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Getting the index of the returned max or min item using max()/min() on a list

I'm using Python's max and min functions on lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value. ...
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Selectors in Objective-C?

First, I'm not sure I really understand what a selector is. From my understanding, it's the name of a method, and you can assign it to a class of type 'SEL' and then run methods such as respondToSelector to see if the receiver implements that method. Can someone offer up a better explanation? ...
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How do I encode/decode HTML entities in Ruby?

I am trying to decode some HTML entities, such as '<' becoming '<' . 7 Answers ...
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Converting string to title case

I have a string which contains words in a mixture of upper and lower case characters. 23 Answers ...
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What can be the reasons of connection refused errors?

I'm trying to write a server program in C, using another client, I get this error when I try to connect through port 2080 for example. ...
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Amazon S3 boto - how to create a folder?

How can I create a folder under a bucket using boto library for Amazon s3? 11 Answers ...
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Android: combining text & image on a Button or ImageButton

I'm trying to have an image (as the background) on a button and add dynamically, depending on what's happening during run-time, some text above/over the image. ...
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Javascript: How to loop through ALL DOM elements on a page?

I'm trying to loop over ALL elements on a page, so I want to check every element that exists on this page for a special class. ...
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Identify if a string is a number

... int n; bool isNumeric = int.TryParse("123", out n); Update As of C# 7: var isNumeric = int.TryParse("123", out int n); or if you don't need the number you can discard the out parameter var isNumeric = int.TryParse("123", out _); The ...
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How do I format a date with Dart?

I have an instance of DateTime and I would like to format that to a String. How do I do that? I want to turn the date into a string, something like "2013-04-20". ...