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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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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...
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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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UnboundLocalError on local variable when reassigned after first use

The following code works as expected in both Python 2.5 and 3.0: 12 Answers 12 ...
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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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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...
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Getting the closest string match

I need a way to compare multiple strings to a test string and return the string that closely resembles it: 12 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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Pimpl idiom vs Pure virtual class interface

I was wondering what would make a programmer to choose either Pimpl idiom or pure virtual class and inheritance. 10 Answers...
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How to get element by innerText

How to get tag in html page, if I know what text tag contains. E.g.: 14 Answers 14 ...