大约有 41,000 项符合查询结果(耗时:0.0540秒) [XML]

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What requirement was the tuple designed to solve?

...urn, or when you want to key a dictionary off of two data rather than one, and so on. Languages like F# which support tuple types natively provide a great deal of flexibility to their users; they are an extremely useful set of data types. The BCL team decided to work with the F# team to standardi...
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CSS: How do I auto-resize an image to fit a 'div' container?

...ight: 100%; } .portrait { height: 80px; width: 30px; } .landscape { height: 30px; width: 80px; } .square { height: 75px; width: 75px; } Portrait Div <div class="portrait"> <img src="http://i.stack.imgur.com/xkF9Q.jpg"> </div> La...
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Android studio, gradle and NDK

I am very new to this whole gradle and Android Studio support. I have managed to convert my android project to gradle using the export option. ...
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Best way to structure a tkinter application? [closed]

... root = tk.Tk() MainApplication(root).pack(side="top", fill="both", expand=True) root.mainloop() The important things to notice are: I don't use a wildcard import. I import the package as "tk", which requires that I prefix all commands with tk.. This prevents global namespace pollution, ...
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Why is spawning threads in Java EE container discouraged?

...aged because all resources within the environment are meant to be managed, and potentially monitored, by the server. Also, much of the context in which a thread is being used is typically attached to the thread of execution itself. If you simply start your own thread (which I believe some servers ...
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What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?

I know some differences of LINQ to Entities and LINQ to Objects which the first implements IQueryable and the second implements IEnumerable and my question scope is within EF 5. ...
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Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?

...a few minutes ago I was horrified to discover VS2012's omission of macros, and you posted this 11 hours before I got here! – Shaul Behr Nov 13 '12 at 11:11 ...
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How do you enable “Enable .NET Framework source stepping”?

... The PDBs for stepping through the source code are only posted for RTM and Service Packs. As such, when security update comes out and it modifies the dll you are trying to debug, it will cause source stepping to not work (that is, you'll get the "No source Available" with a greyed out "Browse t...
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Repeater, ListView, DataList, DataGrid, GridView … Which to choose?

... yourself. ListView - the new Datalist :). Almost a hybrid of the datalist and gridview where you can use paging and build in Gridview like functionality, but have the freedom of design. One of the new controls in this family Repeater - Very light weight. No built in functionality like Headers, Foot...
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Is there Unicode glyph Symbol to represent “Search” [closed]

... There is U+1F50D LEFT-POINTING MAGNIFYING GLASS (????) and U+1F50E RIGHT-POINTING MAGNIFYING GLASS (????). You should use (in HTML) 🔍 or 🔎 They are, however not supported by many fonts (fileformat.info only lists a few fonts as supporting the Codepoint w...