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Where is virtualenvwrapper.sh after pip install?

I'm trying to setup virtualenvwrapper on OSX, and all the instructions and tutorials I've found tell me to add a source command to .profile, pointing towards virtualenvwrapper.sh. I've checked all the python and site-packages directories, and I can't find any virtualenvwrapper.sh. Is this something ...
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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?

I can take a guess based on the names, but what specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX? ...
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How to join NSArray elements into an NSString?

Given an NSArray of NSStrings, is there a quick way to join them together into a single NSString (with a Separator)? 3 Answ...
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Sending “User-agent” using Requests library in Python

I want to send a value for "User-agent" while requesting a webpage using Python Requests. I am not sure is if it is okay to send this as a part of the header, as in the code below: ...
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What Content-Type value should I send for my XML sitemap?

I thought I should send "text/xml", but then I read that I should send "application/xml". Does it matter? Can someone explain the difference? ...
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Auto column width in EPPlus

How to make columns to be auto width when texts in columns are long? 10 Answers 10 ...
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Live character count for EditText

I was wondering what the best way to do a live character count of an edit-text box is in Android. I was looking at this but I couldn't seem to make any sense of it. ...
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How to print an exception in Python?

How can I print the error/exception in my except: block? 8 Answers 8 ...
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How do I convert datetime to ISO 8601 in PHP

How do I convert my time from 2010-12-30 23:21:46 to ISO 8601 date format? (-_-;) 6 Answers ...
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Does R have an assert statement as in python?

a statement that checks if something is true and if not prints a given error message and exits 3 Answers ...