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从以上三家获奖企业...
How to check if all elements of a list matches a condition?
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My fault on the use of lambda, Python's all does not accept a function as the first argument like Haskell et. al., I changed my answer to a list comprehension as well. :)
– Hampus Nilsson
May 19 '12 at 15:11
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count (non-blank) lines-of-code in bash
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When I first asked this question, 'cloc' counted Python docstrings as lines of code, which was suboptimal IMHO. Modern versions of 'cloc' now count Python docstrings as comments, which I like much more.
– Jonathan Hartley
Jun 30 '16 at...
How to debug a Flask app
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export FLASK_APP=/daemon/api/views.py # path to app
export FLASK_DEBUG=1
python -m flask run --host=0.0.0.0
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How to write header row with csv.DictWriter?
...e csvfile.
Put another way: The Fieldnames argument is required because Python dicts are inherently unordered.
Below is an example of how you'd write the header and data to a file.
Note: with statement was added in 2.6. If using 2.5: from __future__ import with_statement
with open(infile,'rb') a...
Calling parent class __init__ with multiple inheritance, what's the right way?
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If you are writing python (hopefully 3!) and using inheritance of any sort, but especially multiple, then rhettinger.wordpress.com/2011/05/26/super-considered-super should be required reading.
– Shawn Mehan
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What's the fastest way to do a bulk insert into Postgres?
... is slower than using COPY but it is useful to me in work with psycopg and python (python list passed to cursor.execute becomes pg ARRAY):
INSERT INTO tablename (fieldname1, fieldname2, fieldname3)
VALUES (
UNNEST(ARRAY[1, 2, 3]),
UNNEST(ARRAY[100, 200, 300]),
UNNEST(ARRAY['a', 'b', '...
Convert hex to binary
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docs.python.org/library/binascii.html is subtitled Convert between binary and ASCII. Doesn't that mean it returns a string?
– pavium
Sep 15 '09 at 6:58
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科大讯飞徐景明：从语音交互到人工智能 - 资讯 - 清泛网 - 专注C/C++及内核技术
...”构成。人与各种智能终端之间进行语音交互，形成的大数据反馈到后台的云，云计算中心利用人工智能技术做出预测、判断，再反馈到各种智能终端，让人享受更好的产品和服务。
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How to dump a dict to a json file?
... Good thing to remember here is that unless you use an OrderedDict (python >2.7) there is no guarantee that keys are ordered in any particular manner
– ford prefect
Aug 1 '17 at 18:08
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