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MySQL Creating tables with Foreign Keys giving errno: 150

I am trying to create a table in MySQL with two foreign keys, which reference the primary keys in 2 other tables, but I am getting an errno: 150 error and it will not create the table. ...
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Why can't an anonymous method be assigned to var?

I have the following code: 7 Answers 7 ...
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How to install Android SDK Build Tools on the command line?

I want to setup the Android dev environment from command line, and encounter the following issue: 19 Answers ...
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Explode string by one or more spaces or tabs

How can I explode a string by one or more spaces or tabs? 10 Answers 10 ...
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Select N random elements from a List in C#

I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> . ...
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How can I rename a database column in a Ruby on Rails migration?

I wrongly named a column hased_password instead of hashed_password . 26 Answers 26 ...
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Entity Framework Join 3 Tables

I'm trying to join three tables but I can't understand the method... 2 Answers 2 ...
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@property retain, assign, copy, nonatomic in Objective-C

As someone that's new to Objective-C can someone give me an overview of the retain, assign, copy and any others I'm missing, that follow the @property directive? What are they doing and why would I want to use one over another? ...
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Vim: Creating parent directories on save

If I invoke vim foo/bar/somefile but foo/bar don't already exist, Vim refuses to save. 6 Answers ...
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How to replace text between quotes in vi

Say I have this line of code: 6 Answers 6 ...