大约有 40,000 项符合查询结果(耗时:0.0393秒) [XML]

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sqlalchemy: how to join several tables by one query?

...rmissions.document, ).filter( User.email == 'someemail', ).all() share | improve this answer | follow | ...
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When to use setAttribute vs .attribute= in JavaScript?

... This answer is not clear enough...I don't really feel I understand this yet. – temporary_user_name Oct 24 '13 at 21:48 1 ...
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How to get current CPU and RAM usage in Python?

... Worked for me on OSX: $ pip install psutil; >>> import psutil; psutil.cpu_percent() and >>> psutil.virtual_memory() which returns a nice vmem object: vmem(total=8589934592L, available=4073336832L, percent=52.6, used=5022085120L, free=35602...
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Case insensitive 'in'

... Prefer to lower all keys when building the dict, for performance reasons. – Ryan May 1 '13 at 6:27 1 ...
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How do I get bash completion to work with aliases?

...d also add __git_complete g __git_main to get code completition working on all git commands. – Ondrej Machulda Apr 15 '13 at 12:03 ...
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Add CSS or JavaScript files to layout head from views or partial views

... The question specifically mentioned partial view and this highest rated answer doesn't address the issue! This may be an excellent solution for another query, but not this one. – vulcan raven May 3 '13 at 5...
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How to implement a good __hash__ function in python [duplicate]

... are equal. It also shouldn't change over the lifetime of the object; generally you only implement it for immutable objects. A trivial implementation would be to just return 0. This is always correct, but performs badly. Your solution, returning the hash of a tuple of properties, is good. But note...
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warning about too many open figures

...the other axes untouched. plt.clf() clears the entire current figure with all its axes, but leaves the window opened, such that it may be reused for other plots. plt.close() closes a window, which will be the current window, if not specified otherwise. plt.close('all') will close all open figures....
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Can I use __init__.py to define global variables?

I want to define a constant that should be available in all of the submodules of a package. I've thought that the best place would be in in the __init__.py file of the root package. But I don't know how to do this. Suppose I have a few subpackages and each with several modules. How can I access th...
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Is there a way to access method arguments in Ruby?

... "#{arg} = #{eval arg}" }.join(', ') Note: since this answer was originally written, in current versions of Ruby eval can no longer be called with a symbol. To address this, an explicit to_s has been added when building the list of parameter names i.e. parameters.map { |arg| arg[1].to_s } ...