Efficient PNG optimization in Python with Oxipng
Optimize PNG files from Python with pyoxipng, refuse existing outputs, handle batch failures, and check decoded pixels without confusing them with metadata.
Kevin van Zonneveld
DevTips
Empower your development workflow with our curated collection of quick tips and practical tutorials. From file handling and image processing to API integration and open source tools, our dev tips cover a wide range of topics to enhance your coding skills and boost productivity. Whether you’re a beginner or an experienced developer, dive in to find efficient solutions for your projects.
Optimize PNGs with Oxipng from the CLI and Rust
Optimize PNGs with Oxipng from the CLI and Rust. Save separate outputs, preview savings, and understand pixel, metadata, and file attribute preservation.
Tim Koschützki
Draft image alt text with AWS Rekognition and Node.js
Use AWS Rekognition and Node.js to return image labels for human alt text review, with local and S3 inputs, Redis caching, and explicit failure handling.
Kevin van Zonneveld
Add subtitles to videos in Ruby with open-source tools
Burn SRT subtitles into an MP4, shift cue timing, and convert captions to WebVTT with Ruby, streamio-ffmpeg, and the srt gem.
Kevin van Zonneveld
Streamline MP4 streaming in Java with Qtfaststart
Build a Java MP4 fast-start tool with qtfaststart-java, refuse existing outputs, and verify that relocating the moov atom preserves audio, video, and timing.
Kevin van Zonneveld
