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How to remove last n characters from every element in the R vector
..._bar","bar_foo","apple","beer")
a = data.frame("data"=char_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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Python: Get relative path from comparing two absolute paths
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174
os.path.commonprefix() and os.path.relpath() are your friends:
>>> print os.path.commo...
How to change field name in Django REST Framework
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edited Apr 19 '19 at 4:27
PatDuJour
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answered Apr 9 '14 at 9:4...
How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
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Ryan CavanaughRyan Cavanaugh
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Python logging: use milliseconds in time format
...debug('Jackdaws love my big sphinx of quartz.')
# 2011-06-09,07:12:36.553554 Jackdaws love my big sphinx of quartz.
Or, to get milliseconds, change the comma to a decimal point, and omit the datefmt argument:
class MyFormatter(logging.Formatter):
converter=dt.datetime.fromtimestamp
def ...
UITableViewCell, show delete button on swipe
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answered Jul 22 '10 at 14:09
KurbzKurbz
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Dealing with float precision in Javascript [duplicate]
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answered Jul 27 '12 at 21:14
Rusty FausakRusty Fausak
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Bold & Non-Bold Text In A Single UILabel?
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14 Answers
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Convert list to dictionary using linq and not worrying about duplicates
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answered Jul 23 '10 at 14:28
CarraCarra
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How to Update Multiple Array Elements in mongodb
...te all items in an array. See JIRA http://jira.mongodb.org/browse/SERVER-1243
As a work around you can:
Update each item individually
(events.0.handled events.1.handled
...) or...
Read the document, do the edits
manually and save it replacing the
older one (check "Update if
Current" if you want t...