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Thread vs ThreadPool

What is the difference between using a new thread and using a thread from the thread pool? What performance benefits are there and why should I consider using a thread from the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine. ...
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What is a Python egg?

I'm new to Python and am just trying to understand how its packages work. Presumably "eggs" are some sort of packaging mechanism, but what would be a quick overview of what role they play and may be some information on why they're useful and how to create them? ...
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How to print (using cout) a number in binary form?

I'm following a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1). ...
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Storing Images in DB - Yea or Nay?

So I'm using an app that stores images heavily in the DB. What's your outlook on this? I'm more of a type to store the location in the filesystem, than store it directly in the DB. ...
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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I

I have three stored procedures Sp1 , Sp2 and Sp3 . 12 Answers 12 ...
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Why does Stream not implement Iterable?

In Java 8 we have the class Stream<T> , which curiously have a method 9 Answers ...
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How do I force Postgres to use a particular index?

How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan? 6 Answers ...
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Get the first item from an iterable that matches a condition

I would like to get the first item from a list matching a condition. It's important that the resulting method not process the entire list, which could be quite large. For example, the following function is adequate: ...
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?

What are the proper uses of: 9 Answers 9 ...
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Random record from MongoDB

I am looking to get a random record from a huge (100 million record) mongodb . 26 Answers ...