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Best way to find if an item is in a JavaScript array? [duplicate]
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As of ECMAScript 2016 you can use includes()
arr.includes(obj);
If you want to support IE or other older browsers:
function include(arr,obj) {
return (arr.indexOf(obj) != -1);
}
EDIT:
This will not work on IE6, 7 or 8 though. The bes...
CSS filter: make color image with transparency white
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You can use
filter: brightness(0) invert(1);
html {
background: red;
}
p {
float: left;
max-width: 50%;
text-align: center;
}
img {
display: block;
max-width: 100%;
}
.filter {
-webkit-filter: brightness(0) invert(1);
filter: brig...
Empty arrays seem to equal true and false at the same time
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edited Jun 23 '16 at 1:38
d_ethier
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answered Mar 30 ...
How to remove the querystring and get only the url?
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16 Answers
16
Active
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HTML5 Pre-resize images before uploading
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10 Answers
10
Active
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How do I specify multiple targets in my podfile for my Xcode project?
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CocoaPods 1.0 has changed the syntax for this. It now looks like this:
def shared_pods
pod 'SSKeychain', '~> 0.1.4'
pod 'INAppStoreWindow', :head
pod 'AFNetworking', '1.1.0'
pod 'Reachability', '~> 3.1.0'
po...
How can I convert a zero-terminated byte array to string?
I need to read [100]byte to transfer a bunch of string data.
13 Answers
13
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Static variables in member functions
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169
Since class A is a non-template class and A::foo() is a non-template function. There will be o...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
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163
This is a recurring subject in Stackoverflow and since I was unable to find a relevant impleme...
OAuth: how to test with local URLs?
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139
Update October 2016: Easiest now: use lvh.me which always points to 127.0.0.1.
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