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How do you know when to use fold-left and when to use fold-right?
...re, you use a left fold. Example (haskell-style pseudocode)
foldl (-) [1, 2, 3] == (1 - 2) - 3 == 1 - 2 - 3 // - is left-associative
If your operator is right-associative (right fold), the parentheses would be set like this:
A x (B x (C x D))
Example: Cons-Operator
foldr (:) [] [1, 2, 3] == 1...
How to copy a dictionary and only edit the copy
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20 Answers
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How to get a DOM Element from a JQuery Selector
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266
You can access the raw DOM element with:
$("table").get(0);
or more simply:
$("table")[0];...
How in node to split string by newline ('\n')?
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247
Try splitting on a regex like /\r?\n/ to be usable by both Windows and UNIX systems.
> "a\...
Spring schemaLocation fails when there is no internet connection
...problem was probably that the spring-context jar on your classpath was not 2.1. That was why changing the protocol to classpath: and putting the specific 2.1 XSD in your classpath fixed the problem.
From what I've seen, there are 2 schemas defined for the main XSD contained in a spring-* jar. Once...
Count how many files in directory PHP
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266
You can simply do the following :
$fi = new FilesystemIterator(__DIR__, FilesystemIterator::S...
Check whether an array is a subset of another
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258
bool isSubset = !t2.Except(t1).Any();
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What's the difference between a single precision and double precision floating point operation?
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215
Note: the Nintendo 64 does have a 64-bit processor, however:
Many games took advantage of ...
Execute raw SQL using Doctrine 2
I want to execute raw SQL using Doctrine 2
8 Answers
8
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Move entire line up and down in Vim
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82
Put the following to your .vimrc to do the job
noremap <c-s-up> :call feedkeys( line('.')...