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ruby inheritance vs mixins
... Is there any good mitigation for this? This looks like a reason why Python multiple inheritance is a superior solution (not trying to start a language p*ssing match; just comparing this specific feature).
– Marcin
Apr 17 '15 at 14:05
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What is copy-on-write?
...first write operation, hence the name ‘copy-on-write’.
Here after is a Python implementation of the copy-on-write technique using the proxy design pattern. A ValueProxy object (the proxy) implements the copy-on-write technique by:
having an attribute bound to an immutable Value object (the subj...
How do I sort an array of hashes by a value in the hash?
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Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! for in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .so...
Numpy array assignment with copy
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Best algorithm for detecting cycles in a directed graph [closed]
...eighbors v of u, a node is encountered with the GRAY color.
The following Python code is an adaptation of CLRS' pseudocode with an if clause added which detects cycles:
import collections
class Graph(object):
def __init__(self, edges):
self.edges = edges
self.adj = Graph._bui...
Recursive lambda functions in C++11
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Wondering why this isn't marked as 'answer', and that Python one is classified as 'Answer' ?!
– Ajay
Jan 26 '13 at 6:05
1
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Android Studio installation on Windows 7 fails, no JDK found
... I could have two environments: 32 for eclipse and 64 for studio (I recall Python had a solution of virtual machine (or env) and one could toggle easily between 'profiles'.
– eugene
Aug 25 '14 at 14:31
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Pandas aggregate count distinct
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Where can I get a list of Ansible pre-defined variables?
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"ansible_python_version": "2.7.3",
"ansible_selinux": false,
"ansible_swapfree_mb": 766,
"ansible_swaptotal_mb": 767,
"ansible_system": "Linux",
"ansible_system_vendor": "innotek GmbH",
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What is the purpose of Flask's context stacks?
... multiple apps. Imagine the situation where you want to have a single WSGI Python interpreter run multiple Flask application. We're not talking Blueprints here, we're talking entirely different Flask applications.
You might set this up similar to the Flask documentation section on "Application Disp...