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How to find and return a duplicate value in array
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254
a = ["A", "B", "C", "B", "A"]
a.detect{ |e| a.count(e) > 1 }
I know this isn't very elega...
Print content of JavaScript object? [duplicate]
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edited Oct 26 '09 at 14:56
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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converting a base 64 string to an image and saving it
...ith image.Save(...).
public Image LoadImage()
{
//data:image/gif;base64,
//this image is a single pixel (black)
byte[] bytes = Convert.FromBase64String("R0lGODlhAQABAIAAAAAAAAAAACH5BAAAAAAALAAAAAABAAEAAAICTAEAOw==");
Image image;
using (MemoryStream ms = new MemoryStream(bytes)...
What is a coroutine?
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edited Feb 16 '09 at 15:54
answered Feb 16 '09 at 15:46
us...
Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
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Swift 4
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
// your function here
}
Swift 3
DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(0.1)) {
// your function here
}
Swift 2
let dispatchTime: disp...
How do I put a clear button inside my HTML text input box like the iPhone does?
... background: url('http://cdn.sstatic.net/stackoverflow/img/sprites.png?v=4') 0 -690px;
cursor: pointer;
}
span.deleteicon input {
padding-right: 16px;
box-sizing: border-box;
}
</style>
</head&...
Node.js quick file server (static files over HTTP)
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1140
A good "ready-to-use tool" option could be http-server:
npm install http-server -g
To use it...
Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
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edited May 2 '18 at 5:47
Afshar
19222 silver badges99 bronze badges
answered Jul 5 '12 at 17:58
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Why does ASP.NET webforms need the Runat=“Server” attribute?
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14 Answers
14
Active
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How do synchronized static methods work in Java and can I use it for loading Hibernate entities?
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edited Jul 4 at 7:11
Community♦
111 silver badge
answered Feb 23 '09 at 20:35
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