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What is the motivation for bringing Symbols to ES6?
As you may know they are planning to include new Symbol primitive type in ECMAScript 6 (not to mention some other crazy stuff). I always thought that the :symbol notion in Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate thi...
How to write to a file in Scala?
For reading, there is the useful abstraction Source . How can I write lines to a text file?
18 Answers
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How to pass an array into jQuery .data() attribute
Ok so I want to pass a very basic array into a jquery data attrubute server side like so:
4 Answers
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Undefined reference to vtable
When building my C++ program, I'm getting the error message
16 Answers
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Best way to combine two or more byte arrays in C#
I have 3 byte arrays in C# that I need to combine into one. What would be the most efficient method to complete this task?
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What does the (unary) * operator do in this Ruby code?
Given the Ruby code
3 Answers
3
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Why does the indexing start with zero in 'C'?
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In C, the name of an array is essentially a pointer [but see the comments], a reference to a memory location, and so the expression array[n] refers to a memory location n elements away from the starting element. This means that the index is used as an offset. The first element ...
Get users by name property using Firebase
...tion where I can get/set data in specific users accounts and I was tempted by Firebase.
8 Answers
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jQuery pitfalls to avoid [closed]
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Being unaware of the performance hit and overusing selectors instead of assigning them to local variables. For example:-
$('#button').click(function() {
$('#label').method();
$('#label').method2();
$('#label').cs...
What is __future__ in Python used for and how/when to use it, and how it works
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With __future__ module's inclusion, you can slowly be accustomed to incompatible changes or to such ones introducing new keywords.
E.g., for using context managers, you had to do from __future__ import with_statement in 2.5, as the with keyword was new and shouldn't be used ...