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Check variable equality against a list of values
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13 Answers
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angular ng-repeat in reverse
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329
I would suggest using a custom filter such as this:
app.filter('reverse', function() {
retu...
Revert the `--no-site-packages` option with virtualenv
...nvironment.
Where venv is the name of your virtual environment, and python3.4 corresponds to whichever version of python involved, for example:
$ rm venv/lib/python3.4/no-global-site-packages.txt
And if you change your mind and want to put it back:
$ touch venv/lib/python3.4/no-global-site-pack...
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
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305
Any class in your application can become an "observer" for different notifications in the appl...
Html code as IFRAME source rather than a URL
...></html>
can be encoded as this:
data:text/html;charset=utf-8,%3Chtml%3E%3Cbody%3Efoo%3C/body%3E%3C/html%3E
and then set as the src attribute of the iframe. Example.
Edit: The other alternative is to do this with Javascript. This is almost certainly the technique I'd choose. You ...
Why covariance and contravariance do not support value type
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answered Sep 17 '12 at 7:37
Jon SkeetJon Skeet
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Open Graph namespace declaration: HTML with XMLNS or head prefix?
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edited Aug 14 '13 at 5:42
Matt Beckman
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Emacs - Multiple columns one buffer
...ame with just one window, split it into two side-by-side windows using C-x 3, and then type M-x follow-mode. From then on, you can edit the buffer in either of the two windows, or scroll either one; the other window follows it.
In Follow mode, if you move point outside the portion visible in one wi...
Regular expression: find spaces (tabs/space) but not newlines
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answered Aug 27 '10 at 10:03
LekensteynLekensteyn
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Check if object value exists within a Javascript array of objects and if not add a new object to arr
...nst arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }];
function add(arr, name) {
const { length } = arr;
const id = length + 1;
const found = arr.some(el => el.username === name);
if (!found) arr.push({ id, username: name });
return arr...