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Which regular expression operator means 'Don't' match this character?
...) will match anything but word characters; similarly, [\d] will match the 0-9 digits while [\D] matches anything but the 0-9 digits, and so on.
If you use PHP you can take a look at the regex character classes documentation.
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How to check whether a string is Base64 encoded or not
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20 Answers
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How do I create test and train samples from one dataframe with pandas?
...ering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing.
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List all indexes on ElasticSearch server?
...oncise list of all indices in your cluster, call
curl http://localhost:9200/_aliases
this will give you a list of indices and their aliases.
If you want it pretty-printed, add pretty=true:
curl http://localhost:9200/_aliases?pretty=true
The result will look something like this, if your indic...
What is the best way to do a substring in a batch file?
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401
Well, for just getting the filename of your batch the easiest way would be to just use %~n0.
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How to change height of grouped UITableView header?
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Combining two Series into a DataFrame in pandas
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In [4]: pd.concat([s1, s2], axis=1).reset_index()
Out[4]:
index s1 s2
0 A 1 3
1 B 2 4
Note: This extends to more than 2 Series.
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Regular expression search replace in Sublime Text 2
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edited Nov 19 '19 at 14:08
answered Aug 5 '12 at 20:41
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Get exit code of a background process
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1: In bash, $! holds the PID of the last background process that was executed. That will tell y...
CSS I want a div to be on top of everything
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dev.bv
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answered Sep 14 '11 at 19:22
Skylar AndersonSkylar Anderson
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