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Author Archives: Allen
Speed up ActiveMQ performance by 25x
Sometimes we encounter the performance issue for persistent messaging using ActiveMQ. Here’s the best practice on Linux system to accelerate it. https://blog.christianposta.com/activemq/speeding-up-activemq-persistent-messaging-performance-by-25x/
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使用 git worktree 建立多個工作區
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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Materials for Neural Network
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 Algorithm. URL: https://page.mi.fu-berlin.de/rojas/neural/chapter/K7.pdf5. Derivation of Back Propagation Algorithm for Forward Neural Networks. URL: http://www.cs.put.poznan.pl/pliskowski/pub/teaching/eio/lab1/eio-supplementary.pdf6. 凸優化 梯度下降。URL: http://www.hanlongfei.com/凸优化/2015/09/29/cmu-10725-gradient/7. Geadient Descent demystified. URL: https://towardsdatascience.com/gradient-descent-demystified-bc30b26e432a8. An introduction to gradient descent … Continue reading
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It’s time to push my career forward
After a long time, almost 3 months, I’ve done my PhD degree. In the past, I could not image that I get my PhD. Thanks for my supervisor’s and family’s great supports. I did it!Through the training of PhD, making … Continue reading
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Build your service using Pritunl and Lets Encrypt
Pritunl is an open source enterprise VPN platform which is used to easily build free VPN service.It is built on the top of TLS/SSL protocol and is not easily banned by some countries. 🙂However, by the default settings of its … Continue reading
Posted in Linux, VPN
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Math Editor in C#
When you are acquiring to integrate a math editor into your application in WPF (Windows Presentation Foundation), I recommend you to use this math editor project called OOP in the Real World – Creating an Equation Editor in Code Project … Continue reading
Posted in C, Programming, WPF
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Install CKAN 2.5 on Ubuntu 14.04 LTS
Author: Jyun-Yao Huang (Allen; allen501pc@gmail.com)System Environment: Ubuntu Linux 14.04 LTS (64bits) 1. Update the metadata of packages $ sudo apt-get update 2. Install apache2, nginx, apache’s module wsgi and the library of postgres- libpq5. $ sudo apt-get install -y nginx … Continue reading
Posted in CKAN, Security
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[WordPress] A Method for combining both of plain and custom URLs
In WordPress, we usually set the custom URLs for the purpose of SEO.For the old plain URLs which are previously published to other sites, we should maintain them by redirecting to the new custom URLs. The htaccess setting can simply … Continue reading
Posted in PHP, Web Design, wordpress, 程式設計, 網頁撰寫
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HTML Specification Standard
https://html.spec.whatwg.orgThe version of HTML specification description is greater than W3C’s.
Posted in HTML, Web Design
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How to install SSL on CKAN
Please refer to the configuration files: https://gist.github.com/nigelbabu/076ad12c13b2071de8e1 Related references: (Chinese) Let’s Encrypt 的 SSL 憑證安裝 How To Secure Nginx with Let’s Encrypt on Ubuntu 14.04
Posted in CKAN, Software
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