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How to determine equality for two JavaScript objects?

A strict equality operator will tell you if two object types are equal. However, is there a way to tell if two objects are equal, much like the hash code value in Java? ...
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How do I use Wget to download all images into a single folder, from a URL?

I am using wget to download all images from a website and it works fine but it stores the original hierarchy of the site with all the subfolders and so the images are dotted around. Is there a way so that it will just download all the images into a single folder? The syntax I'm using at the moment i...
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What is the difference between aggregation, composition and dependency? [duplicate]

What is the difference between aggregation, composition and dependency? 7 Answers 7 ...
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Does Haskell require a garbage collector?

I'm curious as to why Haskell implementations use a GC. 8 Answers 8 ...
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How to highlight cell if value duplicate in same column for google spreadsheet?

I am looking for formula for google spreadsheet highlight cell if value duplicate in same column 6 Answers ...
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When is null or undefined used in JavaScript? [duplicate]

I am really confused as to when JavaScript returns null or undefined . Also different browsers seem to be returning these differently. ...
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Why use a prime number in hashCode?

I was just wondering why is that primes are used in a class's hashCode() method? For example, when using Eclipse to generate my hashCode() method there is always the prime number 31 used: ...
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How do I read the contents of a Node.js stream into a string variable?

I'm hacking on a Node program that uses smtp-protocol to capture SMTP emails and act on the mail data. The library provides the mail data as a stream, and I don't know how to get that into a string. ...
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Didn't Java once have a Pair class? [duplicate]

Am I remembering incorrectly, or did Java, once upon a time, provide a Pair class as part of its API? 10 Answers ...
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What is the difference between 'E', 'T', and '?' for Java generics?

I come across Java code like this: 6 Answers 6 ...