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Best way to add page specific JavaScript in a Rails 3 app?
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@AJP it is messier, but it has one less http request to make than your answer.
– lulalala
Mar 7 '12 at 1:35
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What happens if a Android Service is started multiple times?
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The Service will only run in one instance. However, everytime you start the service, the onStartCommand() method is called.
This is documented here
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Various ways to remove local Git changes
I just cloned a git repository and checked out a branch. I worked on it, and then decided to remove all my local changes, as I wanted the original copy.
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Why are arrays of references illegal?
...s so conspicuously absent from this & similar discussions - is that if one had an array of references, how would one possibly disambiguate between the address of an element & the address of its referent? The immediate objection to 'You can't put a reference in an array/container/whatever' is...
Move an item inside a list?
...,4,5,6,7,8,9], how to transform it to [1,2,[3,4,5],6,7,8,9]? Can this be done in one step or with a list comprehension?
– g33kz0r
Feb 21 '13 at 19:04
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JavaScript function to add X months to a date
...Add twelve months to February 29th 2020 (should be February 28th 2021)
Add one month to August 31st 2020 (should be September 30th 2020)
If the day of the month changes when applying setMonth, then we know we have overflowed into the following month due to a difference in month length. In this cas...
How to convert a Java 8 Stream to an Array?
...ger (the size) as argument, and returns a String[], which is exactly what (one of the overloads of) new String[] does.
You could also write your own IntFunction:
Stream<String> stringStream = ...;
String[] stringArray = stringStream.toArray(size -> new String[size]);
The purpose of the ...
Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
One of the most interesting projects I've worked on in the past couple of years was a project about image processing . The goal was to develop a system to be able to recognize Coca-Cola 'cans' (note that I'm stressing the word 'cans', you'll see why in a minute). You can see a sample below, with ...
IPN vs PDT in Paypal
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Implement both and get the best of both worlds. But if you're only doing one, IPN is the reliable one.
One catch: if you implement both then there's a chance your payments could be processed twice. Take care to ensure that doesn't happen. The application I wrote handles the PDT and IPN almost i...
Accessing class variables from a list comprehension in the class definition
...ython 2 or 3
y = {x: x for i in range(1)}
The (small) exception; or, why one part may still work
There's one part of a comprehension or generator expression that executes in the surrounding scope, regardless of Python version. That would be the expression for the outermost iterable. In your examp...