Yi Tang

Qwen 3.6 35b has been a fantastic thinking companion for me, anything that I don’t know, I am not comfortable with, or having doubts with, I would check with it.

I work solely inside of Emacs, so when Emacs is down, I cannot do any work.

Had a chill day walking around the canal path in London, at 6:30 pm, I was keen to continue on the home office project.

On the Ground The standard Cat 6 plug is a pain to work with: I have to untwist the 4 pairs, make them perfectly straight, lay the 8 wires side by side with no gaps, and then insert all of them into the RJ45 plug in one go.

I had to extend the main Ethernet cable that connects the main router in the living room to the secondary router in the new office.

So there are few notes that helped me to learn Info.

I have been testing using Ledger-Cli to track my expenses, so far I have found the tagging system useful.

Problem Statement My personal desktop is not booting (the motherboard is probably dead) so I have been setting my server so I can work while sorting things out.

Table of Contents Good Start for Self-Hosting Lack of NAS Capacity Looking for a Successor Unexpected Setting up z170a Power Consumption Good Start for Self-Hosting The little Raspberry Pi 4 (RP4) served me well in the last two years.

Table of Contents Personal Technical Challenge Baby Steps Why?

Table of Contents Motivation Implementation Parameterisation Motivation From a modelling perspective, it is not a big problem to have highly correlated features in the dataset.

Table of Contents Excel Is Great But Emacs Has More To Offer Excel Is Great Regardless of how powerful and convenient the R/Python data ecosystem becomes, there is still value in looking at the data in Excel, especially when exploring the data together wi…

Why?

I do my best to keep my blog simple, I would not use images/videos unless I can’t demonstrate well enough in plain text, for example, to demonstrate a mobile app using a screenshot (Learn in Emacs - Building Up Vocabulary) or how to represent stock price…

Table of Contents WHY?

Table of Contents Why?

Table of Contents Motivation Emacs Lisp Implementation Bash Implementation Motivation Continuing from my last post, the EPA provides a seamless interface when working with GPG files in Emacs.

Table of Contents WHY?

Table of Contents Problem Solution Implementation Problem While I was working on improving the URL in my last post, I noticed the URLs are not readable, for example, http://yitang.uk/2023/12/18/jekyll-in-emacs-update-blog-post-title-and-date/#org0238b9f T…

Table of Contents Emacs Lisp Time Code I’m the type of writer who writes first and comes up with the title later.

Table of Contents Experiment Set up i5-13600k - Efficient Cores Count 3970x - Disappointing Results i5 vs. 3970x - Training in Parallel CPU vs.

Table of Contents Technical Debt Revisit the Tech Stack Long Ride with Jekyll This static blog is built using Jekyll in 2014.

Table of Contents Emacs Server Configuration Launch Emacs GUI in Terminal Launch Emacs GUI in Spotlight I switched to MacOS last year for editing home gym videos.

Table of Contents Imaging On-the-fly Scipy Sparse Matrix Numpy Bites Problems of Having Millions of Files I’m working on replicating the (Re-)Imag(in)ing Price Trends paper - the idea is to train a Convolutional Neutral Network (CNN) "trader" to predict t…

I have been working on the Deep Learning System course.

dired-rsync is a great additional to my Machine Learning workflow in Emacs Table of Contents File Manager GUI Rsync Tool in CLI Emacs’ Way: dired-rsync Setup for dired=rsync Enhance dired-rsync with compilation mode For machine learning projects, I tweaked

Table of Contents Started Seeing Ace-Window Windmove Back to where it started Started Seeing The good thing about Emacs is that you can always tweak it to suit your needs.

If you need automated backups for Time Machine and have a Raspberry Pi, You will find this post useful.

Table of Contents Using Emacs Server Without Systemd How to Implement As Systemd Service Enhance User Experience sudo Privilege Environment Variables Start Emacs Server Before Login?

Table of Contents Final Ensemble Models Collaboration Some Kagglers to Avoid Avito Demand Prediction Challenge asks Kagglers to predict the "demand" likelihood of an advertisement.

Data processing time will becomes longer and longer as the increasing rate of data volumes.

Here is what tried to build a TAG for multiple R packages.

R is a great language for R&D.

I've always wanted to create a GIF using Emacs to demonstrate some features, it just looks so cool.

My MacBookPro's hard drive stooped working last week and I managed to recover most of the data from a Time Machine back-up 6 months ago.

Someday I typed more than 80 thousand times just in Emacs.

The search-forward-regexp, replace-match, and match-string functions work together nicely, and makes my job much easier and enjoyable!

Table of Contents The Irregular Data Files First Attempt - Skip Lines Second Attempt - Remove Lines Third Attempt - Capture Lines (RegExp) Code and Sample Data The first step in data analysis is to get the data into the modelling platform.

Like many R users who are not actually programmer, I am afraid of regular expression (RegExp), whenever I saw something like I'd told myself I won't be able to understand it and gave up on the sight.

Table of Contents Organising Managing Monitor DEADLINE: <2015-06-09 Tue 20:00> Org-mode is great to serve as knowledge management tool, it also has helped me increase my personal effectiveness.

The above two plots show the same data (included below), and if you are going to present one to summarise your findings, which will you choose?

I am a search-guy: when I want to know something, I use the search functionality to locate to where has the keyword, and I didn't use my eyes to scan the page, it's too slow and harmful.

Version control system is a complex issues, and hard to understand the idea of branching and different types of merging.

I am a Statistician, coding in R and write report is what I do most of the day.

Last Updated: 18 Jan 2015 This is the first technical article in this blog, however the main purpose is not to analyse the problem and provide the solutions, but to tell a story of an ordinary person trying to pursuit his vision in a multi-languages envir…

Last Updated: 31 Dec 2014 Do you use Emacs for writing the LaTeX, Markdown, or org documents?

Table of Contents Why I Learn Jekyll/Blog Process Raw Data Analysis 1 - Mixture of levels Analysis 2 - Time distribution Analysis 3 - Benefits Conclusion To Reader The learning skill becomes more and more important nowdays because there are just so much to