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Difference between `mod` and `rem` in Haskell
What exactly is the difference between mod and rem in Haskell?
4 Answers
4
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
There are at least three popular libraries for accessing and manipulating fields of records. The ones I know of are: data-accessor, fclabels and lenses.
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What does %5B and %5D in POST requests stand for?
...over here: str='foo%20%5B12%5D' encodes foo [12]:
%20 is space
%5B is '['
and %5D is ']'
This is called percent encoding and is used in encoding special characters in the url parameter values.
EDIT By the way as I was reading https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_O...
Positions fixed doesn't work when using -webkit-transform
I am using -webkit-transform (and -moz-transform / -o-transform) to rotate a div. Also have position fixed added so the div scrols down with the user.
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How to watch for array changes?
...-based assignment? I want something that would fire an event that I could handle.
10 Answers
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What is the closest thing Windows has to fork()?
...ss call. Next, the parent
process calls setjmp to save its own
context and sets a pointer to this in
a Cygwin shared memory area (shared
among all Cygwin tasks). It then fills
in the child's .data and .bss sections
by copying from its own address space
into the suspended child's addres...
Python multiprocessing pool.map for multiple arguments
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The answer to this is version- and situation-dependent. The most general answer for recent versions of Python (since 3.3) was first described below by J.F. Sebastian.1 It uses the Pool.starmap method, which accepts a sequence of argument tuples. It then au...
find: missing argument to -exec
I was helped out today with a command, but it doesn't seem to be working. This is the command:
10 Answers
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what exactly is device pixel ratio?
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Short answer
The device pixel ratio is the ratio between physical pixels and logical pixels. For instance, the iPhone 4 and iPhone 4S report a device pixel ratio of 2, because the physical linear resolution is double the logical linear resolution.
Physical resolution: 960 x 640
Logical resolutio...
C# - Keyword usage virtual+override vs. new
What are differences between declaring a method in a base type " virtual " and then overriding it in a child type using the " override " keyword as opposed to simply using the " new " keyword when declaring the matching method in the child type?
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