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Real mouse position in canvas [duplicate]

...ut the only way that it seems to work well is if the canvas is in the position 0,0 (upper left corner) if I change the canvas position, for some reason it doesn't draw like it should. Here is my code. ...
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How can I do something like a FlowLayout in Android?

...arn how to do it yourself. During the talk I wrote a FlowLayout implementation live on stage to show how simple it is to write custom layouts. The implementation is hosted here. share | improve thi...
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Why does this code using random strings print “hello world”?

...n this case -229985452 or -147909649), it follows the random number generation algorithm beginning with that seed value. Every Random constructed with the same seed will generate the same pattern of numbers every time. shar...
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Select elements by attribute in CSS

...tyles */ } There are a variety of attribute selectors you can use for various scenarios which are all covered in the document I link to. Note that, despite custom data attributes being a "new HTML5 feature", browsers typically don't have any problems supporting non-standard attributes, so you sh...
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Inject service in app.config

... they're designed. resolve takes either the string of a service or a function returning a value to be injected. Since you're doing the latter, you need to pass in an actual function: resolve: { data: function (dbService) { return dbService.getData(); } } When the framework goes to resolv...
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Which characters are valid/invalid in a JSON key name?

...F-8), etc? The both json.org and the linked official/formal ECMA specification PDF seem to imply that yes, those are valid in JSON, even in their literal forms (not just in the \u four-hex-digits form). – mtraceur Jun 16 '16 at 13:13 ...
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ASP.NET MVC Razor: How to render a Razor Partial View's HTML inside the controller action

...ame)) viewName = ControllerContext.RouteData.GetRequiredString("action"); ViewData.Model = model; using (StringWriter sw = new StringWriter()) { ViewEngineResult viewResult = ViewEngines.Engines.FindPartialView(ControllerContext, viewName); ViewContext viewContext =...
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?

Simple question really; is there a difference between these values (and is there a difference between BOOL and bool)? A co-worker mentioned that they evaluate to different things in Objective-C, but when I looked at the typedefs in their respective .h files, YES/TRUE/true were all defined as 1 an...
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How to convert a string to an integer in JavaScript?

... The simplest way would be to use the native Number function: var x = Number("1000") If that doesn't work for you, then there are the parseInt, unary plus, parseFloat with floor, and Math.round methods. parseInt: var x = parseInt("1000", 10); // you want to use radix 10 //...
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What is the difference between '@' and '=' in directive scope in AngularJS?

I've read the AngularJS documentation on the topic carefully, and then fiddled around with a directive. Here's the fiddle . ...