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Difference between a Factory, Provider and a Service?
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Factory: Assembles classes, either by composing a bunch of bits together, or choosing type based on some kind of context
Provider: Provider is something microsoft "invented" (basically an abstract factory pattern) that is a way of doing a factory of factories...
Time complexity of Sieve of Eratosthenes algorithm
...mbers at P^2. All multiples of P less than P^2 will have been crossed off by previous prime numbers.
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What's the point of 'meta viewport user-scalable=no' in the Google Maps API
...xelated labels. The idea is that the user should use the zooming provided by Google Maps. Not sure about any interaction with your plugin, but that's what it's there for.
More recently, as @ehfeng notes in his answer, Chrome for Android (and perhaps others) have taken advantage of the fact that t...
Who sets response content-type in Spring MVC (@ResponseBody)
... @Hurda: Obviously you can specify any content type that you wish by changing the value of the produces attribute.
– Jonik
May 28 '13 at 8:58
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Difference between shadowing and overriding in C#?
... C#.
Often hiding (shadowing in VB) and overriding are shown as in answer by Stormenet.
A virtual method is shown to be overridden by a sub-class and calls to that method even on the super-class type or from inside code of the super-class will call the replacement implementation from the sub-class...
A proper wrapper for console.log with correct line number?
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@A.B.Carroll You could console.log twice by binding a custom log() function containing two calls to console.log, however the line numbers would reflect the line that console.log actually resides on, not where debug.log is called. However, you could do things like ad...
Can I find out the return value before returning while debugging in Visual Studio?
...ot that I know of. Note that if you do add a variable, it will get removed by the compiler in release builds anyway...
Update:
This functionality has been added to VS2013.
You can see the return values in the autos windows or use $ReturnValue in the watch/immediate window.
The value can only be se...
Drawing a dot on HTML5 canvas [duplicate]
...e data of the canvas to do pixel drawing.
var canvas = document.getElementById("myCanvas");
var canvasWidth = canvas.width;
var canvasHeight = canvas.height;
var ctx = canvas.getContext("2d");
var canvasData = ctx.getImageData(0, 0, canvasWidth, canvasHeight);
// That's how you define the value of...
javascript regex - look behind alternative?
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Look ahead is available since version 1.5 of javascript and is supported by all major browsers
Updated to match filename2.js and 2filename.js but not filename.js
(^(?!filename\.js$).).+\.js
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How to call getClass() from a static method in Java?
...s are provided in other answers, but they have downsides such as inflating bytecode or adding runtime introspection. I don't recommend these. Copy-paste is an editor concern, so an editor solution is most appropriate.
In IntelliJ, I recommend adding a Live Template:
Use "log" as the abbreviatio...