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How does free know how much to free?

...like as an argument to free, how does it know the size of the allocated memory to free? Whenever I pass a pointer to some function, I have to also pass the size (ie an array of 10 elements needs to receive 10 as a parameter to know the size of the array), but I do not have to pass the size to the fr...
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PhoneGap: Detect if running on desktop browser

I'm developing a web application that uses PhoneGap:Build for a mobile version and want to have a single codebase for the 'desktop' and mobile versions. I want to be able to detect if PhoneGap calls will work (ie, is the user on a mobile device that will support PhoneGap). ...
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Differences between TCP sockets and web sockets, one more time [duplicate]

...es between TCP socket and websocket, I've already found a lot of useful information within these questions: 2 Answers ...
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Difference between staticmethod and classmethod

What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ? 27 Answers ...
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sqlalchemy unique across multiple columns

... character code. The "location code" should be unique among the locations for a specific customer. 2 Answers ...
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How to understand Locality Sensitive Hashing?

... The best tutorial I have seen for LSH is in the book: Mining of Massive Datasets. Check Chapter 3 - Finding Similar Items http://infolab.stanford.edu/~ullman/mmds/ch3a.pdf Also I recommend the below slide: http://www.cs.jhu.edu/%7Evandu...
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In Clojure, when should I use a vector over a list, and the other way around?

I read that Vectors are not seqs, but Lists are. I'm not sure what the rationale is for using one over the other. It seems that vectors are used the most, but is there a reason for that? ...
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How to remove all white space from the beginning or end of a string?

... String ".TrimEnd() -> " A String" None of the methods modify the original string object. (In some implementations at least, if there are no white-spaces to be trimmed, you get back the same string object you started with: csharp> string a = "a"; csharp> string trimmed = a.Trim(); c...
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How to flush output of print function?

How do I force Python's print function to output to the screen? 13 Answers 13 ...
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Meaning of Git checkout double dashes

What is the meaning of the double dashes before the file name in this git command? 3 Answers ...