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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities

...p of Statements with Time complexity as given in the question, here is a small list - O(1) time Accessing Array Index (int a = ARR[5];) Inserting a node in Linked List Pushing and Poping on Stack Insertion and Removal from Queue Finding out the parent or left/right child of a node in a tree store...
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Render basic HTML view?

...te. Using express 3.0.0 and 3.1.0, the following works: app.set('views', __dirname + '/views'); app.engine('html', require('ejs').renderFile); See the comments below for alternative syntax and caveats for express 3.4+: app.set('view engine', 'ejs'); Then you can do something like: app.get('/...
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Can't find the 'libpq-fe.h header when trying to install pg gem

...on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error: ...
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How to write URLs in Latex? [closed]

... Is there a way to escape special characters like & or _ automatically, when its part of the url? Those characters are often getting used in URLs as separator for dynamic values. – gies0r Mar 12 '19 at 23:56 ...
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AJAX POST and Plus Sign ( + ) — How to Encode?

...a form field via AJAX to a PHP script and using JavaScript to escape(field_contents) . The problem is that any plus signs are being stripped out and replaced by spaces. How can I safely 'encode' the plus sign and then appropriately 'decode' it on the PHP side? ...
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dispatch_after - GCD in Swift?

...patch_block_t?) dispatch_time_t is a UInt64. The dispatch_queue_t is actually type aliased to an NSObject, but you should just use your familiar GCD methods to get queues. The block is a Swift closure. Specifically, dispatch_block_t is defined as () -> Void, which is equivalent to () -> (). ...
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What is the difference between concurrency and parallelism?

What is the difference between concurrency and parallelism? 37 Answers 37 ...
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How can I read a whole file into a string variable

I have lots of small files, I don't want to read them line by line. 5 Answers 5 ...
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How to access property of anonymous type in C#?

...null in three different situations! o is null, so there is no object at all o is non-null but doesn't have a property Foo o has a property Foo but its real value happens to be null. So this is not equivalent to the earlier examples, but may make sense if you want to treat all three cases the sa...
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Populating a ListView using an ArrayList?

... @ Amokrane Chentir: I think that the "setContentView" method must be called before "findViewById" or else no ListView will be found. – Petru Jun 26 '12 at 20:36 ...