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What's the best way to set a single pixel in an HTML5 canvas?
... the speed of these here: http://jsperf.com/setting-canvas-pixel/9 or here https://www.measurethat.net/Benchmarks/Show/1664/1
I recommend testing against browsers you care about for maximum speed. As of July 2017, fillRect() is 5-6× faster on Firefox v54 and Chrome v59 (Win7x64).
Other, sillier ...
How to execute XPath one-liners from shell?
Is there a package out there, for Ubuntu and/or CentOS, that has a command-line tool that can execute an XPath one-liner like foo //element@attribute filename.xml or foo //element@attribute < filename.xml and return the results line by line?
...
How do I run a Node.js application as its own process?
What is the best way to deploy Node.js?
16 Answers
16
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Suppress warning “Category is implementing a method which will also be implemented by its primary cl
...operty needs full read write access within the library.
Apple Docs link : https://developer.apple.com/library/ios/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/CustomizingExistingClasses/CustomizingExistingClasses.html
Search for "Use Class Extensions to Hide Private Information".
So t...
Converting a Uniform Distribution to a Normal Distribution
How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?
...
Calculate text width with JavaScript
...r that text is to be rendered with (e.g. "bold 14px verdana").
*
* @see https://stackoverflow.com/questions/118241/calculate-text-width-with-javascript/21015393#21015393
*/
function getTextWidth(text, font) {
// re-use canvas object for better performance
var canvas = getTextWidth.canvas...
Disabling Chrome Autofill
...ked it, works fine.
Got that tip from Chrome developer in this discussion:
https://bugs.chromium.org/p/chromium/issues/detail?id=370363#c7
P.S. Note that Chrome will attempt to infer autofill behavior from name, id and any text content it can get surrounding the field including labels and arbitrary ...
ios app maximum memory budget
...ened. This helps to find out what's the memory budget for any iOS device.
https://github.com/Split82/iOSMemoryBudgetTest
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How to change Vagrant 'default' machine name?
...
I found the multiple options confusing, so I decided to test all of them to see exactly what they do.
I'm using VirtualBox 4.2.16-r86992 and Vagrant 1.3.3.
I created a directory called nametest and ran
vagrant init precise64 http://files...
How do I increase modal width in Angular UI Bootstrap?
...
I use a css class like so to target the modal-dialog class:
.app-modal-window .modal-dialog {
width: 500px;
}
Then in the controller calling the modal window, set the windowClass:
$scope.modalButtonClick = function () {
var modalInstance = $modal.open({
temp...