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Monad in plain English? (For the OOP programmer with no FP background)

... take a type, say int, and add a new capability to that type, namely, that now it can be null when it couldn't before. As a second example, consider IEnumerable<T>. It is an amplifier of types. It lets you take a type, say, string, and add a new capability to that type, namely, that you can n...
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Expand a random range from 1–5 to 1–7

... sampling, e.g.: int i; do { i = 5 * (rand5() - 1) + rand5(); // i is now uniformly random between 1 and 25 } while(i > 21); // i is now uniformly random between 1 and 21 return i % 7 + 1; // result is now uniformly random between 1 and 7 This has an expected runtime of 25/21 = 1.19 itera...
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Finding index of character in Swift String

... Any other indices can be created using successor or predecessor methods. Now to help us with indices, there is a set of methods (functions in Swift 1.x): Swift 4.x let text = "abc" let index2 = text.index(text.startIndex, offsetBy: 2) //will call succ 2 times let lastChar: Character = text[index...
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How to 'minify' Javascript code

...e.com, almost everything works on every browser (also ie10 is standardized now) , i think now it's just here to slow down your web application...if you like the $() you should create your own simple function.And why bother to compress your code if your clients need to download the 100kb jquery scrip...
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MongoDB or CouchDB - fit for production? [closed]

...ction. businessinsider has been using mongo in production for over a year now. They are using it for everything from users and blog posts, to every image on the site. shopwiki is using it for a few things including real time analytics and a caching layer. They are doing over 1000 writes per secon...
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Interface defining a constructor signature?

...far: public interface IDrawable { void Update(); void Draw(); } Now create an abstract class with the constructor you want to enforce. Actually, since it's now available since the time you wrote your original question, we can get a little fancy here and use generics in this situation so ...
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Android ADB device offline, can't issue commands

...@spartacus I don't think so I would think that the problem for you may lie now elsewhere. – hack_on Jun 29 '13 at 8:07 ...
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Error: Cannot pull with rebase: You have unstaged changes

... This seemed to have work but now I am facing another error(started a new questions to not confuse future vistors): stackoverflow.com/questions/23518247/… – user3597950 May 7 '14 at 12:47 ...
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How can I change my Cygwin home folder after installation?

...PROFILE% Click OK in all the open dialog boxes to apply this new setting Now we are going to update the Cygwin /etc/passwd file with the Windows %HOME% variable we just created. Shell logins and remote logins via ssh will rely on /etc/passwd to tell them the location of the user's $HOME path. At ...
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Using ECMAScript 6

... Arrow functions are now fully implemented in the latest version of chrome. This tip remains useful for other ES6 features though. Like the class syntax, for example. – Adam Brown Oct 30 '15 at 2:05 ...