Command line tool for showing the number of threads spawned by any given process.

Command-line tool to list the users of a Linux machine. Made with Python 3.8.

Command-line tool to back up Postgresql databases locally or to S3. Built with Python 3.8.

Example SQL normalized database schema: tables, relationships, primary keys, foreign keys.

Lean app demonstrating Core Data and NSFetchedResultsController best practices.

Code snippet to fetch from an API, using Swift 5's convenient new Result type.

Algorithm that tests for prime numbers, with O(√n) time complexity.

Algorithm that calculates the height of a binary search tree, recursively.

Custom app that integrates bluetooth Flic buttons. Allows for programmable functionality when buttons are pressed.

Slick app that downloads and plays 30-sec track samples from iTunes.

Collaborative grocery list app, Firebase based.

Beautiful adaptive UI for multiple devices, portrait and landscape modes. Check the images!

Basic size classes demo, with labels showing selectively for different devices and orientations.

Nice app that takes names with honorifics and formats to last + first name format.

Nice app that allows you to build a (quote + image) snapshot that you can share. Uses web services.

Animated table view header, stretches the image as you scroll down

Nice app that creates receipts and groups them in a table view, according to tags.

Table view app with Core Data and NSFetchedResultsController.

App that downloads beautiful cat images from Flickr's API and shows the cat's location on a map.

Beautiful app that shows cat images fetched from Flickr's API, in collection view format.

Great example of the AVFoundation framework. Image picker, audio recorder and audio player.

Nice example of a collection view with custom layout, using layoutAttributes objects.

Photo app using UICollectionView

To-do app, great example of delegation and use of navigation controllers.

Beautiful iPhone images that can be seen by scrolling down

App that'll calculate your tips, pick the percent with a slider.

An app that will give temperature and windchill info.

Cute cat you can pet and feed.

Explore a mad scientist's house several rooms, non-linearly.

Nifty little app that allows you to assemble faces, using images of eyes, noses and mouves.