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How do Trigonometric functions work?

...algorithm. So in practice there is a lot of special case logic to squeeze out all the performance and accuracy possible. Chips with smaller markets may not go to as much optimization effort. share | ...
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)

... an_array or nil which suggests to me that if you give the start that is out of bounds, it will return nil, thus in your example array[4,0] asks for the 4th element that exists, but asks to return an array of zero elements. While array[5,0] asks for an index out of bounds so it returns nil. This p...
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form serialize javascript (no framework)

Wondering is there a function in javascript without jquery or any framework that allows me to serialize the form and access the serialized version? ...
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M_PI works with math.h but not with cmath in Visual Studio

...Totally unsure as to why this would cause issues though. Edit: Figured it out. The #include <math.h> occurs within cmath's header guards. This means that something higher up the list of #includes is including cmath without the #define specified. math.h is specifically designed so that you ...
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What's the best UML diagramming tool? [closed]

...wers and not enough questions. A common misunderstanding is that UML is about creating diagrams. Sure, diagrams are important, but really you are creating a model. Here are the questions that should be answered as each vendor product/solution does some things better than others. Note: The liste...
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Print a list of all installed node.js modules

... Use npm ls (there is even json output) From the script: test.js: function npmls(cb) { require('child_process').exec('npm ls --json', function(err, stdout, stderr) { if (err) return cb(err) cb(null, JSON.parse(stdout)); }); } npmls(console.lo...
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How can javascript upload a blob?

... Do you know how to do this without AJAX too? – William Entriken Aug 7 '13 at 2:05 ...
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TFS: How can you Undo Checkout of Unmodified files in a batch file

We use a batch file to generate code, and it automatically checks out the generated files from Team Foundation Server (TFS) so that it can regenerate them. The majority of these files are not modified, but the generator does not know this ahead of time. ...
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Converting a List to a comma separated string

... the cost of allocating a string for each element; it just tucks it nicely out of sight. – itowlson Oct 7 '09 at 0:03  |  show 12 more comment...
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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?

... definitive explanation on the relationship between UIView's setNeedsLayout , layoutIfNeeded and layoutSubviews methods? And an example implementation where all three would be used. Thanks. ...