大约有 46,000 项符合查询结果(耗时:0.1103秒) [XML]
How can I check if a background image is loaded?
...t it in CSS — so images are start downloading before css file — it's called preloading.
– jcubic
Feb 20 '11 at 17:05
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Python Graph Library [closed]
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I just evaluated both. networkx is installable via pip, whereas igraph is not. This makes igraph harder to use as dependencies in your setup.py files.
– exhuma
Aug 10 '12 at 7:46
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Intro to GPU programming [closed]
Everyone has this huge massively parallelized supercomputer on their desktop in the form of a graphics card GPU.
9 Answers
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Efficient evaluation of a function at every cell of a NumPy array
...t be faster than the "manual" double loop iteration and assignment through all the array elements. Especially, because it stores the result to a newly created variable (and not directly to the initial input). Thanks a lot for your reply though:)
– Peter
Oct 9 '...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
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answered May 16 '14 at 22:44
dnc253dnc253
37.7k3535 gold badges133133 silver badges146146 bronze badges
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GraphViz - How to connect subgraphs?
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edited Oct 24 '18 at 16:19
qfazille
1,1671111 silver badges2525 bronze badges
answered May 29 '12 a...
Mocking python function based on input arguments
...f side_effect is a function then whatever that function returns is
what calls to the mock return. The side_effect function is called with
the same arguments as the mock. This allows you to vary the return
value of the call dynamically, based on the input:
>>> def side_effect(value):
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Memoization in Haskell?
...tion (fix)
Let's define f, but make it use 'open recursion' rather than call itself directly.
f :: (Int -> Int) -> Int -> Int
f mf 0 = 0
f mf n = max n $ mf (n `div` 2) +
mf (n `div` 3) +
mf (n `div` 4)
You can get an unmemoized f by using fix f
This...
Cost of len() function
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Calling len() on those data types is O(1) in CPython, the most common implementation of the Python language. Here's a link to a table that provides the algorithmic complexity of many different functions in CPython:
TimeComple...
Send file using POST from a Python script
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216
From: https://requests.readthedocs.io/en/latest/user/quickstart/#post-a-multipart-encoded-file
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