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Clojure: reduce vs. apply

... reduce and apply are of course only equivalent (in terms of the ultimate result returned) for associative functions which need to see all their arguments in the variable-arity case. When they are result-wise equivalent, I'd say that apply is always perfectly idiomatic, whi...
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Is there a difference between “throw” and “throw ex”?

...nce; throw ex resets the stack trace (so your errors would appear to originate from HandleException) throw doesn't - the original offender would be preserved. static void Main(string[] args) { try { Method2(); } catch (Exception ex) { Console.Write(ex.StackTrac...
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Changing all files' extensions in a folder with one command on Windows

How can I use the Windows command line to change the extensions of thousands of files to *****.jpg ? 11 Answers ...
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Why do I have to access template base class members through the this pointer?

If the classes below were not templates I could simply have x in the derived class. However, with the code below, I have to use this->x . Why? ...
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How to hide the keyboard when I press return key in a UITextField?

Clicking in a textfield makes the keyboard appear. How do I hide it when the user presses the return key? 12 Answers ...
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How to merge dictionaries of dictionaries?

I need to merge multiple dictionaries, here's what I have for instance: 29 Answers 29 ...
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What are JavaScript's builtin strings?

this question is difficult to summarize in a question title 7 Answers 7 ...
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Behaviour of final static method

I have been playing around with modifiers with static method and came across a weird behaviour. 7 Answers ...
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Paste in insert mode?

Is it possible to paste in insert mode in Vim? 11 Answers 11 ...
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Can every recursion be converted into iteration?

A reddit thread brought up an apparently interesting question: 17 Answers 17 ...