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Combine two data frames by rows (rbind) when they have different sets of columns

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Count number of records returned by group by

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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1

Because of the Twitter API 1.0 retirement as of June 11th 2013 , the script below does not work anymore. 14 Answers ...
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How to get the start time of a long-running Linux process?

...,lstart,cmd PID CMD STARTED 1 Tue Jun 7 01:29:38 2016 /sbin/init 2 Tue Jun 7 01:29:38 2016 [kthreadd] 3 Tue Jun 7 01:29:38 2016 [ksoftirqd/0] 5 Tue Jun 7 01:29:38 2016 [kworker/0:0H] ...
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Application auto build versioning

...variable in importpath named name to value. Note that before Go 1.5 this option took two separate arguments. Now it takes one argument split on the first = sign. As part of your build process, you could set a version string variable using this. You can pass this through the go to...
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Calculate the number of business days between two dates?

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Find object in list that has attribute equal to some value (that meets any condition)

... Tropicalrambler 16333 silver badges1313 bronze badges answered Aug 19 '11 at 18:01 agfagf 140k...
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Python argparse: default value or specified value

...rgparse.ArgumentParser() parser.add_argument('--example', nargs='?', const=1, type=int) args = parser.parse_args() print(args) % test.py Namespace(example=None) % test.py --example Namespace(example=1) % test.py --example 2 Namespace(example=2) nargs='?' means 0-or-1 arguments const=1 sets...
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Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)

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Automatic counter in Ruby for each?

... 191 As people have said, you can use each_with_index but if you want indices with an iterator ...