大约有 47,000 项符合查询结果(耗时:0.0370秒) [XML]
Reading a huge .csv file
...200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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Very Long If Statement in Python [duplicate]
...next logical line needs to have different indentation to your code block.
For example:
if (abcdefghijklmnopqrstuvwxyz > some_other_long_identifier and
here_is_another_long_identifier != and_finally_another_long_name):
# ... your code here ...
pass
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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
... This lame error has been tormenting CENTOS/Ubuntu/Linux users for a while now. And why exactly the developers of these OSs did not bother with a fix or an update?? Thanks for the fix btw :)!
– roosevelt
Oct 7 '13 at 1:00
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Python debugging tips [closed]
What are your best tips for debugging Python?
18 Answers
18
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What's the _ underscore representative of in Swift References?
...y a little bit more.
_ is used to modify external parameter name behavior for methods.
In Local and External Parameter Names for Methods section of the documentation, it says:
Swift gives the first parameter name in a method a local parameter name by default, and gives the second and subsequen...
How do I parse an ISO 8601-formatted date?
...gt;> dateutil.parser.isoparse('2008-09-03T20:56:35.450686Z') # RFC 3339 format
datetime.datetime(2008, 9, 3, 20, 56, 35, 450686, tzinfo=tzutc())
>>> dateutil.parser.isoparse('2008-09-03T20:56:35.450686') # ISO 8601 extended format
datetime.datetime(2008, 9, 3, 20, 56, 35, 450686)
>>...
Can you give a Django app a verbose name for use throughout the admin?
... This popular answer recommends using a hack/workaround that was needed before Django 1.7. If you're using 1.7 or above, use an apps.py file as recommended below by iMaGiNiX.
– shacker
Feb 2 '15 at 22:40
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What is the use of join() in Python threading?
...ead could
continue
'*' main-thread 'sleeping' in join-method, waiting for child-thread to finish
',' daemonized thread - 'ignores' lifetime of other threads;
terminates when main-programs exits; is normally meant for
join-independent tasks
So the reason you don't see any changes is b...
SASS - use variables across multiple files
...e to keep one central .scss file that stores all SASS variable definitions for a project.
6 Answers
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How to make the 'cut' command treat same sequental delimiters as one?
...
No need for cat here. You could pass < text.txt directly to tr. en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat
– arielf
Aug 9 '14 at 20:10
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