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Oracle: how to UPSERT (update or insert into a table?)
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Build tree array from flat array in javascript
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165
There is an efficient solution if you use a map-lookup. If the parents always come before thei...
How to store standard error in a variable
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How to unstash only certain files?
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481
As mentioned below, and detailed in "How would I extract a single file (or changes to a file) fr...
Is SHA-1 secure for password storage?
Conclusion: SHA-1 is as safe as anything against preimage attacks, however it is easy to compute, which means it is easier to mount a bruteforce or dictionary attack. (The same is true for successors like SHA-256.) Depending on the circumstances, a hash function which was designed to be computation...
Is it possible to center text in select box?
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edited Jul 5 '19 at 9:57
Adrian
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answered May 30 '1...
How to convert an integer to a string in any base?
...ng.ascii_letters
def int2base(x, base):
if x < 0:
sign = -1
elif x == 0:
return digs[0]
else:
sign = 1
x *= sign
digits = []
while x:
digits.append(digs[int(x % base)])
x = int(x / base)
if sign < 0:
digits.append...
PHP, get file name without file extension
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17 Answers
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How to convert NSDate into unix timestamp iphone sdk?
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10 Answers
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