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Manipulate a url string by adding GET parameters
...lse {
$url .= '?category=1';
}
More advanced
$url = 'http://example.com/search?keyword=test&category=1&tags[]=fun&tags[]=great';
$url_parts = parse_url($url);
// If URL doesn't have a query string.
if (isset($url_parts['query'])) { // Avoid 'Undefined index: query'
parse_str(...
What are the differences between a UIView and a CALayer?
...ten need to access the underlying layers for a UIView when performing more complex animations than the base UIView class allows. UIView's animation capabilities have grown as the iOS SDK has matured, but there are still a few things that are best done by interacting with the underlying CALayer.
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How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
... Funny, this post is cited here, quite interesting: haacked.com/archive/2012/07/23/…
– anhoppe
May 21 '15 at 15:41
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Where should virtualenvs be created?
...tself, since you don't want to distribute it (it might be specific to your computer or operating system). Instead, keep a requirements.txt file using pip:
pip freeze > requirements.txt
and distribute that. This will allow others using your project to reinstall all the same requirements into th...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
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git hash-object -t tree /dev/null
Or, as Ciro Santilli proposes in the comments:
printf '' | git hash-object --stdin -t tree
Or, as seen here, from Colin Schimmelfing:
git hash-object -t tree --stdin < /dev/null
So I guess it is safer to define a variable with the result of that command...
Javascript : Send JSON Object with Ajax?
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@CIRK: What's it matter? The content-type setting is completely arbitrary unless the server treats the one or the other specially. It's just data flowing back and forth at the end of the day.
– mellamokb
Jun 21 '11 at 0:14
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How do you display a Toast from a background thread on Android?
...instance, you can use simple helper-class instead, see here: stackoverflow.com/a/18280318/1891118
– Oleksii K.
Aug 28 '13 at 9:27
5
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Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?
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Java Generics Wildcarding With Multiple Classes
...t;T extends ClassA & InterfaceB>
See the Generics Tutorial at sun.com, specifically the Bounded Type Parameters section, at the bottom of the page. You can actually list more than one interface if you wish, using & InterfaceName for each one that you need.
This can get arbitrarily com...
Labels for radio buttons in rails form
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I just wanted to say that as a newcomer to Rails, I've found this answer the one I keep coming back to. It's the gift that keeps on giving. Well, until I remember the proper syntax anyway... :)
– John Gallagher
Oct 20 '1...