heading library or under a heading called TEAMS. Choose Export near the bottom left side of the window. Xcode as...
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Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”

... }, onDemand: true, discardSelector: ".discard-answer" ,immediatelyShowMarkdownHelp:true,enableSnippets:true }); } }); ...
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint

...dditionally you can find NSLayoutConstraint in view hierarchy. Since it is selected in View, it selected in Navigator also. If you need you may also print it on console using address pointer: (lldb) po 0x17dce920 <UIView: 0x17dce920; frame = (10 30; 300 24.5); autoresize = RM+BM; layer = <...
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How to pass anonymous types as parameters?

...is an anonymous type right? I'm thinking of a case where someone writes a "Select * from" statement and uses an anonymous (or defined) class to define which columns from the query result map to the same named properties on your anonymous object. – C. Tewalt Apr...
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How to format an inline code in Confluence?

... {{example}}. If you're using Confluence 4.x or higher, you can also just select the "Preformatted" option from the paragraph style menu. Please note that will apply to the entire line. Full reference here. share ...
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HttpUtility does not exist in the current context

...e" in the Solution Explorer Choose "Add Reference" Check the ".NET" tab is selected. Search for, and add "System.Web". share | improve this answer | follow | ...
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Does order of where clauses matter in SQL?

...rstName) (or both) On the other hand - again for SQL Server - if you use SELECT * to grab all columns from a table, and the table is rather small, then there's a good chance the query optimizer will just do a table (or clustered index) scan instead of using an index (because the lookup into the fu...
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How can I uninstall an application using PowerShell?

...ause of Get-WmiObject: $app = Get-WmiObject -Class Win32_Product -filter "select * from Win32_Product WHERE name = 'Software Name'" – Rob Paterson Sep 22 '08 at 7:44 8 ...