大约有 800 项符合查询结果(耗时:0.0196秒) [XML]
What's the pythonic way to use getters and setters?
...east a little bit of useful information."
– Jean-François Corbett
Mar 16 '17 at 15:11
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How is t...
How to reset db in Django? I get a command 'reset' not found error
... edited May 14 at 12:17
Håken Lid
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answered Aug 30 '13 at 22:06
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Counting the number of True Booleans in a Python List
...n ± std. dev. of 7 runs, 1000000 loops each)
In [4]: %timeit sum(x)
1.72 µs ± 161 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each)
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Can you pass parameters to an AngularJS controller on creation?
...nswered Feb 13 '14 at 10:23
François RomainFrançois Romain
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How to remove the first character of string in PHP?
How to use PHP , Remove the first character :
13 Answers
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Detect if a NumPy array contains at least one non-numeric value?
...)
Out[5]: True
In [6]: timeit isnan(a.max())
10000 loops, best of 3: 66.3 µs per loop
The treatment of nans in comparisons was not consistent in earlier versions.
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What's the difference between ASCII and Unicode?
...quence, they didn't need to support accents or other
marks such as á, ü, ç, ñ, etc. (aka diacritics).
ASCII Extended
Some clever people started using the 8th bit (the bit used for parity) to encode more characters to support their language (to support "é", in French, for example). Just using o...
What's the best way to send a signal to all members of a process group?
...ll your own children, use pkill -TERM -P ${$}.
– François Beausoleil
Apr 10 '15 at 14:30
3
@Only...
YYYY-MM-DD format date in shell script
... a more compact notation for the accepted answer.
– Håvard Geithus
Nov 16 '15 at 20:42
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SQL, Postgres OIDs, What are they and why are they useful?
...nsigned integers. They are not unique–OID counter will wrap around at 2³²-1. OID are also used to identify data types (see /usr/include/postgresql/server/catalog/pg_type_d.h).
In my experience, the feature is generally unused in most postgres-backed applications (probably in part because they're...