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How to draw a rounded Rectangle on HTML Canvas?
...nt.getElementById("rounded-rect").getContext("2d");
// Draw using default border radius,
// stroke it but no fill (function's default values)
roundRect(ctx, 5, 5, 50, 50);
// To change the color on the rectangle, just manipulate the context
ctx.strokeStyle = "rgb(255, 0, 0)";
ctx.fillStyle = "rgba(...
CSS for grabbing cursors (drag & drop)
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CSS3 grab and grabbing are now allowed values for cursor.
In order to provide several fallbacks for cross-browser compatibility3 including custom cursor files, a complete solution would look like this:
.draggable {
cursor: move; /* fallback: no `url()` support or images disabled *...
How to build & install GLFW 3 and use it in a Linux project
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Note that you do not need that many -ls if you install glfw with the BUILD_SHARED_LIBS option. (You can enable this option by running ccmake first).
This way sudo make install will install the shared library in /usr/local/lib/libglfw.so.
You can then compile the example file with a simple:
g++ ma...
Studies on optimal code width?
...rson shouldn't have to turn their head or rotate their eyes all the way in order to read from one end of a line to the other. So much rapid eye or head rotation would probably cause vertigo if done all day.
– maurice
Feb 5 '18 at 18:46
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Is there a library function for Root mean square error (RMSE) in python?
...a best guess could be preferred if there are lots of missing values.
In order to guarantee relative correctness of the RMSE output, you must eliminate all nulls/infinites from the input.
RMSE has zero tolerance for outlier data points which don't belong
Root mean squared error squares relies on...
Understanding the ngRepeat 'track by' expression
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a short summary:
track by is used in order to link your data with the DOM generation (and mainly re-generation) made by ng-repeat.
when you add track by you basically tell angular to generate a single DOM element per data object in the given collection
this co...
Which Eclipse files belong under version control?
...h Configuration preference panel: It is common to soft-delete a project in order to import it back again - to force a reinitialization of the eclipse metadata. But this option, if checked, will remove your detailed launch parameters!)
project-dir/.project
project-dir/.classpath
project-dir/.setting...
jQuery .hasClass() vs .is()
...ay 'not a huge difference, my point is that you need to do 10000 cycles in order to see 0.8s of a difference. I'd be surprised to see a web application such that switching from is to hasClass would see a significant improvement in over all performance. However, I grant that this is a 35% improvement...
AngularJS : What is a factory?
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So one way of looking at them, is that in order of complexity they go Provider > Factory > Service > Value ?
– Code Whisperer
May 16 '13 at 20:17
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Why should weights of Neural Networks be initialized to random numbers? [closed]
...ere is a consensus that weights should be initialized to random numbers in order for the network to converge faster.
9 Answ...