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Converting string from snake_case to CamelCase in Ruby
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If you're using Rails, String#camelize is what you're looking for.
"active_record".camelize # => "ActiveRecord"
"active_record".camelize(:lower) # => "activeRecord"
If you want to get an actual class, you should use String#constantize on top of that.
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Do I need to disable NSLog before release Application?
When releasing an app for iPhone, if I disable NSLog(); will it perform better?
12 Answers
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Django Passing Custom Form Parameters to Formset
I have a Django Form that looks like this:
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Use cases for the 'setdefault' dict method
...dition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education:
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Convert nested Python dict to object?
I'm searching for an elegant way to get data using attribute access on a dict with some nested dicts and lists (i.e. javascript-style object syntax).
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Remove duplicate elements from array in Ruby
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This also works for complex types: [{how: "are"}, {u:"doing"}, {how: "are"}].uniq => [{:how=>"are"}, {:u=>"doing"}]
– Blaskovicz
Jan 30 '16 at 6:29
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Use underscore inside Angular controllers
...underscore has already been loaded on the page
}]);
And then you can ask for the _ in your app's module:
// Declare it as a dependency of your module
var app = angular.module('app', ['underscore']);
// And then inject it where you need it
app.controller('Ctrl', function($scope, _) {
// do stuf...
Inject errors into already validated form?
After my form.Form validates the user input values I pass them to a separate (external) process for further processing. This external process can potentially find further errors in the values.
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define() vs. const
...ine() accepts any expression as name. This allows to do things like this:
for ($i = 0; $i < 32; ++$i) {
define('BIT_' . $i, 1 << $i);
}
consts are always case sensitive, whereas define() allows you to define case insensitive constants by passing true as the third argument (Note: defin...
How to check whether a script is running under Node.js?
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By looking for CommonJS support, this is how the Underscore.js library does it:
Edit: to your updated question:
(function () {
// Establish the root object, `window` in the browser, or `global` on the server.
var root = this;...