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URL to load resources from the classpath in Java
...ndler extends URLStreamHandler {
/** The classloader to find resources from. */
private final ClassLoader classLoader;
public Handler() {
this.classLoader = getClass().getClassLoader();
}
public Handler(ClassLoader classLoader) {
this.classLoader = classLoader;
...
Problems with Android Fragment back stack
...can we prevent this behaviour without resorting to hacky ways like the one from DexterMoon, or the one from Nemanja using popBackStack which shows the Fragment while playing the transition animation?
– momo
Sep 27 '13 at 7:31
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How can I push to my fork from a clone of the original repo?
...you want to tell Git that git push should push to myrepo instead of origin from now on, you should run
git push -u myrepo master
instead.
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Circle-Rectangle collision detection (intersection)
... implement too: one way would be to check if the foot of the perpendicular from P to the line is close enough and between the endpoints, and check the endpoints otherwise.
The cool thing is that the same idea works not just for rectangles but for the intersection of a circle with any simple polygon...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
...ed clique of n + 1 nodes. Even though there's clearly just one simple path from A to B, a naïve DFS will waste O(n!) time uselessly exploring the clique. Similar examples (one solution, DFS takes exponential time) can be found among DAGs, too.
– Ilmari Karonen
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What's the difference between a file descriptor and file pointer?
...ot. In practice, you want to use FILE * almost always when you are reading from a 'real' file (ie. on the drive), unless you know what you are doing or unless your file is actually a socket or so..
You can get the file descriptor from the FILE * using fileno() and you can open a buffered FILE * fro...
Setting DIV width and height in JavaScript
...omized.
This technique follows the rule of separating your content (HTML) from your behavior (JavaScript), and your presentation (CSS).
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subtract two times in python
...
Try this:
from datetime import datetime, date
datetime.combine(date.today(), exit) - datetime.combine(date.today(), enter)
combine builds a datetime, that can be subtracted.
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Shall we always use [unowned self] inside closure in Swift
...e class owns something that owns the closure.
Specifically in the example from the video
In the example on the slide, TempNotifier owns the closure through the onChange member variable. If they did not declare self as unowned, the closure would also own self creating a strong reference cycle.
Dif...
To underscore or to not to underscore, that is the question
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I'm using underscores. It is easier to distinguish them from the arguments and local variables.
– Rinat Abdullin
Jan 16 '09 at 19:12
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