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How to set a default value for a datetime column to record creation time in a migration?
...e is a sample migration:
class CreatePosts < ActiveRecord::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.timestamps
end
end
end
See discussion at https://github.com/rails/rails/issues/27077 and an...
How do I get the number of elements in a list?
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2690
The len() function can be used with several different types in Python - both built-in types and ...
How to get WordPress post featured image URL
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20 Answers
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Return multiple values in JavaScript?
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20 Answers
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Gmail's new image caching is breaking image links in newsletter
... own proxy server. while fetching the images, GoogleImageProxy found some 404 statuses against your missing images and 403 against some protected images. GoogleImagesProxy has stored these statuses into its own proxy server.
Now tried to open your email, you noticed some 404 statuses against your ...
Rounded table corners CSS only
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90
Seems to work fine in FF and Chrome (haven't tested any others) with separate borders: http://js...
How to load up CSS files using Javascript?
...lementById(cssId))
{
var head = document.getElementsByTagName('head')[0];
var link = document.createElement('link');
link.id = cssId;
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = 'http://website.com/css/stylesheet.css';
link.media = 'all';
head.ap...
requestFeature() must be called before adding content
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edited Apr 30 '15 at 8:49
Sankar V
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Convert normal date to unix timestamp
How can I convert normal date 2012.08.10 to unix timestamp in javascript?
11 Answers
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