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How can I format a nullable DateTime with ToString()?
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Filtering Pandas DataFrames on dates
...l based indexing or .iloc for positional indexing.
For example:
df.loc['2014-01-01':'2014-02-01']
See details here http://pandas.pydata.org/pandas-docs/stable/dsintro.html#indexing-selection
If the column is not the index you have two choices:
Make it the index (either temporarily or permanen...
How to find duplicates in 2 columns not 1
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edited Mar 13 '09 at 13:39
answered Mar 13 '09 at 13:20
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How to set initial value and auto increment in MySQL?
...set the initial value for an "id" column in a MySQL table that start from 1001?
10 Answers
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How can I replace a newline (\n) using sed?
... jpp
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answered Aug 9 '09 at 20:26
Zsolt BotykaiZsolt Botykai
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Join a list of items with different types as string in Python
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answered Aug 28 '10 at 9:09
Mark ByersMark Byers
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Including a groovy script in another groovy
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evaluate(new File("../tools/Tools.groovy"))
Put that at the top of your script. That will br...
Is Meyers' implementation of the Singleton pattern thread safe?
...cs on MSDN) is as follows:
Visual Studio: supported since Visual Studio 2015
GCC: supported since GCC 4.3
Thanks to @Mankarse and @olen_gam for their comments.
In C++03, this code wasn't thread safe. There is an article by Meyers called "C++ and the Perils of Double-Checked Locking" which dis...
Is there a /dev/null on Windows?
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edited Jan 18 '16 at 11:09
answered Nov 23 '08 at 23:30
J...
Count number of occurrences of a given substring in a string
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jsbuenojsbueno
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