大约有 30,000 项符合查询结果(耗时:0.0342秒) [XML]

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What is the difference between encode/decode?

... it and call any string manipulating function you like. But there comes a time, when you'd like to print your unicode object to console or into some text file. So you have to encode it (for example - in UTF-8), you call encode('utf-8') and you get a string with '\u<someNumber>' inside, which ...
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What is the Difference Between Mercurial and Git?

I've been using git for some time now on Windows (with msysGit) and I like the idea of distributed source control. Just recently I've been looking at Mercurial (hg) and it looks interesting. However, I can't wrap my head around the differences between hg and git. ...
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Convert to/from DateTime and Time in Ruby

How do you convert between a DateTime and a Time object in Ruby? 6 Answers 6 ...
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Advantages of std::for_each over for loop

...foo(e); } This kind of syntax has been available in Java and C# for some time now, and actually there are way more foreach loops than classical for loops in every recent Java or C# code I saw. share | ...
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How can we prepend strings with StringBuilder?

... data after the insertion point. Inserting n piece of text can take O(n^2) time. A naive approach would be to add an offset into the backing char[] buffer as well as the length. When there is not enough room for a prepend, move the data up by more than is strictly necessary. This can bring performa...
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How to get the current time as datetime

... Tested with Swift 4 Getting the Current Date and Time You can get the current date and time as simply as this: let currentDateTime = Date() However, Date is a 64-bit floating point number measuring the number of seconds since the reference date of January 1, 2001 at 00:00:...
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Pass mouse events through absolutely-positioned element

...s not supported up to IE 11; all other vendors support it since quite some time (global support was ~92% in 12/'16): http://caniuse.com/#feat=pointer-events (thanks to @s4y for providing the link in the comments). share ...
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C++, copy set to vector

... This fails the first time the vector reallocates: the iterator from output.begin() gets invalidated. – Fred Nurk Feb 17 '11 at 21:02 ...
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What are some common uses for Python decorators? [closed]

... I use decorators mainly for timing purposes def time_dec(func): def wrapper(*arg): t = time.clock() res = func(*arg) print func.func_name, time.clock()-t return res return wrapper @time_dec def myFunction(n): ... ...
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Concurrent HashSet in .NET Framework?

...even if it is a null reference (the reference needs 4 bytes in a 32-bit runtime and 8 bytes in a 64-bit runtime). Therefore, using a byte, an empty struct, or similar may reduce the memory footprint (or it may not if the runtime aligns the data on native memory boundaries for faster access). ...