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What is the purpose of std::make_pair vs the constructor of std::pair?

...at's what I could gather from various docs anyways. See this example from http://www.cplusplus.com/reference/std/utility/make_pair/ pair <int,int> one; pair <int,int> two; one = make_pair (10,20); two = make_pair (10.5,'A'); // ok: implicit conversion from pair<double,char> As...
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Why should I declare a virtual destructor for an abstract class in C++?

...n not to declare it virtual in those cases. [See item 4 in this article: http://www.gotw.ca/publications/mill18.htm] share | improve this answer | follow | ...
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In log4j, does checking isDebugEnabled before logging improve performance?

...ava 8, you don't have to use isDebugEnabled() to improve the performance. https://logging.apache.org/log4j/2.0/manual/api.html#Java_8_lambda_support_for_lazy_logging import java.util.logging.Logger; ... Logger.getLogger("hello").info(() -> "Hello " + name); ...
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What is the gain from declaring a method as static

...thod signature that calling the method can't alter the object's state. http://developer.android.com/training/articles/perf-tips.html#PreferStatic share | improve this answer | ...
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How do I install PyCrypto on Windows?

...vailable. Fortunately, there are PyCrypto binaries available for Windows: http://www.voidspace.org.uk/python/modules.shtml#pycrypto UPDATE: As @Udi suggests in the comment below, the following command also installs pycrypto and can be used in virtualenv as well: easy_install http://www.voidspace....
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Why should I avoid std::enable_if in function signatures

... wayback link to almost-static-if: web.archive.org/web/20150726012736/http://flamingdangerzone.com/… – davidbak May 9 '19 at 18:09 ...
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Algorithm for Determining Tic Tac Toe Game Over

... you can use a magic square http://mathworld.wolfram.com/MagicSquare.html if any row, column, or diag adds up to 15 then a player has won. share | impr...
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How do I manage MongoDB connections in a Node.js web application?

...isten(config.port, () => { logger.info(`Node.js app is listening at http://localhost:${config.port}`); }); }); /api/users.js import { Router } from 'express'; import { ObjectID } from 'mongodb'; const router = new Router(); router.get('/:id', async (req, res, next) => { try { ...
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How to create REST URLs without verbs?

... Perhaps something like: PUT /parameters/activation HTTP/1.1 Content-Type: application/json; encoding=UTF-8 Content-Length: 18 { "active": true } share | improve this answer...
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When should one use a spinlock instead of mutex?

...thing. Here is equivalent question on competitor stackexchange unix site: https://unix.stackexchange.com/questions/5107/why-are-spin-locks-good-choices-in-linux-kernel-design-instead-of-something-more Info on dispatching on windows systems: http://download.microsoft.com/download/e/b/a/eba1050f-a31...