https://jsokit.com/blog/tags/background/ Recent content in Background on JsonKit Blog Hugo en © 2025 JsonKit Fri, 10 Apr 2026 16:45:17 +0000 https://jsokit.com/blog/posts/linux-wget-command-a-practical-guide-from-basics-to-advanced-downloads/ Fri, 10 Apr 2026 16:45:17 +0000 https://jsokit.com/blog/posts/linux-wget-command-a-practical-guide-from-basics-to-advanced-downloads/ Linux wget Command: A Practical Guide from Basics to Advanced Downloads wget is one of the most classic command-line download tools in Linux. Unlike graphical downloaders, it supports resume, background downloads, rate limiting, and is perfect for automation on servers. This article covers everything from implementation principles to practical tips. The Core Mechanism of wget wget’s design philosophy is “non-interactive download” — it handles retries, timeouts, and redirects without user intervention. https://jsokit.com/blog/posts/image-to-sketch-gaussian-blur-and-color-dodge-blending-with-canvas/ Wed, 25 Feb 2026 14:21:49 +0000 https://jsokit.com/blog/posts/image-to-sketch-gaussian-blur-and-color-dodge-blending-with-canvas/ Image to Sketch: Gaussian Blur and Color Dodge Blending with Canvas I was building an image processing toolkit and needed to convert photos into pencil sketch style. After some research, I found the core principle is surprisingly simple: it’s all about combining Gaussian blur with color dodge blending. The Theory Behind Sketch Effect What characterizes a traditional pencil sketch? Clear lines, strong contrast, white background. In digital image processing, edge detection methods like Sobel operator or Canny algorithm are common.