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How to determine if a point is in a 2D triangle? [closed]

...uction, and division is much, much, slower. Numeric issues are also much smaller, due to no division! all calculations are exact. Thanks, Rick – user252020 Jan 16 '10 at 4:57 4 ...
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How do I change permissions for a folder and all of its subfolders and files in one step in Linux?

I would like to change permissions of a folder and all its sub folders and files in one step (command) in Linux. 16 Answers...
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How do I concatenate strings and variables in PowerShell?

... This isn't technically concatenation. – TravisEz13 Jun 14 '16 at 17:59 9 ...
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Number of elements in a javascript object

... Although JS implementations might keep track of such a value internally, there's no standard way to get it. In the past, Mozilla's Javascript variant exposed the non-standard __count__, but it has been removed with version 1.8.5. For cross-browser scripting you're stuck with explicitly ite...
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Disable individual Python unit tests temporarily

... so. You could just get this module and use it on your existing Python install. It will probably work. Before this, I used to rename the tests I wanted skipped to xtest_testname from test_testname. Here's a quick elisp script to do this. My elisp is a little rusty so I apologise in advance for ...
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return, return None, and no return at all?

... On the actual behavior, there is no difference. They all return None and that's it. However, there is a time and place for all of these. The following instructions are basically how the different methods should be used (or at least how I was taught they should be used), but th...
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How to loop through an array containing objects and access their properties

... Note that it is important that you really do have an array. If you got yourArray from something like document.getElementsByClassName that would be an HTMLCollection, not an array. Then this question could be helpful. – J0ANMM ...
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Abusing the algebra of algebraic data types - why does this work?

... Disclaimer: A lot of this doesn't really work quite right when you account for ⊥, so I'm going to blatantly disregard that for the sake of simplicity. A few initial points: Note that "union" is probably not the best term for A+B here--that's specifically ...
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How to print SQL statement in codeigniter model

... when i do print_r($query); nothing prints out at all – Technupe May 26 '11 at 16:50 1 ...
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Extract file name from path, no matter what the os/path format

... Using os.path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail. Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module (whi...