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Are HLists nothing more than a convoluted way of writing tuples?
I am really interested in finding out where the differences are, and more generally, to identify canonical use cases where HLists cannot be used (or rather, don't yield any benefits over regular lists).
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What is the memory consumption of an object in Java?
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Mindprod points out that this is not a straightforward question to answer:
A JVM is free to store data any way it pleases internally, big or little endian, with any amount of padding or overhead, though primitives must behave as if they had the official sizes.
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Func vs. Action vs. Predicate [duplicate]
With real examples and their use, can someone please help me understand:
3 Answers
3
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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
I didn't attend PDC 2008, but I heard some news that C# 4.0 is announced to support Generic covariance and contra-variance. That is, List<string> can be assigned to List<object> . How could that be?
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What is the difference between require() and library()?
What is the difference between require() and library() ?
8 Answers
8
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When is a C++ destructor called?
Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete
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Type Checking: typeof, GetType, or is?
I've seen many people use the following code:
14 Answers
14
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Fastest way to flatten / un-flatten nested JSON objects
I threw some code together to flatten and un-flatten complex/nested JSON objects. It works, but it's a bit slow (triggers the 'long script' warning).
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python multithreading wait till all threads finished
This may have been asked in a similar context but I was unable to find an answer after about 20 minutes of searching, so I will ask.
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How exactly does a generator comprehension work?
What does generator comprehension do? How does it work? I couldn't find a tutorial about it.
6 Answers
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