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Is it better to use std::memcpy() or std::copy() in terms to performance?

...py will have a slight, almost imperceptible performance loss. I just did a test and found that to be untrue: I did notice a performance difference. However, the winner was std::copy. I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512),...
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Practicing BDD with python [closed]

... Ian Bicking recommends using doctest for behavior driven design: I personally tend to use nose and voidspace mock in a behavior driven design style. Specifically, the spec plugin for nose is excellent for BDD. ...
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Singleton pattern in nodejs - is it needed?

...require("./singleton.js"); var sg2 = require("./singleton.js"); sg.add(1, "test"); sg2.add(2, "test2"); console.log(sg.getSocketList(), sg2.getSocketList()); This gives the output the author anticipated: { '1': 'test', '2': 'test2' } { '1': 'test', '2': 'test2' } But a small modification defea...
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Add params to given URL in Python

...JS) friendly, but they are yet optional, you can drop them. How it works Test 1: Adding new arguments, handling Arrays and Bool values: url = 'http://stackoverflow.com/test' new_params = {'answers': False, 'data': ['some','values']} add_url_params(url, new_params) == \ 'http://stackoverflow....
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super() raises “TypeError: must be type, not classobj” for new-style class

...ith an old-style class". However, the important point is that the correct test for "is this a new-style instance (i.e. object)?" is >>> class OldStyle: pass >>> instance = OldStyle() >>> issubclass(instance.__class__, object) False and not (as in the question): >&g...
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Has anyone actually implemented a Fibonacci-Heap efficiently?

...e dijkstra_heap_performance.cpp against a modified version of dijkstra_shortest_paths.hpp to compare Fibonacci heaps and binary heaps. (In the line typedef relaxed_heap<Vertex, IndirectCmp, IndexMap> MutableQueue, change relaxed to fibonacci.) I first forgot to compile with optimizations, in...
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How to map a composite key with JPA and Hibernate?

... Let's take a simple example. Let's say two tables named test and customer are there described as: create table test( test_id int(11) not null auto_increment, primary key(test_id)); create table customer( customer_id int(11) not null auto_increment, name varchar(50) not n...
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Casting to string in JavaScript

... at all defined, you will still get an error for String(). Example: String(test); throws Uncaught ReferenceError: test is not defined, while var test; String(test); will result in "undefined". – Anthony Sep 22 '17 at 20:07 ...
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JUnit 4 compare Sets

...to one another, which invokes the Set equals() method. public class SimpleTest { private Set<String> setA; private Set<String> setB; @Before public void setUp() { setA = new HashSet<String>(); setA.add("Testing..."); setB = new HashSet<...
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Testing if object is of generic type in C#

I would like to perform a test if an object is of a generic type. I've tried the following without success: 5 Answers ...