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Calculate the number of business days between two dates?
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Combine two data frames by rows (rbind) when they have different sets of columns
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Selecting last element in JavaScript array [duplicate]
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How to get the last char of a string in PHP?
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Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
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edited Jul 20 '12 at 17:36
answered Jul 30 '11 at 6:10
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How do I build a numpy array from a generator?
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Numpy arrays require their length to be set explicitly at creation time, unlike python lists. ...
Find object in list that has attribute equal to some value (that meets any condition)
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Tropicalrambler
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answered Aug 19 '11 at 18:01
agfagf
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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] ...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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The Gemfile is where you specify which gems you want to use, and lets you specify which versio...