How to create an Uber successful digital product vision

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The car of the future is shared and driven by software

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There are many visions on where mobility is going and how transportation will evolve. Which will prevail? Where will the disruption occur? I suspect the car I drive now, will be the last one I

Hey Siri, how do I start a conversation with someone with a disability?

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We all love Siri’s little witty quips, but I recently read a heartwarming article over on Mashable that reflects the power of technology to change lives in ways that most of us would never appreciate. I won’t spoil

CES 2017: Health and Accessibility

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Woes of KeychainWrapper and NSAssert

Thoughts By 5 years ago

If you have ever needed to store a password or other sensitive data in an iPhone app, you have probably used Keychain Access, Apple’s solution to storing data securely. You have also probably used Apple’s KeychainWrapper class, offering a very easy wrapper to storing info in the keychain.

The KeychainWrapper worked well in debug mode, but when building for release it didn’t seem to be writing objects to the keychain. I was fumbling around with this for hours, going over my own code thinking I had made a mistake somewhere. In the end I figured out what the problem was, in Apple’s code for KeychainWrapper the actual line that executed the commit to the keychain was inside an NSAssert, which is used for development, but as soon as you build for release or distribution every NSAssert is nullified, giving the same effect of commenting out anything on that line, removing the keychain commit code.