大约有 47,000 项符合查询结果(耗时:0.0256秒) [XML]

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How do I add a path to PYTHONPATH in virtualenv

... a path to the PYTHONPATH environment variable, that would be only visible from a particular virtualenv environment. 5 Ans...
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Specifying and saving a figure with exact size in pixels

...-- it seems that the DPI saved is always 0.02 pixels/inch smaller than the selected value, which will have a (small) effect on large image sizes. Some more discussion of this here. share | improve t...
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Does Python support multithreading? Can it speed up execution time?

...ross multiple cores. This extends to I/O controlled by the kernel, such as select() calls for socket reads and writes, making Python handle network events reasonably efficiently in a multi-threaded multi-core setup. What many server deployments then do, is run more than one Python process, to let t...
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How does @synchronized lock/unlock in Objective-C?

...explains it in more detail. This is why you're not seeing the log messages from your NSLock subclass — the object you synchronize on can be anything, not just an NSLock. Basically, @synchronized (...) is a convenience construct that streamlines your code. Like most simplifying abstractions, it ha...
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Getting user input [duplicate]

... Use the raw_input() function to get input from users (2.x): print "Enter a file name:", filename = raw_input() or just: filename = raw_input('Enter a file name: ') or if in Python 3.x: filename = input('Enter a file name: ') ...
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WPF Application that only has a tray icon

... +1, this should be the selected answer for the explanation alone. – ToastyMallows Aug 1 '13 at 22:26 2 ...
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Should you commit .gitignore into the Git repos?

... If you already have a file checked in, and you want to ignore it, Git will not ignore the file if you add a rule later. In those cases, you must untrack the file first, by running the following command in your terminal: git rm --cached FILENAME ...
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Windows shell command to get the full path to the current directory?

... How did you understand what he was trying to say from that ? And, under dos and windows cmd, its usually just "cd" – Rook Mar 3 '09 at 19:08 10 ...
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ImportError: No module named requests

...l requests (or python3 -m pip install requests for python3) Alternatively from a cmd prompt, use > Path\easy_install.exe requests, where Path is your Python*\Scripts folder, if it was installed. (For example: C:\Python32\Scripts) If you manually want to add a library to a windows machine, you c...
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how to solve “ruby installation is missing psych” error?

... No, he meant rvm pkg install libyaml. From rvm usage: pkg :: Install a dependency package {readline,iconv,zlib,openssl}. – jordanpg May 9 '12 at 20:45 ...