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Convert bytes to a string
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>>> b"abcde"
b'abcde'
# utf-8 is used here because it is a very common encoding, but you
# need to use the encoding your data is actually in.
>>> b"abcde".decode("utf-8")
'abcde'
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In-memory size of a Python structure
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The recommendation from an earlier question on this was to use sys.getsizeof(), quoting:
>>> import sys
>>> x = 2
>>> sys.getsizeof(x)
14
>>> sys.getsizeof(sys.getsizeof)
32
>>> sys.get...
Regular expression to allow spaces between words
... that one would not usually mean to match:
An empty string, "".
A string comprised entirely of spaces, " ".
A string that leads and / or trails with spaces, " Hello World ".
A string that contains multiple spaces in between words, "Hello World".
Originally I didn't think ...
Redirect website after certain amount of time
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<meta http-equiv="refresh" content="3;url=http://www.google.com/" />
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Multiple Updates in MySQL
... should use INSERT IGNORE together with ON DUPLICATE KEY UPDATE. dev.mysql.com/doc/refman/5.5/en/insert.html
– Haralan Dobrev
Sep 16 '13 at 14:15
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How to edit log message already committed in Subversion?
...tain revision in Subversion? I accidentally wrote the wrong filename in my commit message which could be confusing later.
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How do you tell if a string contains another string in POSIX sh?
... am in a certain folder, branch off. Could someone please tell me how to accomplish this? If possible I would like to make this not shell specific (i.e. not bash only) but if there's no other way I can make do with that.
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When should I use malloc in C and when don't I?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
NSDate beginning of day and end of day
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You are missing NSDayCalendarUnit in
NSDateComponents *components = [cal components:( NSMonthCalendarUnit | NSYearCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit ) fromDate:date];
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What is the HTML tabindex attribute?
...g (pressing the tab key to move focus) within the page.
Reference: http://www.w3.org/TR/html401/interact/forms.html#h-17.11.1
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