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If you regularly switch between branches, keep separate runtime environments, or want AI agents to work without disturbing your main checkout, a bare repository plus git worktree is one of the cleanest setups.
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Quick notes for running a WireGuard tunnel on an Apple Silicon Mac with wg-quick and launchd.
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If you set PasswordAuthentication no in sshd_config and SSH still accepts a password, the problem is usually not your keys. The problem is that OpenSSH can still allow password-like login through KbdInteractiveAuthentication, often backed by PAM.
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Quick note from testing codex cli 0.119.0 on Windows: prefix_rule was not practical for allowing common git commands in a reusable way.
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Quick notes for setting up the Windows OpenSSH server from the OpenSSH-Win64.zip package.
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These are rules to reread, not slogans to admire.
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Calling hierarchies for computing homography (H), fundamental matrix (F), essential matrix (E), and bundle adjustment (BA) in OpenCV.
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Why gold-standard geometric error and symmetric transfer error differ, and when each is appropriate for evaluation and optimization.
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Why a circle becomes an ellipse after affine distortion, and how that ellipse (or two known length ratios) provides the two constraints needed for metric rectification.
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Exploring the applications and intuitive understanding of planar homologies in projective geometry, computer vision, and geometric transformations.
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An analysis of the systemic problems in China’s math education system, examining what works and what doesn’t, and comparing approaches with other countries.
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A collection of command-line scripts and tools for managing virtual machines using Libvirt, KVM, and QEMU, covering common VM operations, automation, and best practices.
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A guide to resolving OpenGL/EGL initialization and rendering issues when running ORB-SLAM3 in Docker containers on hosts with NVIDIA GPUs, covering proper GPU passthrough, EGL context setup, and common pitfalls.
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Learn how to quickly create a new terminal in Jupyter using a custom keyboard shortcut. This is especially useful for developers who frequently need to run shell commands while working in Jupyter notebooks.
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A comprehensive Docker setup for bioinformatics work, featuring non-root user configuration, Python virtual environments, R with Seurat, and Jupyter Lab with multi-profile docker-compose support.
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The term ‘HAL’ means different things in different domains—from kernel-level platform abstraction to application-level sensor control. Understanding these differences helps clarify domain-specific architecture choices.
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The HAL is not necessarily a module — it’s a boundary of responsibility between hardware-dependent and hardware-independent code.
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Quick notes to make a Cursor AppImage launchable from your desktop menus and include a proper icon.
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Having builds fail with: