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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's the difference between using “let” and “var”?
...le, but I'm still not quite sure how it behaves differently than the var keyword.
36 Answers
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How do I check that multiple keys are in a dict in a single pass?
I want to do something like:
19 Answers
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Can regular expressions be used to match nested patterns? [duplicate]
... write a regular expression that matches a nested pattern that occurs an unknown number of times? For example, can a regular expression match an opening and closing brace when there are an unknown number of open/close braces nested within the outer braces?
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How to create a simple map using JavaScript/JQuery [duplicate]
...ence/Global_Objects/Map
var map = new Object(); // or var map = {};
map[myKey1] = myObj1;
map[myKey2] = myObj2;
function get(k) {
return map[k];
}
//map[myKey1] == get(myKey1);
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Best way to randomize an array with .NET
... array of strings with .NET? My array contains about 500 strings and I'd like to create a new Array with the same strings but in a random order.
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Java - How to create new Entry (key, value)
I'd like to create new item that similarly to Util.Map.Entry that will contain the structure key , value .
11 Answers
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Why should hash functions use a prime number modulus?
A long time ago, I bought a data structures book off the bargain table for $1.25. In it, the explanation for a hashing function said that it should ultimately mod by a prime number because of "the nature of math".
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To switch from vertical split to horizontal split fast in Vim
...e two vertically split
windows to horizonally split
Ctrl-w t Ctrl-w K
Horizontally to vertically:
Ctrl-w t Ctrl-w H
Explanations:
Ctrl-w t makes the first (topleft) window current
Ctrl-w K moves the current window to full-width at the very top
Ctrl-w H ...
HashMap and int as key
I am trying to build a HashMap which will have integer as keys and objects as values.
11 Answers
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