Allen's Blog

Web frontend performance tuning

Aug 7, 2024 Allen Comment

I have tried some techniques to resolve some media loading problems. The lessons learned were: References:

Network setup for KVM-QEMU

Jun 1, 2023 Allen Comment

Qemu is a virtualization tool to virtualize IO including disk, network adapters. Typically, it supports 4 network models: Isolated, NAT, bridge and routing. Some materials

Web Design

Microsoft Edge Kiosk Mode /w Session Storage

Feb 12, 2023 Allen Comment

What’s kiosk mode? If you go to fast food market, you may use vendor machine/self-assist machine to complete your shopping tasks. The applications in the

C# Web Design

A c# implementation of Websocket: Websocket-sharp

Feb 10, 2023 Allen Comment

If you are finding a websocket library which completely implement Websocket protocol RFC 6455)[1]. I would like to introduce WebsocketSharp. [2] Performance tips Although there

image processing Web Design 未分類

Image rendering and scaling algorithms in browsers

Feb 9, 2023 Allen Comment

Image rendering control We can control the image rendering algorithms by setting image-rendering property in CSS. [1] What resize or image generation algorithms are in

C FFMPEG

FFMPEG: Decode and then encode frames to JPEG images

Jun 25, 2020 AllenComment

I’ve used FFMPEG library for a while. Actually, the FFMPEG library’s decoding process flow can

ActiveMQ

Speed up ActiveMQ performance by 25x

May 2, 2020 AllenComment

Sometimes we encounter the performance issue for persistent messaging using ActiveMQ. Here’s the best practice

git

使用 git worktree 建立多個工作區

May 2, 2020 AllenComment

Reference: https://medium.com/@kmsh3ng/%E4%BD%BF%E7%94%A8-git-worktree-%E5%BB%BA%E7%AB%8B%E5%A4%9A%E5%80%8B%E5%B7%A5%E4%BD%9C%E5%8D%80-5a02f6d9d3fd

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Some materials are enclosed here.1. 深度學習（二）：反向傳播 URL:http://chansh518.github.io/deep%20learning/2016/08/08/Deep-Learning-Notes-Backpropagation.html2. 一文看懂常用的梯度下降算法 URL: https://blog.csdn.net/u013709270/article/details/786675313. 邏輯回歸代價函數及其梯度下降公式 URL: https://blog.csdn.net/Mr_HHH/article/details/789347934. The Back Propagation

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