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How efficient is locking an unlocked mutex? What is the cost of a mutex?
... it again.
The program that I used to investigate this can be found here:
https://github.com/CarloWood/ai-statefultask-testsuite/blob/b69b112e2e91d35b56a39f41809d3e3de2f9e4b8/src/mutex_test.cxx
Note that it has a few hardcoded values specific for my box (xrange, yrange and rdtsc overhead), so you ...
Is C++ context-free or context-sensitive?
...possible, and a Type-0 grammar is provided in the answer to this question: https://math.stackexchange.com/questions/163830/context-sensitive-grammar-for-the-copy-language .
If one were to attempt to write a context-sensitive (or unrestricted) grammar to parse C++, it would quite possibly fill the u...
Is there a MySQL option/feature to track history of changes to records?
... fork of MySQL. You can find more on its System Versioning via this link:
https://mariadb.com/kb/en/library/system-versioned-tables/
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Passing Parameters JavaFX FXML
...ch is still valid and tested in March 2016, on Spring Boot v1.3.3.RELEASE:
https://stackoverflow.com/a/36310391/1281217
Sometimes, you might want to pass results back to the caller, in which case you can check out the answer to the related question:
JavaFX FXML Parameter passing from Controller A ...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...because of the regional settings issue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479
28 Ans...
What is the maximum length of a URL in different browsers?
...v0VpjSFGtrgUNUS2G0qYQwYoQQpIswIINwN8N4iV9FxoAxug34cGfQcStHLFpSVlytz9IzhMKypwWWJlPJQBUfKbLU8YHa5Yi5tckZb4j6R1pmJIQ4ysxePJ+bqr8U8xFznEXJ4u5CZjF5IsI0EfGKjtlbtn+6jFtXyds+efKZJ27dsqOpTx7N1+/RSmIpeskwvKPGqWeZNU02BclSXOZGvbGL8WhF9uI2vEGVrTUMFJmqqsoZrzKLjFY4TgRceG1i1+Ms1lFhe8WQaorxvG8fUl+czVIGWG4QphBsSLgXzP...
Injecting content into specific sections from a partial view ASP.NET MVC 3 with Razor View Engine
.../resource/etc injection until the end of the page
/// <para>@via https://stackoverflow.com/a/14127332/1037948 and http://jadnb.wordpress.com/2011/02/16/rendering-scripts-from-partial-views-at-the-end-in-mvc/ </para>
/// </summary>
private class DelayedInjectionBlock : I...
Why Does OAuth v2 Have Both Access and Refresh Tokens?
...e server, beta or poorly coded resource server app, JS SDK client on a non https site that puts the access_token in a cookie, etc)
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In what cases could `git pull` be harmful?
...u go to the old git repository git up the alias they suggest is different.
https://github.com/aanand/git-up
git config --global alias.up 'pull --rebase --autostash'
This works perfect for me.
Why would one use the Publish/Subscribe pattern (in JS/jQuery)?
...n of Mediator which looks much like an publish/subscribe can be found here https://github.com/ajacksified/Mediator.js. It has namespacing and features like event “bubbling” which, of course, can be interrupted. Another drawback of publish/subscribe is the hard unit testing, it may become difficu...