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Toggle input disabled attribute using jQuery
...return this.each(function() {
var $this = $(this);
if ($this.attr('disabled')) $this.removeAttr('disabled');
else $this.attr('disabled', 'disabled');
});
};
})(jQuery);
Example link.
EDIT: updated the example link/code to maintaining chainability!...
Why does pylint object to single character variable names?
...n [customer_address for customer_address in thing.get_customer_addresses() if customer_address.is_proper()] vs return [a for a in thing.get_customer_addresses() if a.is_proper()] I claim the latter is more clear, as a is obvious from the context. In general, variable length should correlate ...
HTML5 check if audio is playing?
What's the javascript api for checking if an html5 audio element is currently playing?
9 Answers
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Is there a way to suppress JSHint warning for one given line?
...Hint Sublime Text 2/3 plugins to work, you will need to upgrade jshint specifically in the ST package folder. (I specifically ran in to this with JSHint Gutter)
– Josh
Nov 15 '13 at 16:19
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Sort objects in an array alphabetically on one property of the array
... to shunt the work of managing sort logic and locale quirks to the system. If doing a case-insensitive sort is normal for the locale, as it is in english, this will be done for you: "Z" > 'a' // false "Z".localeCompare('a') // 1 If you wish to deviate from the locale's default, you can send alo...
Tuning nginx worker_process to obtain 100k hits per min
...worker_rlimit_nofile 20000; # Each connection needs a filehandle (or 2 if you are proxying)
# Total amount of users you can serve = worker_processes * worker_connections
more info: Optimizing nginx for high traffic loads
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Git hangs while writing objects
... behavior. I restarted my system and this seemed to resolve things...FYI...if anyone is still hitting issues after increasing their buffer, restarting my system helped in my situation (old school solution none the less but a fresh restart really helped).
– twknab
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How do you delete an ActiveRecord object?
...out a primary key
Note: from @hammady's comment, user.destroy won't work if User model has no primary key.
Note 2: From @pavel-chuchuva's comment, destroy_all with conditions and delete_all with conditions has been deprecated in Rails 5.1 - see guides.rubyonrails.org/5_1_release_notes.html
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Rails - controller action name to string
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If you want to use this in a before_filter with a block, do before_filter { |controller| ... }. stackoverflow.com/questions/2669663/…
– Benjamin Oakes
Feb 5 '13 at 17:43
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Drop data frame columns by name
...hose still not acquainted with the drop argument of the indexing function, if you want to keep one column as a data frame, you do:
keeps <- "y"
DF[ , keeps, drop = FALSE]
drop=TRUE (or not mentioning it) will drop unnecessary dimensions, and hence return a vector with the values of column y.
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