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Why prefer two's complement over sign-and-magnitude for signed numbers?

...der to represent -1 in binary, two's complement is used: flipping the bits and adding 1? 18 Answers ...
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?

... I'd store it in the database as a BIGINT and I'd store the number of ticks (eg. TimeSpan.Ticks property). That way, if I wanted to get a TimeSpan object when I retrieve it, I could just do TimeSpan.FromTicks(value) which would be easy. ...
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Is there a “do … while” loop in Ruby?

...ere Matz states: |> Don't use it please. I'm regretting this feature, and I'd like to |> remove it in the future if it's possible. | |I'm surprised. What do you regret about it? Because it's hard for users to tell begin <code> end while <cond> works differently from <...
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What is the difference between a thread and a fiber?

What is the difference between a thread and a fiber? I've heard of fibers from ruby and I've read heard they're available in other languages, could somebody explain to me in simple terms what is the difference between a thread and a fiber. ...
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deny direct access to a folder and file by htaccess

...st to the file present in that folder? – Chaitanya Chandurkar Apr 2 '13 at 13:22 16 @ChaitanyaCha...
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Difference Between ViewResult() and ActionResult()

What is the difference between ViewResult() and ActionResult() in ASP.NET MVC? 8 Answers ...
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Tricks to manage the available memory in an R session

...ive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effective solution was ... to run under 64-bit Linux with ample memory. ...
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How to define multiple CSS attributes in jQuery?

... Better to just use .addClass() and .removeClass() even if you have 1 or more styles to change. It's more maintainable and readable. If you really have the urge to do multiple CSS properties, then use the following: .css({ 'font-size' : '10px', 'width...
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How to loop through key/value object in Javascript? [duplicate]

... I want to create a setUsers() method that takes a key/value pair object and initializes the user variable. 3 Answers ...
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List all environment variables from the command line

Is it possible to list all environment variables from a Windows' command prompt? 8 Answers ...