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Error while installing json gem 'mkmf.rb can't find header files for ruby'
...ll ruby2.0-dev
sudo apt-get install ruby2.2-dev
sudo apt-get install ruby2.3-dev
or, generic way:
sudo apt-get install ruby-dev
or
sudo apt-get install ruby`ruby -e 'puts RUBY_VERSION[/\d+\.\d+/]'`-dev
The first link you’ve posted is exactly your case: there is no ruby development...
How to install latest version of git on CentOS 7.x/6.x
...
362
You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7
Inst...
Using helpers in model: how do I include helper dependencies?
...
134
Just change the first line as follows :
include ActionView::Helpers
that will make it works....
Improve INSERT-per-second performance of SQLite
...#pragma_journal_mode
– OneWorld
Jan 31 '14 at 8:52
4
It's been a while, my suggestions applied fo...
Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...etime.utcnow().replace(tzinfo=simple_utc()).isoformat()
'2014-05-16T22:51:53.015001+00:00'
Note that this DOES conform to the ISO 8601 format, which allows for either Z or +00:00 as the suffix for UTC. Note that the latter actually conforms to the standard better, with how time zones are represent...
Find and replace string values in list
... a float/integer?
– Patriots299
Dec 31 '18 at 20:38
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How to programmatically display version/build number of target in iOS app?
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394
There are 2 Numbers!
The marketing release number is for the customers, called version number...
Difference between passing array and array pointer into function in C
...
3 Answers
3
Active
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how to break the _.each function in underscore.js
...s, you could do something convoluted like this (link to JSFiddle):
[1, 2, 3, 4].every(function(n) {
alert(n);
return n !== 3;
});
This will alert 1 through 3, and then "break" out of the loop.
You're using underscore.js, so you'll be pleased to learn that it does provide an every method...