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How to save an HTML5 Canvas as an image on a server?

I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is: ...
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Looking to understand the iOS UIViewController lifecycle

... All these commands are called automatically at the appropriate times by iOS when you load/present/hide the view controller. It's important to note that these methods are attached to UIViewController and not to UIViews themsel...
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Cosine Similarity between 2 Number Lists

... scientific routines for example, "routines for computing integrals numerically, solving differential equations, optimization, and sparse matrices." It uses the superfast optimized NumPy for its number crunching. See here for installing. Note that spatial.distance.cosine computes the distance, and ...
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How to do Base64 encoding in node.js?

...uld be .toString("binary") (atob stands for ascii(base64) to binary, after all) – 12Me21 Jan 14 at 19:55 @12Me21 I tho...
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Javascript Drag and drop for touch devices [closed]

...r("touchcancel", touchHandler, true); } And in your document.ready just call the init() function code found from Here share | improve this answer | follow ...
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Overriding fields or properties in subclasses

...his is how a truly polymorphic implementation of your property might look, allowing the derived classes to be in control. abstract class Parent { abstract public int MyInt { get; } } class Father : Parent { public override int MyInt { get { /* Apply formula "X" and return a val...
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NUnit Test Run Order

By default nunit tests run alphabetically. Does anyone know of any way to set the execution order? Does an attribute exist for this? ...
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor

We have an application running locally where we're experiencing the following error: 25 Answers ...
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UIRefreshControl without UITableViewController

...ng a UIRefreshControl instance as a subview to my UITableView. And it magically just works! UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init]; [refreshControl addTarget:self action:@selector(handleRefresh:) forControlEvents:UIControlEventValueChanged]; [self.myTableView addSubview:...
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How to check if two arrays are equal with JavaScript? [duplicate]

...e // the array, you should sort both arrays here. // Please note that calling sort on an array will modify that array. // you might want to clone your array first. for (var i = 0; i < a.length; ++i) { if (a[i] !== b[i]) return false; } return true; } ...