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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...
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How do I sort an array of hashes by a value in the hash?

... 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...
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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...
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Recursive lambda functions in C++11

... 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?

... "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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How to show all shared libraries used by executables in Linux?

... objdump: $(CROSS_COMPILE)objdump -p For instance: objdump -p /usr/bin/python: Dynamic Section: NEEDED libpthread.so.0 NEEDED libdl.so.2 NEEDED libutil.so.1 NEEDED libssl.so.1.0.0 NEEDED libcrypto.so.1.0.0 NEEDED ...