大约有 40,700 项符合查询结果(耗时:0.0603秒) [XML]

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What's the proper value for a checked attribute of an HTML checkbox?

...ng that makes sense - according to the spec here, the most correct version is: <input name=name id=id type=checkbox checked=checked> For HTML, you can also use the empty attribute syntax, checked="", or even simply checked (for stricter XHTML, this is not supported). Effectively, however, ...
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nonlocal keyword in Python 2.x

...in Python 2.6 and I need to access a nonlocal variable but it seems like this keyword is not available in python 2.x. How should one access nonlocal variables in closures in these versions of python? ...
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Why can't Python parse this JSON data?

I have this JSON in a file: 9 Answers 9 ...
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Make an existing Git branch track a remote branch?

... to make a new branch that tracks remote branches, but how do I make an existing branch track a remote branch? 22 Answers ...
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String variable interpolation Java [duplicate]

... share | improve this answer | follow | answered Jun 17 '11 at 18:01 Jon SkeetJon Skeet ...
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PHP exec() vs system() vs passthru()

... They have slightly different purposes. exec() is for calling a system command, and perhaps dealing with the output yourself. system() is for executing a system command and immediately displaying the output - presumably text. passthru() is for executing a system comma...
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Find unique rows in numpy.array

... As of NumPy 1.13, one can simply choose the axis for selection of unique values in any N-dim array. To get unique rows, one can do: unique_rows = np.unique(original_array, axis=0) share ...
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

... The problem is that there are several different time functions available in C and C++, and some of them vary in behavior between implementations. There are also a lot of half-answers floating around. Compiling a list of clock functions...
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What is the difference between `git merge` and `git merge --no-ff`?

...merge from executing a "fast-forward" if it detects that your current HEAD is an ancestor of the commit you're trying to merge. A fast-forward is when, instead of constructing a merge commit, git just moves your branch pointer to point at the incoming commit. This commonly occurs when doing a git pu...
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Display help message with python argparse when script is called without any arguments

This might be a simple one. Assume I have a program that uses argparse to process command line arguments/options. The following will print the 'help' message: ...