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How do you check whether a number is divisible by another number (Python)?
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You do this using the modulus operator, %
n % k == 0
evaluates true if and only if n is an exact multiple of k. In elementary maths this is known as the remainder from a division.
In your current approach you perform a division and the result will be either
always a...
How to remove the querystring and get only the url?
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You can use strtok to get string before first occurence of ?
$url = strtok($_SERVER["REQUEST_URI"], '?');
strtok() represents the most concise technique to directly extract the substring before the ? in the querystring. explode() is less ...
Most efficient way to reverse a numpy array
...nt code, the repetitive operation of numpy array reversion ate a giant chunk of the running time. What I have right now is the common view-based method:
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Algorithms based on number base systems? [closed]
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Chris Okasaki has a very good chapter in his book Purely Functional Data Structures that discusses "Numerical Representations": essentially, take some representation of a number and convert it into a data structure. To give a flavor...
What does %~d0 mean in a Windows batch file?
I'm looking at a batch file which defines the following variables:
9 Answers
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Positioning element at center of screen
...qual and space left on 'right' and 'left' sides should be equal. I would like to accomplish this with only CSS.
13 Answers
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Further understanding setRetainInstance(true)
...a Fragment ? The documentation is virtually non-existent and this seems like a very important function. Specifically I want to know how much of this sequence (that I made up) is true:
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What is scaffolding? Is it a term for a particular platform?
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Scaffolding generally refers to a quickly set up skeleton for an app. It's not rails-only since other platforms have it as well. It's also not generally meant to be a "final" system; merely the first, smallest way to do it.
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Determine version of Entity Framework I am using?
...e are two versions 1 and 2? And version 2 is referred to as Entity Framework 4.0?
10 Answers
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How to get execution time in rails console?
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timing = Benchmark.measure { Post.all }
The various attributes of the object returned (Benchmark::Tms) are provided here.
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