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How to find and return a duplicate value in array
... First, we need an array for testing:
CAPS = ('AAA'..'ZZZ').to_a.first(10_000)
def test_array(nelements, ndups)
arr = CAPS[0, nelements-ndups]
arr = arr.concat(arr[0,ndups]).shuffle
end
and a method to run the benchmarks for different test arrays:
require 'fruity'
def benchmark(nelements, n...
How can I run a function from a script in command line?
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answered Jan 11 '12 at 11:03
Sven MarnachSven Marnach
446k100100 gold badges833833 silver badges753753 bronze badges
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Hash and salt passwords in C#
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* Version 3:
* PBKDF2 with HMAC-SHA256, 128-bit salt, 256-bit subkey, 10000 iterations.
* Format: { 0x01, prf (UInt32), iter count (UInt32), salt length (UInt32), salt, subkey }
* (All UInt32s are stored big-endian.)
*/
public string HashPassword(string password)
{
var prf = KeyDerivatio...
How do I implement basic “Long Polling”?
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<style type="text/css" media="screen">
body{ background:#000;color:#fff;font-size:.9em; }
.msg{ background:#aaa;padding:.2em; border-bottom:1px #000 solid}
.old{ background-color:#246499;}
.new{ background-color:#3B9957;}
.error{ background-color:#992E36;}
...
How to format numbers as currency string?
...ofits.toFixed(2) //returns 2489.82
profits.toFixed(7) //returns 2489.8237000 (pads the decimals)
All you need is to add the currency symbol (e.g. "$" + profits.toFixed(2)) and you will have your amount in dollars.
Custom function
If you require the use of , between each digit, you can use this...
What is the difference between range and xrange functions in Python 2.X?
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CharlesCharles
8,40211 gold badge1414 silver badges44 bronze badges
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Convert Enum to String
...meof(someEnumvalue );
– Squibly
Nov 11 '19 at 5:41
1
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How to check if mod_rewrite is enabled in php?
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Community♦
111 silver badge
answered Jan 26 '12 at 16:28
Shankar DamodaranShankar Damodaran
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The definitive guide to form-based website authentication [closed]
...er makes causes multiple repetitions of the hash algorithm, for example 10,000 times, which causes the attacker to guess the password 10,000 times slower.
Session data - "You are logged in as Spiderman69"
Once the server has verified the login and password against your user database and found a matc...
How to print the full NumPy array, without truncation?
...ld=1000)
– Friendly Fella
Jun 20 at 11:52
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