大约有 40,000 项符合查询结果(耗时:0.0507秒) [XML]

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What are all the uses of an underscore in Scala?

...s taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated. ...
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MySQL: how to get the difference between two timestamps in seconds

...ifference between two timestamps in seconds, or would I need to do that in PHP? And if so, how would I go about doing that? ...
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How do I comment on the Windows command line?

...nt one for batch file (and other) chicanery: robvanderwoude.com/batchfiles.php – paxdiablo Jun 8 '10 at 23:55 ...
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融资千万美元后的足记要如何应对“爆款后遗症”? - 资讯 - 清泛网 - 专注C...

...动。但杨柳认为这几个月还是做了不少重要的事:后台从php架构换成Java架构。这些工作前端看不到,但如果不改后台,新功能一个都上不了。 8月底9月初,足记的新版本即将上线,他们并不会推出更多类似“大片”的模式,寻...
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Class with Object as a parameter

... Table to be a new-style class (as opposed to "classic" class). In Python3 all classes are new-style classes, so this is no longer necessary. New style classes have a few special attributes that classic classes lack. class Classic: pass class NewStyle(object): pass print(dir(Classic)) # ['__doc__...
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How to force HTTPS using a web.config file

...round Google and StackOverflow trying to find a solution to this, but they all seem to relate to ASP.NET etc. 9 Answers ...
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SQLite Concurrent Access

...emely fast and has many clever optimizations to minimize contention. Especially SQLite 3. For most desktop/laptop/tablet/phone applications, SQLite is fast enough as there's not enough concurrency. (Firefox uses SQLite extensively for bookmarks, history, etc.) For server applications, somebody som...
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?

...sk<Void, Void, String> { // you may separate this or combined to caller class. public interface AsyncResponse { void processFinish(String output); } public AsyncResponse delegate = null; public MyAsyncTask(AsyncResponse delegate){ this.delegate = delegate; } ...
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How to create the most compact mapping n → isprime(n) up to a limit N?

Naturally, for bool isprime(number) there would be a data structure I could query. I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant. Just an example of what I am looking for: I could rep...
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What is the difference between server side cookie and client side cookie?

...rence between creating cookies on the server and on the client? Are these called server side cookies and client side cookies? Is there a way to create cookies that can only be read on the server or on the client? ...