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Unit testing void methods?
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edited May 23 '17 at 11:47
Community♦
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answered Oct 29 '08 at 7:39
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...ith rails 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
bu...
Android Studio: Default project directory
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answered Jul 30 '13 at 12:43
Rik MartinsRik Martins
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How to sum up an array of integers in C#
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Provided that you can use .NET 3.5 (or newer) and LINQ, try
int sum = arr.Sum();
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Using Tint color on UIImageView
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237
Instead of this code:
[image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
you...
Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
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answered Jun 21 '12 at 23:16
piggybackpiggyback
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How to remove unused imports in Intellij IDEA on commit?
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answered Sep 25 '12 at 14:37
Peter LawreyPeter Lawrey
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What is the difference between a directory and a folder?
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93
Check "The folder metaphor" section at Wikipedia. It states:
There is a difference between a di...
Using i and j as variables in Matlab
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answered Feb 9 '13 at 19:40
Oliver CharlesworthOliver Charlesworth
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How do I check if a variable exists?
I want to check if a variable exists. Now I'm doing something like this:
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