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Check if a table exists in Rails
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edited Mar 29 '17 at 2:24
answered Jul 5 '11 at 23:49
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Add a fragment to the URL without causing a redirect?
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170
window.location.hash = 'something';
That is just plain JavaScript.
Your comment...
Hi, ...
postgresql - sql - count of `true` values
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Transitions with GStreamer Editing Services freezes, but works OK without transitions
...var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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109
From http://www.sitepoint.com/javascript-truthy-falsy/
The following values are always falsy:...
Sort hash by key, return hash in Ruby
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Akka Kill vs. Stop vs. Poison Pill?
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edited Sep 15 '14 at 20:16
Kamiel Wanrooij
11.1k55 gold badges3131 silver badges4141 bronze badges
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Return two and more values from a method
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160
def sumdiff(x, y)
return x+y, x-y
end
#=> nil
sumdiff(3, 4)
#=> [7, -1]
a = sumdiff(...