Getting started guides, How-to's, and in-depth explanation of various topics in software development.
Introduction As Tim Arnold explains in Manipulating PDFs with Python, even beautiful PDFs are often unspeakably ugly inside, and if you can avoid having to manipulate them, you should. Nonetheless, you've decided to ignore Tim's advice, and that's why you're here. (Or maybe you haven't actually seen
One common scenario for applications is displaying a UI that is driven by event data. In this tutorial I'll go over a very useful technique for building custom views that can be used in various layouts and updated by passing data to one container view per layout.
In this tutorial I'll show you how to make an Android widget that lets you silence a phone with a single tap. When run on Lollipop, it'll also place phones into priority mode and silence the ringer, allowing users to get notifications without a vibration
There are some nasty PDFs out there, but there are several tools you can use to get what you need from them. Python enables you to get inside and scrape, split, merge, delete, and crop just about whatever you find, and I'll show you how.
The second installment in my series on rate limiting with Redis covers two different but related methods using standard Redis commands and Lua scripting. Each approach expands the number of use cases for rate limiting, and cleans up some of the rougher edges of previous rate limiters.
Android Lollipop is brimming with new features, and one of them is lock screen notifications. In this tutorial I'll go over using the new `MediaStyle` for notifications and interacting with a `MediaSession` for controlling media playback states.
In this tutorial I'll walk you through using message broker software RabbitMQ with PHP. It acts as a middleman between a producer and a consumer. We'll build an app that sends emails on a delay as an example.
Create better spheres in Unity by subdividing the faces of an octahedron.
In this tutorial, I'll help you set up your Go environment and teach you how to handle test-drive development with the language.