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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
I'm writing an event-driven publish/subscribe application with NodeJS and Redis. I need an example of how to notify web clients when the data values in Redis change.
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Any reason to prefer getClass() over instanceof when generating .equals()?
... check for type match in an implementation of equals() . A class can allow mixed-type comparison between super- and subclass objects by means of the instanceof operator, or a class can treat objects of different type as non-equal by means of the getClass() test. The examples above illustrated nicely...
Are PostgreSQL column names case-sensitive?
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The column names which are mixed case or uppercase have to be double quoted in PostgresQL. So best convention will be to follow all small case with underscore.
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
How do you return a multiline text CGSize from the new iOS 7 method sizeWithAttributes?
9 Answers
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What are the sizes used for the iOS application splash screen?
I am developing an application using the iOS SDK. I need to know what Default splash screen sizes I need.
10 Answers
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UICollectionView reloadData not functioning properly in iOS 7
I've been updating my apps to run on iOS 7 which is going smoothly for the most part. I have noticed in more than one app that the reloadData method of a UICollectionViewController isn't acting quite how it used to.
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Take screenshots in the iOS simulator
I want to take a screenshot of my iOS application when it is running in the simulator, and save the screenshot on my Mac. How can I do this?
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Detect Retina Display
Does iOS SDK provides an easy way to check if the currentDevice has an high-resolution display (retina) ?
14 Answers
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From io.Reader to string in Go
I have an io.ReadCloser object (from an http.Response object).
7 Answers
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ipad safari: disable scrolling, and bounce effect?
...s answer is no longer applicable, unless you are developing for a very old iOS device... Please see other solutions
2011 answer: For a web/html app running inside iOS Safari you want something like
document.ontouchmove = function(event){
event.preventDefault();
}
For iOS 5 you may want to ...