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How do I get whole and fractional parts from double in JSP/Java?

How do I get whole and fractional parts from double in JSP/Java ? If the value is 3.25 then I want to get fractional =.25 , whole = 3 ...
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What are the mathematical/computational principles behind this game?

...t (this is a bit different from Euclid). Now, add "finite" into the soup and you have the question: Can we have a geometry with just 2 points? With 3 points? With 4? With 7? There are still open questions regarding this problem but we do know this: If there are geometries with Q points, then Q...
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What exactly is Type Coercion in Javascript?

... Type coercion means that when the operands of an operator are different types, one of them will be converted to an "equivalent" value of the other operand's type. For instance, if you do: boolean == integer the boolean operand will be converted to an integer: ...
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Why does Python use 'magic methods'?

I've been playing around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) . ...
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Why do you have to link the math library in C?

... The functions in stdlib.h and stdio.h have implementations in libc.so (or libc.a for static linking), which is linked into your executable by default (as if -lc were specified). GCC can be instructed to avoid this automatic link with the -nostdlib or...
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Why are quaternions used for rotations?

I'm a physicist, and have been learning some programming, and have come across a lot of people using quaternions for rotations instead of writing things in matrix/vector form. ...
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Is duplicated code more tolerable in unit tests?

I ruined several unit tests some time ago when I went through and refactored them to make them more DRY --the intent of each test was no longer clear. It seems there is a trade-off between tests' readability and maintainability. If I leave duplicated code in unit tests, they're more readable, but...
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网

...ke: Failed to allocate a 25165836 byte allocation with 3395432 free bytes and 3MB until OOM What’s happening here is that the app is is running out of memory (OOM). In the case of the message above, the phone is trying to allocate 25 megabytes (25165836 bytes) but there are only 3 megabytes (33...
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How to perform better document version control on Excel files and SQL schema files

I am in charge of several Excel files and SQL schema files. How should I perform better document version control on these files? ...
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How To Create a Flexible Plug-In Architecture?

...ure. I've seen it approached many ways - configuration files (XML, .conf, and so on), inheritance frameworks, database information, libraries, and others. In my experience: ...