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Dynamic cell width of UICollectionView depending on label width
...ne issue. When I uncomment [cell.myLabel sizeToFit] I have words truncated and letters cut at the bottom but it becomes ok after I scroll (words have they normal size and letters jump up a bit). If I comment and disable [cell.myLabel sizeToFit] message (I decided to play around with IB and it works ...
How do I parse a URL into hostname and path in javascript?
...("http://example.com/aa/bb/")
Returns an object with properties hostname and pathname, along with a few others.
The first argument is a relative or absolute URL; if it's relative, then you need to specify the second argument (the base URL). For example, for a URL relative to the current page:
ne...
Add and remove multiple classes in jQuery
I'm trying to add and remove multiple classes on a text field by clicking different radio buttons. I'm not able to remove the unwanted classes while switching between different radio buttons.
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When to use next() and return next() in Node.js
...eturn next();
// do something
});
It saves me an indentation level, and when I read the code again later, I'm sure there is no way next is called twice.
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Stop form refreshing page on submit
...fault();
});
Of course, in the function, you can check for empty fields, and if anything doesn't look right, e.preventDefault() will stop the submit.
Without jQuery:
var form = document.getElementById("myForm");
function handleForm(event) { event.preventDefault(); }
form.addEventListener('submi...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
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Web Sockets is not part of HTML5 anymore, but a standalone specification.
– Sergey Ilinsky
Jun 23 '09 at 12:18
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How do you clear a slice in Go?
...- memory not used, but potentially reachable (after re-slicing of 'slice') and thus not garbage "collectable".
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Cannot add or update a child row: a foreign key constraint fails
... not sure what the downvote is for; my answer is perfectly valid and correct.
– Brian Driscoll
Feb 15 '11 at 15:20
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Is GET data also encrypted in HTTPS?
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The entire request is encrypted, including the URL, and even the command (GET). The only thing an intervening party such as a proxy server can glean is the destination address and port.
Note, however, that the Client Hello packet of a TLS handshake can advertise the fully qua...
Checking images for similarity with OpenCV
... entire research magazines.
I will outline the most common such techniques and their results.
Comparing histograms
One of the simplest & fastest methods. Proposed decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of p...