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Author Archives: Jerry Jones
SMPageControl, Meet UIAccessibility
A while back we introduced SMPageControl, our drop in replacement for UIPageControl with a slew of extra bells and whistles. It was surprisingly well received, and is by far the most popular bit of open source code we’ve released to … Continue reading
SMPageControl: UIPageControl’s Fancy One-Upping Cousin
If you’ve ever spent any time at Dribbble, you know how much designers love to customize UIPageControl, normally in the form of custom spacing or fancy inset looking page dots. As a developer, you’re probably also keenly aware of the … Continue reading
Sim Deploy
The iPhone Simulator is a big part of any iOS developer’s workflow, but running any apps in the simulator that weren’t put there by Xcode can be a major pain. Generally the simulator is considered a developers tool, so what’s … Continue reading
Cancel dispatch_after
Joel and I have been working on a project recently that relies pretty heavily on the delayed execution of blocks. It became evident pretty quickly that we needed a way to cancel these blocks. We worked around the problem in … Continue reading
Xcode Archives – What a Buncha Jerks
It’s been a little quiet around here lately, and if this post title hasn’t given it away, it’s because Joel and I have been pretty hard at work getting some products shipped. At the day job, the bossman is generally … Continue reading
Mistakes Were Made: Description Isn’t Enough
It’s my turn to take a crack at a “Mistakes Were Made” post, and this one happens to be about my first post on this blog. If you didn’t happen to catch that one – it was a post about … Continue reading
CFTree Is Leaking It’s Children
It’s 12:40 AM, and I’ve got a client related deadline tomorrow afternoon – so what am I doing writing a blog post? The real answer is: I’m not really sure; but the more relevant answer is: Because this took far … Continue reading
Integers in Your Collections (NSNumber’s not my friend)
Early on in the days of learning Cocoa, I remember coming across a situation where I had a bunch of integers that I needed to keep around, but wasn’t immediately sure about how to go about doing that using an … Continue reading
Posted in Code
Tagged CFArray, CFDictionary, Collections, NSArray, NSDictionary, objective-c, optimization
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Quick Tip: Drawing Right Side Up With Core Text
Anyone who has decided to explore using Core Text on iOS has probably noticed that everything is drawn upside down. This is because Core Graphics contexts that have been created with functions provided by UIKit (such as UIGraphicsBeginImageContext, or the … Continue reading
(More) Descriptive Logging
Update 9/30/11: This blog post isn’t quite complete. Have a look at Description Isn’t Enough, and remember to use debugDescription as well. Joel and I have been discussing the kinds of content we’d like to work on putting in our … Continue reading