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Ruby on Rails Callback, what is difference between :before_save and :before_create?
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before_validation_on_create and after_validation_on_create are removed as of Rails 3, instead use before_validation and after_validation re...
What do helper and helper_method do?
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297
The method helper_method is to explicitly share some methods defined in the controller to make...
Simple basic explanation of a Distributed Hash Table (DHT)
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240
Ok, they're fundamentally a pretty simple idea. A DHT gives you a dictionary-like interface, b...
RSpec: how to test if a method was called?
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answered Jan 21 '14 at 16:01
wackowacko
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twig: IF with multiple conditions
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287
If I recall correctly Twig doesn't support || and && operators, but requires or and an...
Why does z-index not work?
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edited Oct 11 '19 at 12:38
LinusGeffarth
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Default constructor vs. inline field initialization
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answered Feb 6 '11 at 23:00
davindavin
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Twig for loop for arrays with keys
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328
I found the answer :
{% for key,value in array_path %}
Key : {{ key }}
Value : {{ val...
How do I rename all files to lowercase?
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edited Jun 4 '16 at 7:12
answered Oct 16 '11 at 20:39
wj...
Determine device (iPhone, iPod Touch) with iOS
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