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Why not use Double or Float to represent currency?

I've always been told never to represent money with double or float types, and this time I pose the question to you: why? ...
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Why are #ifndef and #define used in C++ header files?

I have been seeing code like this usually in the start of header files: 4 Answers 4 ...
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How to create custom exceptions in Java? [closed]

How do we create custom exceptions in Java? 3 Answers 3 ...
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Convert pem key to ssh-rsa format

I have a certificate in der format, from it with this command I generate a public key: 8 Answers ...
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When should we call System.exit in Java

In Java, What is the difference with or without System.exit(0) in following code? 10 Answers ...
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Configure nginx with multiple locations with different root folders on subdomain

I'm looking to serve the root url of a subdomain and directory of a subdomain to two different folders on my server. Here is the simple set-up that I have and is not working... ...
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How to determine whether a given Linux is 32 bit or 64 bit?

When I type uname -a , it gives the following output. 21 Answers 21 ...
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Override and reset CSS style: auto or none don't work

I would like to override following CSS styling defined for all tables: 7 Answers 7...
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Java Replacing multiple different substring in a string at once (or in the most efficient way)

I need to replace many different sub-string in a string in the most efficient way. is there another way other then the brute force way of replacing each field using string.replace ? ...
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How to convert a string or integer to binary in Ruby?

How do you create integers 0..9 and math operators + - * / in to binary strings. For example: 6 Answers ...