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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
...al person, and figure if I'm going to invest in a library, I'd better know what I'm getting myself into. I figure it's better to go heavy on the criticism and light on the flattery when scrutinizing; what's wrong with it has many more implications for the future than what's right. So I'm going to go...
JavaScript closures vs. anonymous functions
A friend of mine and I are currently discussing what is a closure in JS and what isn't. We just want to make sure we really understand it correctly.
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What does middleware and app.use actually mean in Expressjs?
...atement for middleware but I haven't found a clear, concise explanation of what middleware actually is and what the app.use statement is doing. Even the express docs themselves are a bit vague on this. Can you explain these concepts for me please?
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How do I find out what version of WordPress is running?
I have just taken over someone's hosted WordPress site. How do I find out what version he is running?
16 Answers
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...ither. Let's get rid of it! :-) Jokes aside, RAII is fine for a lot cases. What RAII does makes more cumbersome is cases when you want to execute some code (not resource related) even if the code above returned early. For that either you use gotos or separate it into two methods.
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What are the differences between a pointer variable and a reference variable in C++?
...safe to think of a reference as another name for the same variable. Note: What a pointer points to can be on the stack or heap. Ditto a reference. My claim in this statement is not that a pointer must point to the stack. A pointer is just a variable that holds a memory address. This variable is ...
What does ':' (colon) do in JavaScript?
...le browsing through the jQuery library I see : (colon) being used a lot. What is this used for in JavaScript?
11 Answers...
Does python have an equivalent to Java Class.forName()?
...'t try to program in Java style when you're in python.
If you can explain what is it that you're trying to do, maybe we can help you find a more pythonic way of doing it.
Here's a function that does what you want:
def get_class( kls ):
parts = kls.split('.')
module = ".".join(parts[:-1])
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What does “coalgebra” mean in the context of programming?
...res which is pretty much incomprehensible to me. Can anyone please explain what coalgebras mean in the context of programming, what is their significance, and how they relate to objects and comonads?
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