About Bill

iOS, Ruby on Rails developer in Naples, FL.
Author Archive | Bill

Creating the bouncy/zoom image effect in the KickStarter iOS app

By on April 25, 2013 in iOS, iPhone

The KickStarter iOS app is pretty awesome. In particular, I like the bounce/zoom effect they have when you pull down on a UITableView. Turns out, it’s pretty easy to replicate. Since UITableView inherits from UIScrollView, we can simply implement the scrollViewDidScroll delegate method and detect when a scroll happens. From there, we just scale the [...]

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Creating a pull to refresh animation like the popular Vine iOS app

By on April 21, 2013 in iOS, iPhone

I liked some of the details in Twitter’s Vine iOS app so I set out to make some of them. I thought the pull to refresh animation was pretty cool so I started with that. You can view the code on my github page. This is still a rough proof of concept version. https://github.com/lostincode/UIVinePullToRefresh

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Lighttpd – url rewrite and query string QSA

By on May 20, 2012 in Lighttpd

One of the first things I was curious about when I started using Lighttpd was url-rewrites. On apache mod_rewrites you can use the [QSA] flag to allow for the query string after your new urls. Here is the equivalent in lighttpd. This would go in your lighttpd.conf file which is usually located in /etc/lighttpd/lighttpd.conf on [...]

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PHP: Handle comma separated input

By on February 21, 2012 in PHP

A quick example of how to handle comma separated input from a POST variable in PHP. The code below will turn your POST variable into an array containing the user’s input which you can further validate or store in a database. This is useful for letting users add tags to items on your website. $tagsString [...]

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iOS tip: Center UILabel in tableFooterView

By on February 6, 2012 in iPhone

If you’re building an app that supports portrait and landscape you will probably run into an issue with keeping things centered after device rotation. Below is a quick example of adding a UILabel to a UITableView’s footer and keeping it centered regardless of device rotation. The trick is to use autoresizingMask which does all the [...]

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