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Check if all elements in a list are identical
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General method:
def checkEqual1(iterator):
iterator = iter(iterator)
try:
first = next(iterator)
except StopIteration:
return True
return all(first == rest for rest in iterator)
One-liner:
def checkEqual2(iterator):
r...
Principal component analysis in Python
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11 Answers
11
Active
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In Typescript, How to check if a string is Numeric
...y to convert a string to a number is with Number, not parseFloat.
Number('1234') // 1234
Number('9BX9') // NaN
You can also use the unary plus operator if you like shorthand:
+'1234' // 1234
+'9BX9' // NaN
Be careful when checking against NaN (the operator === and !== don't work as expected wi...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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91
The order of evaluation of subexpressions, including
the arguments of a function call and
oper...
Peak memory usage of a linux/unix process
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answered Feb 13 '19 at 0:44
community wiki
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Splitting a list into N parts of approximately equal length
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31 Answers
31
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Using comparison operators in Scala's pattern matching system
...i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially different to putting an if after the =>, becau...
How to get the seconds since epoch from the time + date output of gmtime()?
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126
If you got here because a search engine told you this is how to get the Unix timestamp, stop r...
What's the algorithm to calculate aspect ratio?
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18 Answers
18
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How to compare two colors for similarity/difference
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19 Answers
19
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