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Reference: What is variable scope, which variables are accessible from where and what are “undefined
...this function it's clear where the values it works with originate from. It then explicitly returns a value. The caller has the confidence to know what variables the function will work with and where its return values come from:
$baz = 'baz';
$blarg = foo($baz);
Extending the scope of variables ...
Request Monitoring in Chrome
...n change that link to open in the same window by setting target='_self' ). Then, for example, you can see the response from the form that got submitted after it redirects you. Make sure to also notice the filter as the responses pile up on new page loads.
– JeremyS
...
How do I check whether a jQuery element is in the DOM?
... my question: Call
$foo.parent()
If $f00 has been removed from the DOM, then $foo.parent().length === 0. Otherwise, its length will be at least 1.
[Edit: This is not entirely correct, because a removed element can still have a parent; for instance, if you remove a <ul>, each of its child ...
How to check whether mod_rewrite is enable on server?
...
I've tried a lot to solve this and then when try this it works for me. I have the last apache and ubuntu now.
– Fernando Sanchiz
Apr 17 '16 at 18:03
...
'ssh-keygen' is not recognized as an internal or external command
...nstalled)
Run "Git Gui" (Start --> Git --> Git Gui)
Click Help and then Show SSH Key
Click Generate Key if you do not have one already
Note:- this creates the key files under your personal profile folder C:\Users\YourUserID\.ssh\
...
Remove array element based on object property
...ou can use lodash's findIndex to get the index of the specific element and then splice using it.
myArray.splice(_.findIndex(myArray, function(item) {
return item.value === 'money';
}), 1);
Update
You can also use ES6's findIndex()
The findIndex() method returns the index of the first ele...
Map Tiling Algorithm
...'m making a tile based RPG with Javascript, using perlin noise heightmaps, then assigning a tile type based on the height of the noise.
...
Double vs single quotes
...y allow for string interpolation. If you do not want string interpolation, then you should not use double quotes.
– Panh
Jul 11 '18 at 13:58
4
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Change EOL on multiple files in one go
...
replace \n with \r\n. then replace \r\r\n with \r\n. voila!
– dev_row
Apr 16 '14 at 2:57
2
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Bootstrap: How do I identify the Bootstrap version?
... love in the world @twitter by @mdo and @fat.
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If they are not there, then they have probably been deleted.
VERSIONS:
You can review version history here. Backward compatibility shouldn't be broken if the source is v2.0.0 (Jan 2012) and above. If it is prior to v2.0.0 there are details on upg...