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#!/bin/bash | |
# bash generate random alphanumeric string | |
# | |
# bash generate random 32 character alphanumeric string (upper and lowercase) and | |
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1) | |
# bash generate random 32 character alphanumeric string (lowercase only) | |
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1 |
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// Lack of tail call optimization in JS | |
var sum = function(x, y) { | |
return y > 0 ? sum(x + 1, y - 1) : | |
y < 0 ? sum(x - 1, y + 1) : | |
x | |
} | |
sum(20, 100000) // => RangeError: Maximum call stack size exceeded | |
// Using workaround |
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#Newbie programmer | |
def factorial(x): | |
if x == 0: | |
return 1 | |
else: | |
return x * factorial(x - 1) | |
print factorial(6) | |
#First year programmer, studied Pascal |
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