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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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How can I get zoom functionality for images?
...
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...
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...
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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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...
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...
OAuth with Verification in .NET
...ny, there's a special name and it looks like a "standard" but as far as I know the only service that implements "OAuth 1.0a" is Twitter. I guess that's standard enough. ok, anyway in OAuth 1.0a, the way it works for desktop apps is this:
You, the developer of the app, register the app and get a...
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 ...
UINavigationBar custom back button without title
...evious view controller). The newly pushed view controller back button will now show whatever you put for initWithTitle, which in this case is an empty string.
share
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Remove unused references (!= “using”)
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Nice extensive answer. What's weird is that although you know I'm not referring to the using statements (that clean-up is standard in VS, don't get why R# re-invented that) you answer that question first. Would you mind switching the two around?
– Boris Callens...