While Sinatra’s one-file approach may work well for your one-off, smaller application – it can quickly become a mess as you add on multiple routes, route-handlers, helpers, and configuration.…
When I was a Rails beginner I was amazed by Rails and Test Driven Development. But I often struggled with testing because I did not know…
N+1 queries are making your Rails app painfully slow. Learn how to eliminate them from your project.
Standard way of pulling images off the camea and into opencv for ROS
In this guide you will learn how to use the YOLO object detector to detect objects in images and video using OpenCV, Python, and Deep Learning.
We present YOLO, a new approach to object detection. Prior work on object
detection repurposes classifiers to perform detection. Instead, we frame object
detection as a regression problem to...
Select, put and delete data from JSON, TOML, YAML, XML and CSV files with a single tool. Supports conversion between formats and can be used as a Go package. - GitHub - TomWright/dasel: Select, put...
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Drag and drop countries around the map to compare their relative size. Is Greenland really as big as all of Africa? You may be surprised at what you find! A great tool for educators.
In this blog post I will be covering different topics in regards to rendering and redirection within a Sinatra app. These are two very…
Development is rarely a linear process, and our commits tend to reflect this. Here you'll learn about a git flow for faster PR reviews and an keeping your git history organized.
Learn about Sinatra Forms Params . Start learning to code for free with real developer tools on Learn.co.