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Create an array with same element repeated multiple times
...can work with arrays):
function fillArray(value, len) {
var arr = [];
for (var i = 0; i < len; i++) {
arr.push(value);
}
return arr;
}
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Turn a string into a valid filename?
...
You can look at the Django framework for how they create a "slug" from arbitrary text. A slug is URL- and filename- friendly.
The Django text utils define a function, slugify(), that's probably the gold standard for this kind of thing. Essentially, their code...
How can I find the number of arguments of a Python function?
...d as of Python 3.0. Instead of using inspect.getargspec you should now opt for the Signature class which superseded it.
Creating a Signature for the function is easy via the signature function:
from inspect import signature
def someMethod(self, arg1, kwarg1=None):
pass
sig = signature(someM...
Adding :default => true to boolean in existing Rails column
...can't call it like that in the console.
If you want to add a default value for this column, create a new migration:
rails g migration add_default_value_to_show_attribute
Then in the migration created:
# That's the more generic way to change a column
def up
change_column :profiles, :show_attribute,...
AngularJS For Loop with Numbers & Ranges
Angular does provide some support for a for loop using numbers within its HTML directives:
24 Answers
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Writing unit tests in Python: How do I start? [closed]
...pleted my first proper project in Python and now my task is to write tests for it.
7 Answers
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Multiple returns from a function
...ay and return it; create a conditional to return a dynamic variable, etc.
For instance, this function would return $var2
function wtf($blahblah = true) {
$var1 = "ONe";
$var2 = "tWo";
if($blahblah === true) {
return $var2;
}
return $var1;
}
In application:
echo wtf();...
Tracking Google Analytics Page Views with AngularJS
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If you're using ng-view in your Angular app you can listen for the $viewContentLoaded event and push a tracking event to Google Analytics.
Assuming you've set up your tracking code in your main index.html file with a name of var _gaq and MyCtrl is what you've defined in the ng-contr...
What is the purpose of double curly braces in React's JSX syntax?
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@BenRoberts Great, thank you! Unfortunately I'm out in California these days but feel free to drop by the #reactjs IRC room on freenode and I'd be happy to answer questions.
– Sophie Alpert
Mar 27 '14 at 4:39
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parsing JSONP $http.jsonp() response in angular.js
...r 1.6
You can no longer use the JSON_CALLBACK string as a placeholder for
specifying where the callback parameter value should go
You must now define the callback like so:
$http.jsonp('some/trusted/url', {jsonpCallbackParam: 'callback'})
Change/access/declare param via $http.defaults.json...