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Should I use alias or alias_method?
...ned in the Module class.)
alias's behavior changes depending on its scope and can be quite unpredictable at times.
Verdict: Use alias_method - it gives you a ton more flexibility.
Usage:
def foo
"foo"
end
alias_method :baz, :foo
...
Why would one declare a Java interface method as abstract?
...va Language Specification, the abstract keyword for interfaces is obsolete and should no longer be used. (Section 9.1.1.1)
That said, with Java's propensity for backwards compatibility, I really doubt it will ever make a difference whether the abstract keyword is present.
...
Can I publish a private NuGet package?
...to use NuGet to make this assembly avaiable to other projects that my team and similar teams at my company are working on. However, the assembly isn't really code that I want to share with the world.
...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...ment's address, i.e. the same page.
It is also possible to leave it empty, and any browser implementing HTML's form submission algorithm will treat it as equivalent to the document's address, which it does mainly because that's how browsers currently work:
8. Let action be the submitter element's a...
What's the difference between MemoryCache.Add and MemoryCache.Set?
I read the MSDN documentation but didn't really understand it.
1 Answer
1
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Why do pthreads’ condition variable functions require a mutex?
...adcast to, one or more of the threads on the waiting list will be woken up and the mutex will be magically locked again for that thread.
You typically see the following operation with condition variables, illustrating how they work. The following example is a worker thread which is given work via a...
What's the difference between JPA and Hibernate? [closed]
I understand that JPA 2 is a specification and Hibernate is a tool for ORM. Also, I understand that Hibernate has more features than JPA 2. But from a practical point of view, what really is the difference?
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How do I determine whether my calculation of pi is accurate?
...record territory, there's nothing to compare against.
Historically, the standard approach for verifying that computed digits are correct is to recompute the digits using a second algorithm. So if either computation goes bad, the digits at the end won't match.
This does typically more than double t...
How do I concatenate two strings in C?
...e that the function returns a block of heap allocated memory to the caller and passes on ownership of that memory. It is the responsibility of the caller to free the memory when it is no longer needed.
Call the function like this:
char* s = concat("derp", "herp");
// do things with s
free(s); // d...
Splitting a list into N parts of approximately equal length
...a list into roughly equal parts? For example, if the list has 7 elements and is split it into 2 parts, we want to get 3 elements in one part, and the other should have 4 elements.
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