大约有 40,000 项符合查询结果(耗时:0.0509秒) [XML]

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recursion versus iteration

Is it correct to say that everywhere recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration? ...
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Cannot open backup device. Operating System error 5

Below is the query that I am using to backup (create a .bak ) my database. 21 Answers ...
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NSDate get year/month/day

How can I get the year/month/day of a NSDate object, given no other information? I realize that I could probably do this with something similar to this: ...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch). ...
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Git status ignore line endings / identical files / windows & linux environment / dropbox / mled

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Concatenate text files with Windows command line, dropping leading lines

I need to concatenate some relatively large text files, and would prefer to do this via the command line. Unfortunately I only have Windows, and cannot install new software. ...
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Is it good practice to use the xor operator for boolean checks? [closed]

I personally like the exclusive or , ^ , operator when it makes sense in the context of boolean checks because of its conciseness. I much prefer to write ...
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ImportError: No module named Crypto.Cipher

When I try to run app.py (Python 3.3, PyCrypto 2.6) my virtualenv keeps returning the error listed above. My import statement is just from Crypto.Cipher import AES . I looked for duplicates and you might say that there are some, but I tried the solutions (although most are not even solutions) and n...
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.NET obfuscation tools/strategy [closed]

My product has several components: ASP.NET, Windows Forms App and Windows Service. 95% or so of the code is written in VB.NET. ...
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Large Object Heap Fragmentation

The C#/.NET application I am working on is suffering from a slow memory leak. I have used CDB with SOS to try to determine what is happening but the data does not seem to make any sense so I was hoping one of you may have experienced this before. ...