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What's the difference between the data structure Tree and Graph?
Academically speaking, what's the essential difference between the data structure Tree and Graph? And how about the tree based search and Graph based search?
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JavaScript function in href vs. onclick
I want to run a simple JavaScript function on a click without any redirection.
15 Answers
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Why doesn't java.util.Set have get(int index)?
I'm sure there's a good reason, but could someone please explain why the java.util.Set interface lacks get(int Index) , or any similar get() method?
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What is the difference between task and thread?
In C# 4.0, we have Task in the System.Threading.Tasks namespace. What is the true difference between Thread and Task . I did some sample program(help taken from MSDN) for my own sake of learning with
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Swift and mutating struct
There is something that I don't entirely understand when it comes to mutating value types in Swift.
7 Answers
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What do pty and tty mean?
I noticed there are many mentions of pty and tty in some opensource projects, could someone can tell me what do they mean and what is the difference between them? Thanks!
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C# string reference type?
I know that "string" in C# is a reference type. This is on MSDN. However, this code doesn't work as it should then:
10 An...
How are software license keys generated?
License keys are the defacto-standard as an anti-piracy measure. To be honest, this strikes me as (in)Security Through Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they...
Does the Java &= operator apply & or &&?
Assuming
5 Answers
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Multithreading: What is the point of more threads than cores?
I thought the point of a multi-core computer is that it could run multiple threads simultaneously. In that case, if you have a quad-core machine, what's the point of having more than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other?
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