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How to access the correct `this` inside a callback?
...this` will refer to an object that inherits from `foo.prototype`
To learn more about this, have a look at the MDN documentation.
How to refer to the correct this
Use arrow functions
ECMAScript 6 introduced arrow functions, which can be thought of as lambda functions. They don't have their own this...
How to shrink/purge ibdata1 file in MySQL
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PHP - concatenate or directly insert variables in string
...implications, those won't matter 1.
As a sidenote, so my answer is a bit more complete: the day you'll want to do something like this:
echo "Welcome $names!";
PHP will interpret your code as if you were trying to use the $names variable -- which doesn't exist.
- note that it will only work if y...
Specify width in *characters*
... M, rather than the width. Same holds for ex, which is the height of an x. More generally speaking, these are the heights of uppercase and lowercase letters.
Width is a totally different issue....
Change your example above to
<div>
<span>1</span> 3 5 7 9 1 3 5 7 9 1
</di...
What are the disadvantages of using persistent connection in PDO
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How to deploy correctly when using Composer's develop / production switch?
...mposer.phar install --no-dev
As you can see the --dev flag is used (far) more than the --no-dev flag, especially when the number of developers working on the project grows.
Production deploy
What's the correct way to deploy this without installing the "dev" dependencies?
Well, the composer....
Getting time elapsed in Objective-C
...n [NSDate date] could lead to difficult to track bugs, see this answer for more info.
– Senseful
Aug 1 '13 at 6:43
@Pi...
How do I match any character across multiple lines in a regular expression?
... space and non-space] instead of the period matcher. See other answers for more info.
– Allen
May 9 '13 at 15:37
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Restricting input to textbox: allowing only numbers and decimal point
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it is accepting more than one '. [ period ]', which is wrong i guess.
– Akshay Chawla
May 1 '17 at 8:04
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