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Unique constraint that allows empty values in MySQL
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Yes, you can do this. See the MySQL reference (version 5.5).
A UNIQUE index creates a cons...
How can I remove a pytz timezone from a datetime object?
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
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ASN.1 is an ISO/ISE standard. It has a very readable source language and a variety of back-ends, both binary and human-readable. Being an international standard (and an old one at that!) the source language is a bit kitchen-sin...
Bash script to receive and repass quoted parameters
... level of quoting at all. I.E. just call the above script like:
./test.sh 1 2 "3 4"
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A gentle tutorial to Emacs/Swank/Paredit for Clojure
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[Edit from non-author: this is from 2010, and the process has been significantly simplified since May 2011. I'll add a post to this answer with my setup notes as of Feb 2012.]
You'll need to put together a few pieces: Emacs, SLIME (which works perfectly well wit...
How to center align the ActionBar title in Android?
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git rebase fatal: Needed a single revision
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You need to provide the name of a branch (or other commit identifier), not the name of a remot...
Change a column type from Date to DateTime during ROR migration
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First in your terminal:
rails g migration change_date_format_in_my_table
Then in your migrat...
C#: How to convert a list of objects to a list of a single property of that object?
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List<string> firstNames = people.Select(person => person.FirstName).ToList();
And w...
How to redirect to Index from another controller?
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answered Oct 25 '11 at 15:59
musefanmusefan
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