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How do I clone a Django model instance object and save it to the database?
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Worth noting that this quotes Django 1.2, we're now up to Django 1.4. Haven't tested whether or not this works, but don't use this answer without being sure that it works for you.
– Joe
Oct 4 '12 at 11:37
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What “things” can be injected into others in Angular.js?
...{
$scope.onClick = function() {
greeting('Ford Prefect');
};
});
Now here's the trick. factory, service, and value are all just shortcuts to define various parts of a provider--that is, they provide a means of defining a provider without having to type all that stuff out. For example, you ...
How to select last two characters of a string
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EDIT: 2020: use string.slice(-2) as others say - see below.
now 2016 just string.substr(-2) should do the trick (not substring(!))
taken from MDN
Syntax
str.substr(start[, length])
Parameters
start
Location at which to begin extracting characters. If a negati...
Update multiple rows in same query using PostgreSQL
...ate table results_dummy (id int, status text, created_at timestamp default now(), updated_at timestamp default now());
-- populate table with dummy rows
insert into results_dummy
(id, status)
select unnest(array[1,2,3,4,5]::int[]) as id, unnest(array['a','b','c','d','e']::text[]) as status;
select ...
What's the fastest way to loop through an array in JavaScript?
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The blog post this answer is based on is now almost 4 years old, and a lot has changed in js engines in that time, see my answer below for an updated comparison.
– jondavidjohn
Aug 31 '11 at 3:01
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What is VanillaJS?
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FYI: Vanilla JS is now 0 bytes, 25 bytes compressed.
– Trisped
Jun 19 '15 at 22:09
8
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Can someone explain this 'double negative' trick? [duplicate]
...e whether it's confusing or not. I personally find it highly intuitive to know what's "falsey" and what's "truthy" when cast to a Boolean.
– Chris
Jul 30 '13 at 3:15
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SHA512 vs. Blowfish and Bcrypt [closed]
...ccur through an implementation flaw, not cryptanalysis.
If you insist on knowing which is "better", SHA-512 has had in-depth reviews by NIST and others. It's good, but flaws have been recognized that, while not exploitable now, have led to the the SHA-3 competition for new hash algorithms. Also, ke...
Enabling HTTPS on express.js
...ert: cert
};
app = express()
app.get('/', (req, res) => {
res.send('Now using https..');
});
var server = https.createServer(options, app);
server.listen(port, () => {
console.log("server starting on port : " + port)
});
Finally run your application using https.
More informatio...
How can I get zoom functionality for images?
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UPDATE
I've just given TouchImageView a new update. It now includes Double Tap Zoom and Fling in addition to Panning and Pinch Zoom. The code below is very dated. You can check out the github project to get the latest code.
USAGE
Place TouchImageView.java in your project. It ca...