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DTFoundation 1.7.2

This maintenance update for DTFoundation fixes a slew of warnings that appear building for iOS 8 only or with Xcode 6.

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Square-Cropping Images

Christian asks:

How would you – most elegantly – crop out the center square of an image, preserving the aspect ratio and output the image with a given size?

That’s a good question. There is a “classic” and a “modern” method to achieving this.

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Siri: Support “Countdown” synonymously with “Timer” in German

This has been bothering me ever since I switched my Siri to German. Now, finally, I radar’d it as rdar://17722963 and on Open Radar. Maybe then it finally has a chance to be fixed, eventually.

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Barcodes Book complete on MEAP

After I had handed in the seventh and final chapter of my Barcodes book, Manning is now also making this available on the Manning Early Access Program (MEAP). This makes the complete book content available for readers who prepurchased a copy.

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DTRichTextEditor 1.6.7

This maintenance release for DTRichTextEditor brings together various fixes from recent DTCoreText and DTFoundation updates and adds support for tint color.

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DTCoreText 1.6.13

This hot fix release for DTCoreText contains a pressing crashing bug related to changed behavior in iOS 8. It also adds support for animated GIFs. Plus a few other annoyances.

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DTFoundation 1.7.1

This minimalistic update to DTFoundation adds a helper method for loading small animated GIFs. It’s a hotfix release because no other functionality was modified.

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Understanding OAuth 1.0a

Chapter 6 in my book deals with how to build a solid wrapper around a RESTful web service and how to unit-test it. I thought I had finished principal writing on my book when I handed in chapter 7, soon too appear in the Manning Early Access Program (MEAP) for readers who have preordered.

I walk you through implementing a wrapper – using NSURLSession – for searching for CDs on Discogs by scanned barcode. Until now the Discogs search API did not require any sort of authentication, which made it ideal for this example. Then a fateful email arrived on Friday, June 20th.

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Object Overlay on Video

We always welcome guest bloggers on Cocoanetics.com. This edition was prepared by Tejas Jasani and covers how to overlay objects on live video using Brad Larson’s GPUImage project.
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Open Letter to Long Lost Contacts

I extracted all E-Mail addresses from my archive, dating back almost 6 years. From the resulting 7303 I filtered all that didn’t seem to address individual people. That left 5466.

For a while I considered sending an email to all of these via Mailchimp. I even wrote the letter below, in English because I figured that most people would understand that. But then I decided against sending a mass e-mail, fearing that it would cause me more trouble than positive outcomes.

Instead I’m posting it on my blogs. Much less of a nuisance …

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