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This category contains 17 posts
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How to Get Core ML Produce Images as Output

Core ML’s tools to convert other framework’s machine learning models is a pretty awesome feat in itself. However it is by no means complete. I found some issues in converting models which outputs images. Issues which took me a few weeks to solve even after many consultations to Google and Apple’s own forums. But here’s […]

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Touch Bar Programming Tips

It’s high time you update your macOS app to support the Touch Bar. You’ll need to have some strategy on how to design your Touch Bar interface – don’t just pour any buttons into it. Here’s some tips on how to work this new hardware.

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Should You do Free Work to Get Hired?

Have you been asked to do a sample project as part of a hiring process? I’ve done it, not only once but **twice** as part of the same process. Here are those projects. You should be able to learn a thing or two from it Either learn the iOS programming techniques behind these two 40-hour […]

How to Design Apps (Even if you’re not a designer)

You want to design apps? You either need to hire a designer or become one. Luckily it isn’t too hard to come up with a reasonable design.

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Speech Timer 2 Lessons Learned

Learn about upgrading your skeuomorphic iOS 6 user interface to iOS 7’s new content-first style, supporting three Apple devices from a single code base, and much more. These are hard lessons learned while I was developing the second version of Speech Timer that you can take advantage of so that you won’t make the same […]

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Programmatically Sending Rich Text e-mail with Attachments on the Mac

If your users needs a precomposed e-mail with attachments, now you can easily do it on the Mac with a few lines of code

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Tips for Architecting Dual-platform OS X / iOS Applications

How to share common code between OS X and iOS and architect your app to dance around each platform’s similarities and differences.

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How to Get Google’s Productivity in Your Office

I have been assigned for 7 weeks by my office to work at the client side. I found the atmosphere there, much better than my office. In terms of employee happiness and productivity. Perhaps I can sum up the experience as a Google like experience.

Stressed Out

Lean Startup is Crap!

Why trusting the lean startup methodology can cause false negatives for your otherwise bright ideas. See the pitfalls of running lean and how you can walk past through them.

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Implementing Your Own Cookie Storage

Cocoa stores cookies on its own and this makes it hard to implement a web client that appears as more than one user at the same time to the web server. To do this you’ll need to make your own cookie storage and this article teaches you how.

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Sound Code: Subliminal Data Transmission through Audio Waves

Have you heard of sound code? It may be the next big breakthrough in marketing and online commerce. It could also be an exotic technology only applicable to a few very specific set of industries.

Core Data now officially supports concurrency and I/O in background threads since OS X 10.7 and iOS 5. In the same release, Apple also brought the document architecture to iOS that leverages this new capability of Core Data. However OS X didn't get the same level of multicore love. In this post, I'll show you how to create a multi-core supporting document architecture application for OS X.

Bringing Asynchronous Core Data documents to OS X

Core Data now officially supports concurrency and I/O in background threads since OS X 10.7 and iOS 5. In the same release, Apple also brought the document architecture to iOS that leverages this new capability of Core Data. However OS X didn’t get the same level of multicore love. In this post, I’ll show you […]

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Sandboxing the PubSub framework

Are you having trouble sandboxing your app for the Mac App Store? I did and here is my experience on sandboxing News Anchor that uses Apple’s PubSub framework and didn’t play well with the sandbox. This cost me a DTS ticket and you will want to pay attention if your app also consumes RSS/ATOM feed […]

Do you enjoy reading publications like TechCrunch, FastCompany, or even HackerNews? You might be addicted to entreporn. Curious what entreporn is? Read on.

Entreporn: A Dictionary Definition

Do you enjoy reading publications like TechCrunch, FastCompany, or even HackerNews? You might be addicted to entreporn. Curious what entreporn is? Read on.

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