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How do short URLs services work?
... TinyURL or Metamark work?
Do they simply associate the tiny URL key with a [virtual?] web page which merely provide an "HTTP redirect" to the original URL? or is there more "magic" to it ?
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How to create a file in memory for user to download, but not through server?
... can create a text file on the client side and prompt the user to download it, without any interaction with the server?
I know I can't write directly to their machine (security and all), but can I create and prompt them to save it?
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How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
I'm currently using popovers with Twitter Bootstrap, initiated like this:
31 Answers
3...
Android check internet connection [duplicate]
...rying to create a function that checks if a connection is available and if it isn't, go to an activity that has a retry button and an explanation.
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What is difference between functional and imperative programming languages?
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Definition:
An imperative language uses a sequence of statements to determine how to reach a certain goal. These statements are said to change the state of the program as each one is executed in turn.
Examples:
Java is an imperat...
throws Exception in finally blocks
...
I usually do it like this:
try {
// Use the resource.
} catch( Exception ex ) {
// Problem with the resource.
} finally {
// Put away the resource.
closeQuietly( resource );
}
Elsewhere:
protected void closeQuietly( Resource r...
Handle file download from ajax post
...ds ajax POST requests to a certain URL. Response might be a JSON string or it might be a file (as an attachment). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client to download it? I've read a numbe...
Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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Why does calling a function in the Node.js REPL with )( work?
Why is it possible to call function in JavaScript like this, tested with node.js:
3 Answers
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UIView with rounded corners and drop shadow?
....layer setShadowColor:[UIColor blackColor].CGColor];
[v.layer setShadowOpacity:0.8];
[v.layer setShadowRadius:3.0];
[v.layer setShadowOffset:CGSizeMake(2.0, 2.0)];
You can adjust the settings to suit your needs.
Also, add the QuartzCore framework to your project and:
#import <QuartzCore/Quart...