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Operator overloading : member function vs. non-member function?

...and is not a class type, rather say double. So you cannot write like this 10.0 + s2. However, you can write operator overloaded member function for expressions like s1 + 10.0. To solve this ordering problem, we define operator overloaded function as friend IF it needs to access private members. Ma...
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How to customize the background/border colors of a grouped table view cell?

... 100 UPDATE: In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that mak...
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How do I negate a condition in PowerShell?

...owLowRepImageUploadWarning: true, reputationToPostImages: 10, bindNavPrevention: true, postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
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Loop through an array in JavaScript

...e iterating them, for example: array.filter(item => item.condition < 10) .forEach(item => console.log(item)) Keep in mind if you are iterating an array to build another array from it, you should use map, I've seen this anti-pattern so many times. Anti-pattern: const numbers = [1,2,3,4...
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What is Cache-Control: private?

...struct the server to only send the file if it has been modified since 2012/10/16 3:13:38: GET / HTTP/1.1 If-Modified-Since: Tue, 16 Oct 2012 03:13:38 GMT The server receives the request, realizes that the client has the most recent version already. Rather than sending the client 200 OK, followed ...
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Why dict.get(key) instead of dict[key]?

... 10 Answers 10 Active ...
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Designing function f(f(n)) == -n

... 10 Broken for -1, because -1 * 0 is still 0 – Joel Coehoorn Apr 8 '09 at 21:25 ...
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How is pattern matching in Scala implemented at the bytecode level?

... snippet you gave: def eval(e: Expr): Int = { <synthetic> val temp10: Expr = e; if (temp10.$isInstanceOf[Number]()) temp10.$asInstanceOf[Number]().n() else if (temp10.$isInstanceOf[Sum]()) { <synthetic> val temp13: Sum = temp10.$asInstanceOf[Sum](); M...
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How to ignore files which are in repository?

...hough. – Adem Tepe Aug 19 '19 at 14:10 add a comment  |  ...
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When should we use mutex and when should we use semaphore

... answered Oct 28 '10 at 5:02 paxdiablopaxdiablo 737k199199 gold badges14241424 silver badges17931793 bronze badges ...