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What is attr_accessor in Ruby?
...ables cannot be accessed in the x.y form as is common in say, Java or even Python. In Ruby y is always taken as a message to send (or "method to call"). Thus the attr_* methods create wrappers which proxy the instance @variable access through dynamically created methods.
Boilerplate sucks
Hope thi...
Forward function declarations in a Bash or a Shell script?
...mewhat analogous to what if _ _ name _ _ == "_ _ main _ _": main() does in python
– Sergiy Kolodyazhnyy
Feb 13 '16 at 7:13
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How do you stop Console from popping up automatically in Eclipse
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This also does not work for python scripts launched with EASE.
– HRSE
Feb 11 '19 at 1:52
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Split string based on regex
...to split a string like "HELLO there HOW are YOU" by upper case words (in Python)?
3 Answers
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Java Delegates?
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@Juozas: Python is explicitely made to be simple to write/read by a person and it does implements lambda functions/delegates.
– Stephane Rolland
May 7 '12 at 13:34
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How to efficiently build a tree from a flat structure?
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Python solution
def subtree(node, relationships):
return {
v: subtree(v, relationships)
for v in [x[0] for x in relationships if x[1] == node]
}
For example:
# (child, parent) pairs where -1 means...
Adding a user to a group in django
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Not the answer you're looking for? Browse other questions tagged python django or ask your own question.
Algorithm to find Largest prime factor of a number
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Here's the best algorithm I know of (in Python)
def prime_factors(n):
"""Returns all the prime factors of a positive integer"""
factors = []
d = 2
while n > 1:
while n % d == 0:
factors.append(d)
n /= d
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How do I create a URL shortener?
... do the redirect.
Example implementations (provided by commenters)
C++
Python
Ruby
Haskell
C#
CoffeeScript
Perl
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How to style a JSON block in Github Wiki?
... in different Language syntax formats.But all time favorites are Perl, js, python, & elixir.
This is how it looks.
The following screenshots are from the Gitlab in a markdown file.
This may vary based on the colors using for syntax in MARKDOWN files.
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