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Evenly space multiple views within a container view
...00 and with Height Equals to all of the other 'spacer views'. 'Spacer View 4' has a bottom space constraint to superview. Each label has a respective top and bottom constraints to its nearest 'spacer views'.
Note: Be sure you DON'T have extra top/bottom space constraints on your labels to superview...
How can I avoid running ActiveRecord callbacks?
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edited Dec 3 '10 at 4:01
answered Mar 11 '09 at 4:29
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How to install latest version of git on CentOS 7.x/6.x
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14 Answers
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Removing all empty elements from a hash / YAML?
... Please note that compact and compact! come standard in Ruby => 2.4.0, and Rails => 4.1. They are non-recursive though.
– aidan
Nov 21 '17 at 5:21
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Rails ActiveRecord date between
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Just a note that the currently accepted answer is deprecated in Rails 3. You should do this in...
ADB Shell Input Events
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By adb shell input keyevent, either an event_code or a string will be sent to the device.
usa...
How do you convert a byte array to a hexadecimal string, and vice versa?
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45 Answers
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LINQ Aggregate algorithm explained
... carries forward. etc.
Example 1. Summing numbers
var nums = new[]{1,2,3,4};
var sum = nums.Aggregate( (a,b) => a + b);
Console.WriteLine(sum); // output: 10 (1+2+3+4)
This adds 1 and 2 to make 3. Then adds 3 (result of previous) and 3 (next element in sequence) to make 6. Then adds 6 and 4 t...
What is the purpose of Looper and how to use it?
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What is Looper?
Looper is a class which is used to execute the Messages(Runnables) in a queue...