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Does use of final keyword in Java improve the performance?

...t it's by far the most common JVM, so...) To my mind you should use final based on clear design and readability rather than for performance reasons. If you want to change anything for performance reasons, you should perform appropriate measurements before bending the clearest code out of shape - th...
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How to get the currently logged in user's user id in Django?

...checks for expired sessions and then figures out which user they belong to based on the decoded _auth_user_id attribute: def ajax_find_logged_in_users(request, client_url): """ Figure out which users are authenticated in the system or not. Is a logical way to check if a user has an expi...
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how to listen to N channels? (dynamic select statement)

...more idiomatic, straight-forward, and readable. Performance. On my Xeon amd64 system the goroutines+channels out performs the reflect solution by about two orders of magnitude (in general reflection in Go is often slower and should only be used when absolutely required). Of course, if there is any s...
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How to add a line break in C# .NET documentation

...ags in this documentation article from MS. Documenting your code Example (based on original OP sample): /// <summary> /// <para>Get a human-readable variant of the SQL WHERE statement of the search element.</para> /// Rather than return SQL, this method returns a string with ic...
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TypeScript “this” scoping issue when called in jquery callback

... extra work if the function has parameters Bad: Derived classes can't call base class methods written this way using super. Bad: The exact semantics of which methods are "pre-bound" and which aren't create an additional non-typesafe contract between your class and its consumers. Function.bind Also...
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What's the difference between Cache-Control: max-age=0 and no-cache?

...onse no matter what. Maybe you'd want the SHOULD-revalidate behavior when baseball stats are generated in a page, but you'd want the MUST-revalidate behavior when you've generated the response to an e-commerce purchase. Although you're correct in your comment when you say no-cache is not supposed ...
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to

... Another option is using Google Guava's com.google.common.base.CaseFormat George Hawkins left a comment with this example of usage: CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, "THIS_IS_AN_EXAMPLE_STRING"); ...
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UITableViewCell, show delete button on swipe

...eting UITableView rows. The project performs like this: This project is based on the UITableView example for Swift. Add the Code Create a new project and replace the ViewController.swift code with the following. import UIKit class ViewController: UIViewController, UITableViewDelegate, UITableV...
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Undo a particular commit in Git that's been pushed to remote repos

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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jekyll markdown internal links

...ink works for posts, pages, documents in a collection, and files. {{ site.baseurl }}{% link _collection/name-of-document.md %} {{ site.baseurl }}{% link _posts/2016-07-26-name-of-post.md %} {{ site.baseurl }}{% link news/index.html %} {{ site.baseurl }}{% link /assets/files/doc.pdf %} Remember to...