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How can I determine whether a 2D Point is within a Polygon?
...ay casting. The idea of the algorithm is pretty simple: Draw a virtual ray from anywhere outside the polygon to your point and count how often it hits a side of the polygon. If the number of hits is even, it's outside of the polygon, if it's odd, it's inside.
The winding number algorithm would be...
Shall we always use [unowned self] inside closure in Swift
...e class owns something that owns the closure.
Specifically in the example from the video
In the example on the slide, TempNotifier owns the closure through the onChange member variable. If they did not declare self as unowned, the closure would also own self creating a strong reference cycle.
Dif...
Redirect stderr and stdout in Bash
... part of POSIX, but the bash man page makes no mention of it being removed from bash in the near future. The man page does specify a preference for '&>' over '>&', which is otherwise equivalent.
– chepner
Jul 16 '12 at 20:45
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When should the xlsm or xlsb formats be used?
... GHz, 4 GB RAM, 5.400 rpm SATA II HD; Windows 7, under somewhat heavy load from other processes.)
Beside this, there should be no differences. More precisely,
both formats support exactly the same feature set
cites this blog post from 2006-08-29. So maybe the info that .xlsb does not support...
cannot find zip-align when publishing app
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I had the same problem.
And to fix it, I copy the Zipalign file from sdk/build-tools/android-4.4W folder to sdk/tools/
Edited: Since Google updated SDK for Android, new build-tools does fix this problem. So I encouraged everyone to update to Android SDK Build-tools 20 as suggested by Pan...
How to exclude a directory in find . command
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From manpage: Because -delete implies -depth, you cannot usefully use -prune and -delete together. So, how do I go about deleting with find if I want to exclude specific directories from the deletion?
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SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
...unning the sql server instance on my local box and attempting to access it from the same machine.
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How can I group data with an Angular filter?
...ild this repository
via Bower: by running $ bower install angular-filter from your terminal
via npm: by running $ npm install angular-filter from your terminal
via cdnjs http://www.cdnjs.com/libraries/angular-filter
(2) Include angular-filter.js (or angular-filter.min.js) in your index...
Access-Control-Allow-Origin Multiple Origin Domains?
...the recommended way to do it is to have your server read the Origin header from the client, compare that to the list of domains you would like to allow, and if it matches, echo the value of the Origin header back to the client as the Access-Control-Allow-Origin header in the response.
With .htacces...
How to initialise a string from NSData in Swift
I have been trying to initialise a string from NSData in Swift.
7 Answers
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