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Cartesian product of multiple arrays in JavaScript
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2020 Update: 1-line (!) answer with vanilla JS
Original 2017 Answer: 2-line answer with vanilla JS:
(see updates below)
All of the answers here are overly complicated, most of them take 20 lines of code or even more.
This example uses just two lines of vani...
How to train an artificial neural network to play Diablo 2 using visual input?
...video game and and I was hoping to get some help from the wonderful community here.
7 Answers
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What is the C runtime library?
What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
Behaviour of increment and decrement operators in Python
...ncrement/decrement operator can be applied on a variable (like ++count ). It compiles, but it does not actually change the value of the variable!
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Understanding Canvas and Surface concepts
...s of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android.
3 Answe...
Does Python have a package/module management system?
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Recent progress
March 2014: Good news! Python 3.4 ships with Pip. Pip has long been Python's de-facto standard package manager. You can install a package like this:
pip install httpie
Wahey! This is the best feature of any Python release. It makes the community's wealth of libra...
How do I add the contents of an iterable to a set?
What is the "one [...] obvious way" to add all items of an iterable to an existing set ?
6 Answers
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What is the use case of noop [:] in bash?
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It's there more for historical reasons. The colon builtin : is exactly equivalent to true. It's traditional to use true when the return value is important, for example in an infinite loop:
while true; do
echo 'Going on for...
Laravel redirect back to original destination after login
...t the time of this answer there was no official support from the framework itself. Nowadays you can use the method pointed out by bgdrl below this method: (I've tried updating his answer, but it seems he won't accept)
On auth filter:
// redirect the user to "/login"
// and stores the url being acc...
Forward declaration of nested types/classes in C++
I recently got stuck in a situation like this:
7 Answers
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