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What is the best way to trigger onchange event in react js
...text.
var nativeInputValueSetter = Object.getOwnPropertyDescriptor(window.HTMLInputElement.prototype, "value").set;
nativeInputValueSetter.call(input, 'react 16 value');
var ev2 = new Event('input', { bubbles: true});
input.dispatchEvent(ev2);
For textarea element you should use prototype of HTM...
Check if an image is loaded (no errors) with jQuery
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Based on my understanding of the W3C HTML Specification for the img element, you should be able to do this using a combination of the complete and naturalHeight attributes, like so:
function imgLoaded(imgElement) {
return imgElement.complete && imgEle...
iOS: Multi-line UILabel in Auto Layout
...utWidth and see devetc.org/code/2014/07/07/auto-layout-and-views-that-wrap.html for a brief but informative writeup, complete with animated GIFs (not my writeup, I found it through Google)
– tboyce12
Oct 9 '15 at 0:46
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Optimal way to concatenate/aggregate strings
...ure SQL
https://www.postgresql.org/docs/current/static/functions-aggregate.html
https://docs.microsoft.com/en-us/sql/t-sql/functions/string-agg-transact-sql
GROUP_CONCAT() in MySQL
http://dev.mysql.com/doc/refman/5.7/en/group-by-functions.html#function_group-concat
(Thanks to @Brianjorden and @m...
JavaScript private methods
...tp://webreflection.blogspot.com/2008/04/natural-javascript-private-methods.html
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Linux: copy and create destination dir if it does not exist
...om the info page (viewable at http://www.gnu.org/software/coreutils/manual/html_node/cp-invocation.html#cp-invocation or with info cp or man cp):
--parents
Form the name of each destination file by appending to the target
directory a slash and the specified name of the source file. Th...
Detect rotation of Android phone in the browser with JavaScript
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It is possible in HTML5.
You can read more (and try a live demo) here: http://slides.html5rocks.com/#slide-orientation.
window.addEventListener('deviceorientation', function(event) {
var a = event.alpha;
var b = event.beta;
var g ...
Will Emacs make me a better programmer? [closed]
... other postings of his. http://steve-yegge.blogspot.com/2008_04_01_archive.html is probably the most comprehensive, but the info is buried in there since it's on a tangent to the main subject.
I guess to summarize: the programmers who are merely good or competent will pick up an IDE and get to know...
How do I copy an entire directory of files into an existing directory using Python?
...ctory with python
Reference - https://docs.python.org/3/distutils/apiref.html#distutils.dir_util.copy_tree
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How to disable typing special characters when pressing option key in Mac OS X? [closed]
...n/Cocoa/Conceptual/EventOverview/TextDefaultsBindings/TextDefaultsBindings.html
Here is a good list of things you can bind to:
https://www.hcs.harvard.edu/~jrus/site/selectors.html
Oh, by the way, if you bind a key to an undefined action, your application will have a memory leak and your system wi...