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How do I get the coordinates of a mouse click on a canvas element?
...d clientY properties work in all current browsers. You might want to check out Patriques Answer for a simpler, more recent solution.
Original Answer:
As described in an article i found back then but exists no longer:
var x;
var y;
if (e.pageX || e.pageY) {
x = e.pageX;
y = e.pageY;
}
else {
...
Regular Expressions: Is there an AND operator?
... "word1". Then the match position is reset and the second lookahead seeks out "word2". Reset again, and the final part matches "word3"; since it's the last word you're checking for, it isn't necessary that it be in a lookahead, but it doesn't hurt.
In order to match a whole paragraph, you need to...
Throwing exceptions from constructors
I'm having a debate with a co-worker about throwing exceptions from constructors, and thought I would like some feedback.
1...
Triggering HTML5 Form Validation
...nt.target.checkValidity();
}).bind('invalid', function(event) {
setTimeout(function() { $(event.target).focus();}, 50);
});
The first event fires checkValidity on every input element as soon as it loses focus, if the element is invalid then the corresponding event will be fired and trapped by ...
Your branch is ahead of 'origin/master' by 3 commits
...
Use these 4 simple commands
Step 1 : git checkout <branch_name>
This is obvious to go into that branch.
Step 2 : git pull -s recursive -X theirs
Take remote branch changes and replace with their changes if conflict arise.
Here if you do git status you will get ...
CSS: How do I auto-resize an image to fit a 'div' container?
...
object-fit
It turns out there's another way to do this.
<img style='height: 100%; width: 100%; object-fit: contain'/>
will do the work. It's CSS 3 stuff.
Fiddle: http://jsfiddle.net/mbHB4/7364/
...
How do you stop tracking a remote branch in Git?
...
Sure it is, feel free to reply when you find out and I'll happily update the comment
– Yoshua Wuyts
Jan 7 '17 at 12:21
...
Get number of digits with JavaScript
...logarithm for that base), which is the number of digits. Then we floor the output to only grab the integer part of that. Finally, we use the max function to fix decimal values (any fractional value between 0 and 1 just returns 1, instead of a negative number), and add 1 to the final output to get th...
An algorithm for inflating/deflating (offsetting, buffering) polygons
...se allowing it to be used in both freeware and commercial applications without charge.
Polygon offsetting can be performed using one of three offset styles - squared, round and mitered.
share
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...ve any supplementary characters in
utf8 columns and you need not worry about converting characters or
losing data when upgrading utf8 data from older versions of MySQL.
So to support these characters, your MySQL needs to be 5.5+ and you need to use utf8mb4 everywhere. Connection encoding needs...