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Using Linq to get the last N elements of a collection?

... This approach preserves item order without a dependency on any sorting, and has broad compatibility across several LINQ providers. It is important to take care not to call Skip with a negative number. Some providers, such as the Entity Framework, will produce an ArgumentException when presented ...
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How to split a long regular expression into multiple lines in JavaScript?

... You could convert it to a string and create the expression by calling new RegExp(): var myRE = new RegExp (['^(([^<>()[\]\\.,;:\\s@\"]+(\\.[^<>(),[\]\\.,;:\\s@\"]+)*)', '|(\\".+\\"))@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1...
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Any way to break if statement in PHP?

Is there any command in PHP to stop executing the current or parent if statement, same as break or break(1) for switch / loop . For example ...
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How to find my Subversion server version number?

... of the subversion REPOSITORY you can: Look to the repository on the web and on the bottom of the page it will say something like: "Powered by Subversion version 1.5.2 (r32768)." From the command line: <insert curl, grep oneliner here> If not displayed, view source of the page <svn ver...
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What is a “symbol” in Julia?

...ent than a string is that strings are mutable while symbols are immutable, and symbols are also "interned" – whatever that means. Strings do happen to be mutable in Ruby and Lisp, but they aren't in Julia, and that difference is actually a red herring. The fact that symbols are interned – i.e....
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What is the difference between 'protected' and 'protected internal'?

Can someone please elaborate me the difference between 'protected' and 'protected internal' modifiers in C#? It looks they behave in same manner. ...
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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?

...d _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill it's data structures with new data. When it's done I j...
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What's the opposite of chr() in Ruby?

In many languages there's a pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() . ...
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What is the difference between integration testing and functional testing? [closed]

Are functional testing and integration testing the same? 11 Answers 11 ...
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How to remove a package from Laravel using composer?

... Running the following command will remove the package from vendor (or wherever you install packages), composer.json and composer.lock. Change vendor/package appropriately. composer remove vendor/package Obviously you'll need to remove references ...