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Optimise PostgreSQL for fast testing
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edited May 23 '17 at 11:54
Community♦
111 silver badge
answered Feb 23 '12 at 5:57
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How to bind a List to a ComboBox?
... Mitch WheatMitch Wheat
274k3939 gold badges435435 silver badges516516 bronze badges
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Why is XOR the default way to combine hashes?
...andom (1-bit) inputs, the AND function output probability distribution is 75% 0 and 25% 1. Conversely, OR is 25% 0 and 75% 1.
The XOR function is 50% 0 and 50% 1, therefore it is good for combining uniform probability distributions.
This can be seen by writing out truth tables:
a | b | a AND b
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How do you remove duplicates from a list whilst preserving order?
...uld be better off with an ordered set: http://code.activestate.com/recipes/528878/
O(1) insertion, deletion and member-check per operation.
(Small additional note: seen.add() always returns None, so the or above is there only as a way to attempt a set update, and not as an integral part of the log...
Get JavaScript object from array of objects by value of property [duplicate]
...lter()
const jsObjects = [
{a: 1, b: 2},
{a: 3, b: 4},
{a: 5, b: 6},
{a: 7, b: 8}
]
let result = jsObjects.filter(obj => {
return obj.b === 6
})
console.log(result)
Find the value of the first element/object in the array, otherwise undefined is returned.
var...
Is there a standard naming convention for git tags? [closed]
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edited May 16 '18 at 10:45
Adam Spiers
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answered...
How to get datetime in JavaScript?
How to get date time in JavaScript with format 31/12/2010 03:55 AM?
7 Answers
7
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Is there a numpy builtin to reject outliers from a list
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eumiroeumiro
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Proper practice for subclassing UIView?
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Cœur
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answered Apr 12 '13 at 19:02
Gabriele Petrone...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...and the second implements IEnumerable and my question scope is within EF 5.
4 Answers
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