大约有 48,000 项符合查询结果(耗时:0.0720秒) [XML]

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Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?

... to whether or not there is a real difference between the money datatype and something like decimal(19,4) (which is what money uses internally, I believe). ...
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Django auto_now and auto_now_add

...Any field with the auto_now attribute set will also inherit editable=False and therefore will not show up in the admin panel. There has been talk in the past about making the auto_now and auto_now_add arguments go away, and although they still exist, I feel you're better off just using a custom save...
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?

...ge-processing problems in Haskell. I'm working with both bitonal (bitmap) and color images with millions of pixels. I have a number of questions: ...
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iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?

... Do you know what the code/sequence for Command+Delete is? (clear out the prompt) – Steven Lu Mar 31 '13 at 18:37 ...
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What's the difference between libev and libevent?

Both 2 libs are designed for async i/o scheduling, and both engages epoll on linux, and kqueue on FreeBSD, etc. 2 Answers ...
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How should I have explained the difference between an Interface and an Abstract class?

...rviews, I have been asked to explain the difference between an Interface and an Abstract class . 30 Answers ...
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What is the purpose of a self executing function in javascript?

... blocks of JavaScript code. For example, as mentioned in a comment by Alexander: (function() { var foo = 3; console.log(foo); })(); console.log(foo); This will first log 3 and then throw an error on the next console.log because foo is not defined. ...
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Why can't variable names start with numbers?

...names are "numbers+alpha that don't parse to a valid numeric designation", and that's just silly. – eaolson Oct 11 '09 at 3:56 4 ...
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Logging best practices [closed]

I'd like to get stories on how people are handling tracing and logging in real applications. Here are some questions that might help to explain your answer. ...
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Is it necessary to write HEAD, BODY and HTML tags?

Is it necessary to write <html> , <head> and <body> tags? 6 Answers ...