大约有 45,000 项符合查询结果(耗时:0.0412秒) [XML]

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Why aren't superclass __init__ methods automatically invoked?

... Right now, we have a rather long page describing the method resolution order in case of multiple inheritance: http://www.python.org/download/releases/2.3/mro/ If constructors were called automatically, you'd need another page of a...
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Is there a way to cache GitHub credentials for pushing commits?

...or push/pull/fetch/clone operation). Note: with Git 2.18 (Q2 2018), you now can customize the GPG used to decrypt the encrypted .netrc file. See commit 786ef50, commit f07eeed (12 May 2018) by Luis Marsano (``). (Merged by Junio C Hamano -- gitster -- in commit 017b7c5, 30 May 2018) git-cr...
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How to len(generator()) [duplicate]

...'s no "infinity" integer in Python. And what about generators that don't know when they'll be done? To write an efficient __len__ method for a Goldbach's Conjecture generator, you'd first have to answer one of the biggest open questions in mathematics. – Kevin J. Chase ...
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Progress indicator during pandas operations

...with `pandas` # (can use tqdm_gui, optional kwargs, etc.) tqdm.pandas() # Now you can use `progress_apply` instead of `apply` df.groupby(0).progress_apply(lambda x: x**2) In case you're interested in how this works (and how to modify it for your own callbacks), see the examples on github, the full...
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How to declare string constants in JavaScript? [duplicate]

...t serves a similar purpose FOO : "foofoo", BAR : "barbar", } You can now print out 'foofoo' with jsEnum.FOO share | improve this answer | follow | ...
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How to override the copy/deepcopy operations for a Python object?

...se where pickling and copying need to be different. In fact, I don't even know why copy tries to use the pickling protocol by default. Copying is for in-memory manipulation, pickling is for cross-epoch persistence; they are completely different things that bear little relation to each other. ...
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Simplest way to detect a mobile device in PHP

... this answer is now so obsolete. there are many false positives, safari on OSX is detected as a mobile, Chrome on OSX detected as Mobile. – DevZer0 May 25 '16 at 14:21 ...
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?

... still not write international text into db getting same failure as above Now using this how-to-convert-an-entire-mysql-database-characterset-and-collation-to-utf-8 Update all your db to use utf8mb4 ALTER DATABASE YOURDB CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; Run this query that giv...
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?

...then substituted into the replacement string: EVALUATOR(mine, VARIABLE) Now the macro EVALUATOR is discovered, and the arguments are isolated as 'mine' and 'VARIABLE'; the latter is then fully expanded to '3', and substituted into the replacement string: PASTER(mine, 3) The operation of this i...
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Extracting text from HTML file using Python

... I know that's not (AT ALL) the place, but i follow the link to Aaron's blog and github profile and projects, and found myself very disturbed by the fact there is no mention of his death and it's of course frozen in 2012, as if t...