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What does a lazy val do?
I noticed that Scala provide lazy vals . But I don't get what they do.
7 Answers
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Difference between await and ContinueWith
Can someone explain if await and ContinueWith are synonymous or not in the following example. I'm trying to use TPL for the first time and have been reading all the documentation, but don't understand the difference.
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How to pass optional arguments to a method in C++?
How to pass optional arguments to a method in C++ ?
Any code snippet...
8 Answers
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HashSet vs. List performance
It's clear that a search performance of the generic HashSet<T> class is higher than of the generic List<T> class. Just compare the hash-based key with the linear approach in the List<T> class.
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Mockito match any class argument
Is there a way to match any class argument of the below sample routine?
5 Answers
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Why do assignment statements return a value?
This is allowed:
14 Answers
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Determine if a function exists in bash
Currently I'm doing some unit tests which are executed from bash. Unit tests are initialized, executed and cleaned up in a bash script. This script usualy contains an init(), execute() and cleanup() functions. But they are not mandatory. I'd like to test if they are or are not defined.
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how to draw smooth curve through N points using javascript HTML5 canvas?
For a drawing application, I'm saving the mouse movement coordinates to an array then drawing them with lineTo. The resulting line is not smooth. How can I produce a single curve between all the gathered points?
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What is PECS (Producer Extends Consumer Super)?
I came across PECS (short for Producer extends and Consumer super ) while reading up on generics.
14 Answers
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Rearrange columns using cut
I am having a file in the following format
8 Answers
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