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Android accelerometer accuracy (Inertial navigation)

... You get position by integrating the linear acceleration twice but the error is horrible. It is useless in practice. Here is an explanation why (Google Tech Talk) at 23:20. I highly recommend this video. It is not the accelerometer noi...
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How can a time function exist in functional programming?

I've to admit that I don't know much about functional programming. I read about it from here and there, and so came to know that in functional programming, a function returns the same output, for same input, no matter how many times the function is called. It's exactly like a mathematical function w...
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Why do you need explicitly have the “self” argument in a Python method?

When defining a method on a class in Python, it looks something like this: 10 Answers ...
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How do you tell someone they're writing bad code? [closed]

I've been working with a small group of people on a coding project for fun. It's an organized and fairly cohesive group. The people I work with all have various skill sets related to programming, but some of them use older or outright wrong methods, such as excessive global variables, poor naming ...
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What is the difference between D3 and jQuery?

... D3 is data-driven but jQuery is not: with jQuery you directly manipulate elements, but with D3 you provide data and callbacks through D3's unique data(), enter() and exit() methods and D3 manipulates elements. D3 is usually used for data visualization but jQuery ...
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Method can be made static, but should it?

...nt out multiple functions per asp.net page that could be made static. Does it help me if I do make them static? Should I make them static and move them to a utility class? ...
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Hibernate: hbm2ddl.auto=update in production?

Is it okay to run Hibernate applications configured with hbm2ddl.auto=update to update the database schema in a production environment? ...
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Understanding implicit in Scala

... I'll explain the main use cases of implicits below, but for more detail see the relevant chapter of Programming in Scala. Implicit parameters The final parameter list on a method can be marked implicit, which means the values will be taken from the context in whic...
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Do you need to dispose of objects and set them to null?

...up when they are no longer being used and when the garbage collector sees fit. Sometimes, you may need to set an object to null in order to make it go out of scope (such as a static field whose value you no longer need), but overall there is usually no need to set to null. Regarding disposing obje...
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How can I obfuscate (protect) JavaScript? [closed]

... Obfuscation: Try YUI Compressor. It's a very popular tool, built, enhanced and maintained by the Yahoo UI team. You may also use: Google Closure Compiler UglifyJS UPDATE: This question was originally asked more than 10 years ago, and YUI is no longer ma...