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SHA1 vs md5 vs SHA256: which to use for a PHP login?
I'm making a php login, and I'm trying to decide whether to use SHA1 or Md5, or SHA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt?
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What is the best Distributed Brute Force countermeasure?
...le background: It is no secret that I am implementing an auth+auth system for CodeIgniter, and so far I'm winning (so to speak). But I've run into a pretty non-trivial challenge (one that most auth libraries miss entirely, but I insist on handling it properly): how to deal intelligently with large-...
Get unique values from a list in python [duplicate]
...e beginning, instead of a list. Then your code should be:
output = set()
for x in trends:
output.add(x)
print(output)
As it has been pointed out, sets do not maintain the original order. If you need that, you should look for an ordered set implementation (see this question for more).
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NumPy or Pandas: Keeping array type as integer while having a NaN value
...e a preferred way to keep the data type of a numpy array fixed as int (or int64 or whatever), while still having an element inside listed as numpy.NaN ?
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What's the difference between and , and ?
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They have the same effect on normal web browser rendering engines, but there is a fundamental difference between them.
As the author writes in a discussion list post:
Think of three different situations:
web browsers
blind people
mobile phones
"Bold...
Check whether a value is a number in JavaScript or jQuery [duplicate]
I want to check misCharge is number or not. Is there any method or easy way in jQuery or JavaScript to do this?
3 Answers...
Is Javascript compiled or an interpreted language? [closed]
Can Javascript be called a pure interpreted language? Or does it also have some compiled flavor to it? Could someone guide at the reasons behind both the things whichever being true.
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Check cell for a specific letter or set of letters
In a Google Spreadsheet, I want to use a formula that will output a certain text or number if a certain cell contains certain letters.
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Python if-else short-hand [duplicate]
...most readable way is
x = 10 if a > b else 11
but you can use and and or, too:
x = a > b and 10 or 11
The "Zen of Python" says that "readability counts", though, so go for the first way.
Also, the and-or trick will fail if you put a variable instead of 10 and it evaluates to False.
Howe...
Check OS version in Swift?
I'm trying to check system information in Swift. I figured out, that it could be achieved by code:
19 Answers
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