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Java Reflection: How to get the name of a variable?
Using Java Reflection, is it possible to get the name of a local variable? For example, if I have this:
8 Answers
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How to sort an array of associative arrays by value of a given key in PHP?
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edited Aug 4 at 20:48
AbraCadaver
69.9k77 gold badges5151 silver badges7676 bronze badges
answered Oct 21 '09 at 2:06
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how to exclude null values in array_agg like in string_agg using postgres?
If I use array_agg to collect names, I get my names separated by commas, but in case there is a null value, that null is also taken as a name in the aggregate. For example :
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HTML-encoding lost when attribute read from input field
...JavaScript to pull a value out from a hidden field and display it in a textbox. The value in the hidden field is encoded.
2...
Split string into an array in Bash
In a Bash script I would like to split a line into pieces and store them in an array.
22 Answers
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Setting the correct encoding when piping stdout in Python
...ping the output of a Python program, the Python interpreter gets confused about encoding and sets it to None. This means a program like this:
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How to sort git tags by version string order of form rc-X.Y.Z.W?
... answered Jan 11 '13 at 7:29
Robert MutkeRobert Mutke
1,99911 gold badge1212 silver badges1414 bronze badges
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Algorithm to find Largest prime factor of a number
What is the best approach to calculating the largest prime factor of a number?
27 Answers
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Java “user.dir” property - what exactly does it mean?
I want to use user.dir dir as a base dir for my unit tests (that creates a lot of files). Is it correct that this property points to the current working directory (e.g. set by the 'cd' command)?
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Designing function f(f(n)) == -n
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How about:
f(n) = sign(n) - (-1)n * n
In Python:
def f(n):
if n == 0: return 0
if n >= 0:
if n % 2 == 1:
return n + 1
else:
return -1 * (n - 1)
else:
if n % 2 ...