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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...ixel.
UArrays pack Bools as bits, Vector uses the instance for Bool which does do bit packing, instead using a representation based on Word8. Howver, it is easy to write a bit-packing implementation for vectors -- here is one, from the (obsolete) uvector library. Under the hood, Repa uses Vectors, ...
How to call a function from a string stored in a variable?
...ould I void function definition error if the the function was not defined? Does if($functionName) enough?
– SaidbakR
May 2 '13 at 9:27
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Reading a plain text file in Java
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Files.lines(…).forEach(…) does not preserve order of lines but is executed in parallel, @Dash. If the order is important, you can use Files.lines(…).forEachOrdered(…), which should preserve the order (did not verify though).
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No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
...specify exactly where that goes? I have the following code in my server. Does it go right after this? var app = require('express')() , server = require('http').createServer(app) , io = require('socket.io').listen(server) , request = require("request") , url = require("url"); server.listen...
Logger slf4j advantages of formatting with {} instead of string concatenation
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Short version: Yes it is faster, with less code!
String concatenation does a lot of work without knowing if it is needed or not (the traditional "is debugging enabled" test known from log4j), and should be avoided if possible, as the {} allows delaying the toString() call and string constructio...
The quest for the Excel custom function tooltip
...s using Application.MacroOptions ( VBA6 ) ( VBA7 ), but this information does not actually appear as a tooltip, so it does not solve my problem.
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How to move an element into another element?
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does the appenTo create a copy or actually moves the whole div to the destination? (because if it copies, it would create erros when calling the div by the id)
– user1031721
Jul 12 '12 a...
Check if a value is in an array (C#)
...thods internally, but from the coders point of view all that is hidden and does not need to be worried about.
– Trisped
Nov 6 '12 at 19:29
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Transferring ownership of an iPhone app on the app store
... know that we'll be selling the app to another company in the near future. Does anyone have any experience with moving an app's ownership to another account?
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creating a strikethrough text?
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@ΕГИІИО what does the ~ symbol mean?
– Mathieu Castets
Oct 25 '13 at 15:59
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