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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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An “and” operator for an “if” statement in Bash
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Difference between Document-based and Key/Value-based databases?
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edited Dec 6 '17 at 2:46
cs95
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In Eclipse, can I have multiple Console views at once, each showing a different Console?
... of each other.
I'm using Eclipse Helios Release with build ID: 20100617-1415.
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Assign pandas dataframe column dtypes
...05-01
1 b 2 2018-05-02
df.dtypes
x object
y int64
z datetime64[ns]
dtype: object
and confirm the dtype is updated.
OLD/DEPRECATED ANSWER for pandas 0.12 - 0.16: You can use convert_objects to infer better dtypes:
In [21]: df
Out[21]:
x y
0 a 1
1 b 2
In [...
How to iterate over the keys and values in an object in CoffeeScript?
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How to use Active Support core extensions
...tive_support/all'
=> true
irb(main):002:0> 1.week.ago
=> 2010-11-14 17:56:16 -0700
irb(main):003:0>
For 1.8.7:
rvm 1.8.7
irb -f
irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'active_support/all'
=> true
irb(main):003:0> 1.week.ago
=> Sun Nov 1...
How to get a one-dimensional scalar array as a doctrine dql query result?
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answered Dec 20 '12 at 9:45
Lionel GaillardLionel Gaillard
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Center Google Maps (V3) on browser resize (responsive)
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You need to have an event listener for when the window resizes. This worked for me (put it in ...
Updating address bar with new URL without hash or reloading the page
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