Battuta

80 Hours to MVP

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I started 2018 with a grand plan of having 10 apps in the App Store by year’s end. I would split my time between developing apps and embarking on a new career in voice over. I had broken the plan down into four 13-week segments, each with a one week retrospective/break at the end. By the end of the 2nd quarter, it was obvious that...
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Comment on Når et gademarked på den anden side af jorden pludselig føles hjemligt by Ida

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Hej Tanja. Tak for en god beskrivelse af dit nye “hverdagsliv”. Astrid og jeg sidder lige her i sofaen og får os en kop teeee. Og så fandt vi ud af, at vi lige skulle ind og se om du havde noget at berette. Det lyder som om der sker en masse. Vi krydser fingre for, at du får en masse nye spændende opgaver i...
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Toy Photo Gallery Walkthrough

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The ToyPhotoGallery codebase is an example of native iOS development techniques that satisfy common needs among cloud-backed and resource-heavy user experiences. The application fetches a manifest of resource locations from Parse; retrieves thumbnail and optimized preview image assets from an S3 bucket; presents the thumbnails in a...
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Hi Sarah! Thanks for your note.

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Hi Sarah! Thanks for your note. The book is doing well — it’s available on Amazon for Kindle and in print.We haven’t marketed it much because we’ve been pretty focused on our respective jobs, but the feedback from people who’ve read it has always been great.Our goal was to write and publish something informative & helpful, and whether our readers are people with extensive travel experience or not, they’ve...
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Eliminating Collection View Tearing with XCode’s Time Profiler Instrument

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TL;DR: Using the Time Profiler to refactor collection view cell model image fetching and pull Parse’s return call off the main thread enables smooth scrolling. Dealing with complicated code paths involving DispatchQueue can lead to mistakes causing the main thread to be blocked when it shouldn’t be. In the...
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Ah yes, preach!

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Ah yes, preach! I have been on the road for 4+ years and it’s been wonderful (personally and professionally) but challenging.There’s a constant tension between misconceptions and reality:I’m on vacation (nope, rarely — other than major holidays, I think I’ve only taken a total of 10 days off in 4 years)I’m supported by a fairy godmother (no, I am earning income to support myself — although I obviously am privileged in...
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Prototyping a Tensegrity

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[This page is a Work in Progress…] A tensegrity is…. One simple tensegrity is… Elasticity helps with construction. A...
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Generating Interactive Particle Systems in OpenCV and SpriteKit

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[This page is a Work in Progress…] Infrared cameras produce color information that is consumed by OpenCV. Webcam (Amazon) Lighting (Amazon) Filter (B&H Photo) Color channels can be quickly reduced to grayscale data. OpenCV generates keypoints...
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Detecting Gestures from the Motion of the Body in Relation to Itself

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[This page is a Work in Progress…] Measuring the motion of a skeleton’s joints in relation to each other generates signals that can be recognized as gestures. Depth cameras, such as the Intel RealSense D415, can be configured to generate real-time skeleton data. ...
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Experimenting with Data Explorers

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[This page is a Work in Progress…] Interactive data explorers can help refine questions for better collection. Complex data sets can be untangled by the layout and filtering.
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