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Appending an element to the end of a list in Scala

...tried with myList ::= myElement but it seems it creates a strange object and accessing to myList.last always returns the first element that was put inside the list. How can I solve this problem? ...
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Get encoding of a file in Windows

This isn't really a programming question, is there a command line or Windows tool (Windows 7) to get the current encoding of a text file? Sure I can write a little C# app but I wanted to know if there is something already built in? ...
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Python constructor and default value [duplicate]

Somehow, in the Node class below, the wordList and adjacencyList variable is shared between all instances of Node. 4 An...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

... the object has a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero. Otherwise, if the object has a __len__ special method (as do contain...
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?

...rectory (which may even be read-only due to permissions). Skip the JCE API and use another cryptography library such as Bouncy Castle. This approach requires an extra 1MB library, which may be a significant burden depending on the application. It also feels silly to duplicate functionality included ...
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JavaScript curry: what are the practical applications?

I don’t think I’ve grokked currying yet. I understand what it does, and how to do it. I just can’t think of a situation I would use it. ...
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Best way to change the background color for an NSView

...l but the transparency didn't work. I'm coming to Cocoa from Cocoa Touch, and surprised to see that in some ways the Cocoa Touch framework is more complete (!). I was thinking of making a class extension for NSView that would allow you to set backgroundColor like you can an NSWindow or UIView, but...
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection

I'm new to Go and I'm experiencing a bit of congitive dissonance between C-style stack-based programming where automatic variables live on the stack and allocated memory lives on the heap and and Python-style stack-based-programming where the only thing that lives on the stack are references/pointer...
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CSS Input Type Selectors - Possible to have an “oror “not” syntax?

...syntax. At the time this question was asked, we needed a fall-back for IE7 and IE8. One option was to use a polyfill like IE9.js. Another was to exploit the cascade in CSS: input { // styles for most inputs } input[type=checkbox] { // revert back to the original style } input.checkbox { ...
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curl POST format for CURLOPT_POSTFIELDS

When I use curl via POST and set CURLOPT_POSTFIELD do I have to urlencode or any special format? 10 Answers ...