Computing Life · An engineering notebook
Long-form notes on agentic systems, engineering judgment, astrophotography, hardware, coffee, and the tools that make a life easier to inspect and improve.
Career advice for new software engineers: why coding speed matters less than software engineering skills like extensibility and debugging, plus tips on initiative, decision-making, and mentorship.
写码能力不是评价码农的主要标准，软件工程的扩展性、维护性、自动化和debug能力更重要，以及进取心、做决策、沟通和找mentor的职业建议。
A mathematical approach to narrowband color synthesis - using linear algebra and matrix transformation to map H/S/O channels to custom RGB colors, enabling precise control over saturation and aesthetic palettes beyond standard SHO.
用线性代数实现窄带自定义调色：选取喜欢的颜色获取RGB值，通过矩阵变换将HSO通道投影到新色彩空间，实现饱和度可控的个性化调色盘。
深空技巧应用于星野摄影：PixInsight可控拉伸、校准场去除暗角、长焦接片提升星点质量、大光圈下窄带滤镜带宽偏移问题及前置滤镜解决方案。
Deep sky techniques for wide-field astrophotography: controlled stretching in PixInsight, calibration frames for vignetting removal, telephoto mosaics for better stars, and bandwidth shift issues with narrowband filters at wide apertures.
用大疆御3搭载ZWO天文相机实现1寸传感器320mm长焦：画质碾压原生长焦头，支持RAW和M档，探索无人机摄影的画质极限，整机重量控制在500g。
从hiring manager视角分析System Design面试的核心观察点：项目主导能力、价值排序、技术预见性和决策过程，附实际案例分析。
佳能EOS VR镜头创作指南：前期技法（利用视角与角度维度增强表现力），后期工作流（自制Python脚本解决官方软件痛点），开源工具分享。
佳能VR镜头系统三大痛点：不支持RAW、软件难用、分辨率不足，附自制工具和Topaz超分锐化的解决方案。