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Why can't decimal numbers be represented exactly in binary?

There have been several questions posted to SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-po...
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.NET obfuscation tools/strategy [closed]

My product has several components: ASP.NET, Windows Forms App and Windows Service. 95% or so of the code is written in VB.NET. ...
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Java's Interface and Haskell's type class: differences and similarities?

While I am learning Haskell, I noticed its type class , which is supposed to be a great invention that originated from Haskell. ...
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Why is Hibernate Open Session in View considered a bad practice?

And what kind of alternative strategies do you use for avoiding LazyLoadExceptions? 9 Answers ...
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How to implement the activity stream in a social network

I'm developing my own social network, and I haven't found on the web examples of implementation the stream of users' actions... For example, how to filter actions for each users? How to store the action events? Which data model and object model can I use for the actions stream and for the actions it...
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What is the correct way to check for string equality in JavaScript?

What is the correct way to check for equality between Strings in JavaScript? 9 Answers ...
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Getting a map() to return a list in Python 3.x

I'm trying to map a list into hex, and then use the list elsewhere. In python 2.6, this was easy: 9 Answers ...
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Is Java “pass-by-reference” or “pass-by-value”?

I always thought Java uses pass-by-reference . 81 Answers 81 ...
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What is a regular expression for a MAC Address?

In this format: 21 Answers 21 ...
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Why is there no logical xor in JavaScript?

Why is there no logical xor in JavaScript? 19 Answers 19 ...