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Moving decimal places over in a double

...Decimal. The problem you have is that 0.1 is not an exact representation, and by performing the calculation twice, you are compounding that error. However, 100 can be represented accurately, so try: double x = 1234; x /= 100; System.out.println(x); which prints: 12.34 This works because Doub...
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How do you run a Python script as a service in Windows?

...e which provides a higher level interface for operations on these objects, and the other programs to access the objects through that service. ...
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Does Haskell require a garbage collector?

...ser types "clear"; so the lifetime of this must be determined dynamically, and this is why dynamic memory management is necessary. So in this sense, automated dynamic memory allocation is necessary, and in practice this means: yes, Haskell requires a garbage collector, since garbage collection is t...
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How to avoid overflow in expr. A * B - C * D

... Both long long and double are 64 bits. Since double has to allocate some bits for the exponent, it has a smaller range of possible values without loss of precision. – Jim Garrison Nov 5 '12 at 19:03 ...
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Android:What is difference between setFlags and addFlags for intent

What is difference between setFlags and addFlags for intent. Could any one explain it please. Help Appreciated. 3 Answers ...
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Views vs Components in Ember.js

I am learning ember.js, and I am trying to understand the difference between a view and a component. I see both as a way of making reusable components. ...
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Change default global installation directory for node.js modules in Windows?

...he location> --global if you run into problems while installing modules and cache is in a shared drive. I got this error, ENOENT: no such file or directory when the cache was in a shared drive – redDevil Nov 5 '15 at 5:33 ...
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What are the basic rules and idioms for operator overloading?

... operators are merely syntactic sugar, their actual work could be done by (and often is forwarded to) plain functions. But it is important that you get this boiler-plate code right. If you fail, either your operator’s code won’t compile or your users’ code won’t compile or your users’ code...
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How does one make random number between range for arc4random_uniform()?

so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
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Can existing virtualenv be upgraded gracefully?

I have a virtualenv created for Python 2.5 and want to "upgrade" it to Python 2.6. 5 Answers ...