大约有 46,000 项符合查询结果(耗时:0.0429秒) [XML]

https://stackoverflow.com/ques... 

C++: what regex library should I use? [closed]

... slated to become part of the C++0x standard (it's already in TR1). Personally, I find Boost.Xpressive much nicer to work with. It is a header-only library and it has some nice features such as static regexes (regexes compiled at compile time). Update: If you're using a C++11 compliant compiler (g...
https://stackoverflow.com/ques... 

How do I break a string over multiple lines?

...se "..." if you need to split lines in the middle of words or want to literally type linebreaks as \n: key: "Antidisestab\ lishmentarianism.\n\nGet on it." YAML is crazy. Block scalar styles (>, |) These allow characters such as \ and " without escaping, and add a new line (\n) to the end o...
https://stackoverflow.com/ques... 

Submit a form using jQuery [closed]

... It depends on whether you are submitting the form normally or via an AJAX call. You can find lots of information at jquery.com, including documentation with examples. For submitting a form normally, check out the submit() method to at that site. For AJAX, there are many differen...
https://stackoverflow.com/ques... 

Should I use `import os.path` or `import os`?

...ant to use rather than a thing in the os module, so even though it's not really a submodule of a package called os, I import it sort of like it is one and I always do import os.path. This is consistent with how os.path is documented. Incidentally, this sort of structure leads to a lot of Python p...
https://stackoverflow.com/ques... 

How to copy an object in Objective-C

...deep, logical copy. In this, we make a copy of the object, but without actually doing it bit by bit - we want an object that behaves the same for all intents and purposes, but isn't (necessarily) a memory-identical clone of the original - the Objective C manual calls such an object "functionally ind...
https://stackoverflow.com/ques... 

How to override and extend basic Django admin templates?

...ound a nice template loader on djangosnippets.org that makes this easy. It allows you to extend a template in a specific app, giving you the ability to create your own admin/index.html that extends the admin/index.html template from the admin app. Like this: {% extends "admin:admin/index.html" %} {...
https://stackoverflow.com/ques... 

How do you test that a Python function throws an exception?

...t ahold of the actual Exception object thrown: import unittest def broken_function(): raise Exception('This is broken') class MyTestCase(unittest.TestCase): def test(self): with self.assertRaises(Exception) as context: broken_function() self.assertTrue('This i...
https://stackoverflow.com/ques... 

DistutilsOptionError: must supply either home or prefix/exec-prefix — not both

I've been usually installed python packages through pip. 8 Answers 8 ...
https://stackoverflow.com/ques... 

Is git good with binary files?

...aningful diffs, or merge binary files in any way that could make sense. So all merges, rebases or cherrypicks involving a change to a binary file will involve you making a manual conflict resolution on that binary file. You need to decide whether the binary file changes are rare enough that you can...
https://stackoverflow.com/ques... 

Fastest way to flatten / un-flatten nested JSON objects

...ltholder; }; flatten hasn't changed much (and I'm not sure whether you really need those isEmpty cases): Object.flatten = function(data) { var result = {}; function recurse (cur, prop) { if (Object(cur) !== cur) { result[prop] = cur; } else if (Array.isArray(cu...