大约有 800 项符合查询结果(耗时:0.0241秒) [XML]
Python memoising/deferred lookup property decorator
...I found this method to be 7.6 times faster than the selected answer. (2.45 µs / 322 ns) See ipython notebook
– Dave Butler
Feb 28 '14 at 19:49
1
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Is it okay to use now?
... edited Oct 5 '11 at 20:55
µBio
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answered May 11 '10 at 20:03
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How to use a class from one C# project with another C# project
...ect.
Change the default name of the file to something like library.py or façade.java, etc.
NOW the code recommendations to import libraries or using namespaces will work as described in the comments above and you don't have to change path statements or change solutions paths and solution names th...
Most common C# bitwise operations on enums
...boxing, which accounts for this difference. But the cost is so trivial (0.4µs) that unless you're in a tight loop, I would take the more readable (and less likely buggy) declarative API call any day.
– Drew Noakes
Oct 15 '12 at 23:57
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Redis command to get all available keys?
... CLI usage example: redis-cli keys "*"
– XåpplI'-I0llwlg'I -
Nov 28 '16 at 10:11
4
C...
Fast check for NaN in NumPy
... = np.nan
%timeit anynan(array) # 1000000 loops, best of 3: 1.93 µs per loop
%timeit np.isnan(array.sum()) # 100 loops, best of 3: 4.57 ms per loop
%timeit np.isnan(array.min()) # 1000 loops, best of 3: 1.65 ms per loop
Similar results may be achieved with Cython or a C extension, the...
What does middleware and app.use actually mean in Expressjs?
...ting? It seems you have showed it in your answer.
– sçuçu
Nov 3 '16 at 22:40
Can you explain your above example?, ho...
Is the size of C “int” 2 bytes or 4 bytes?
...ytes (assuming CHAR_BIT is 8)... and later when that limit increased to 2³² - 1, people were stating 4 bytes instead. This explains the phenomena you've observed:
Most of the textbooks say integer variables occupy 2 bytes. But when I run a program printing the successive addresses of an array ...
How is Python's List Implemented?
... proof: Indexing takes (of course with extremely small differences (0.0013 µsecs!)) the same time regardless of index:
...>python -m timeit --setup="x = [None]*1000" "x[500]"
10000000 loops, best of 3: 0.0579 usec per loop
...>python -m timeit --setup="x = [None]*1000" "x[0]"
10000000 loops...
What does “async: false” do in jQuery.ajax()?
...lur event with a following sync call blocking it.
– PålOliver
Feb 19 '13 at 10:34
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