Andrew Pontious talks with Wolf Rentzsch about performance, including the difference ways to define performance improvements, techniques Andrew himself has used, and tips from Apple's WWDC sessions. Plus: bcrypt is soooo 2008.

Wolf Rentzsch talks to Andrew Pontious about his Çingleton 3 presentation, "Fillers and Spillers": his terms for those who advance human progress (such as scientist, engineers, and artists) and those who propagate those advancements to everyone else.

Andrew Pontious talks with Wolf Rentzsch about the challenges of cross-platform development, including Mac vs. Windows, OS X vs. iOS, and iOS 6 vs. iOS 7.

Wolf Rentzsch talks to Andrew Pontious about threads, explaining what they are, giving them a robust defense, and providing hints about his sordid concurrency past. (Spoiler: GCD wins in the end.)

Andrew Pontious tells Wolf Rentzsch about the changes in Xcode 5, including a more iOS-like appearance, expanded SCM functionality, new unit test UI, and most importantly, a very welcome overhaul of Interface Builder's Auto Layout support.

Wolf Rentzsch talks to Andrew Pontious about ARM64: its history, its advantages, and its surprisingly unsurprising ISA (instruction set architecture).

Andrew Pontious talks with Wolf Rentzsch about debugging: the oddity of combining a programmer's creation role with mystery solving, debugging difficulty levels, and the tools we use, including Instruments and lldb. Plus: git bisect.

Wolf Rentzsch tries to scare Andrew Pontious with all the decisions you're likely to get wrong when implementing a cryptographic system and gives some advice on how to cope. (To skip the beginning infodump, start at 7:50.)

Andrew Pontious covers with Wolf Rentzsch three aspects of learning the source code of an unfamiliar project: teaching someone else your codebase, learning a new codebase yourself, and the extra steps Andrew takes.

Wolf Rentzsch talks with Andrew Pontious about the past, present, and future of file systems, from MFS to ZFS and beyond. Plus, how Apple could advance the state of the art with SSDs.