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CodeIgniter removing index.php from url

...place with the below code $config['uri_protocol'] = "REQUEST_URI" Thats all but in wamp server it does not work because rewrite_module by default disabled so we have need to enable it. for this do the following Left click WAMP icon Apache Apache Modules Left click rewrite_module Original Docu...
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Knight's Shortest Path on Chessboard

... You have a graph here, where all available moves are connected (value=1), and unavailable moves are disconnected (value=0), the sparse matrix would be like: (a1,b3)=1, (a1,c2)=1, ..... And the shortest path of two points in a graph can be found usin...
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How to tell PowerShell to wait for each command to end before starting the next?

... Normally, for internal commands PowerShell does wait before starting the next command. One exception to this rule is external Windows subsystem based EXE. The first trick is to pipeline to Out-Null like so: Notepad.exe | Out-N...
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Null vs. False vs. 0 in PHP

...ers can spot/utilize the difference between Null and False and 0 and all the other good "nothing" entities. What is the difference, specifically in PHP? Does it have something to do with === ? ...
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Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]

Like most web developers, I occasionally like to look at the source of websites to see how their markup is built. Tools like Firebug and Chrome Developer Tools make it easy to inspect the code, but if I want to copy a specific section and play around with it locally, it would be a pain to copy all t...
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Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie

... I always find this confusing so I made a playground where you can visually explore what the convert function does. This is done in Swift 3 and Xcode 8.1b: import UIKit import PlaygroundSupport class MyViewController: UIViewController { override func viewDidLoad() { super.viewDidL...
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What does “zend_mm_heap corrupted” mean

All of the sudden I've been having problems with my application that I've never had before. I decided to check the Apache's error log, and I found an error message saying "zend_mm_heap corrupted". What does this mean. ...
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Why is there “data” and “newtype” in Haskell? [duplicate]

...peek inside. Couldn't the compiler handle this for itself. No, not really—this is a case where as the programmer you get to decide whether the constructor is strict or lazy. To understand when and how to make constructors strict or lazy, you have to have a much better understanding of lazy ...
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How do I replace NA values with zeros in an R dataframe?

...then assign it to the location/name on the left. In this case, we aren't really "doing" anything - just making zeroes. The left side is saying: look at the d object, inside the d object (the square brackets), find all the elements that return TRUE (is.na(d) returns a logical for each element). Once...
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Sleep for milliseconds

... facilities: #include <chrono> #include <thread> std::this_thread::sleep_for(std::chrono::milliseconds(x)); Clear and readable, no more need to guess at what units the sleep() function takes. share ...