How to Change Web Page Titles Easily

 Posted on 2019-08-18  (Last modified on 2022-10-22)  |  2 minutes  |  222 words

There are times that I need to open many web pages of some specific websites within a browser, and there are so many tabs that I can't efficiently access one of them, as their favicons are all the same. So I tried to find a way to rename their titles, preferably in a lightweight way, so that I can spot them quickly with my eyes. The first thought came into my mind was to find some browser extensions to do the job. [Read More]
Tools  Bookmarklet 

Generating org-mode Outlines for wikiHow Articles

 Posted on 2019-07-20  |  2 minutes  |  249 words

Recently I found some great articles on wikiHow, then I want to keep notes of them in org-mode files. At first, I manually copied the ToC of articles, but soon I found it's tedious and takes a lot of time. Today I wrote a requests-based Python script to help me extract the ToCs (Table of Content) into org-mode outlines. It takes two arguments, the first one is the URL, the second one is the containing heading's level for the generated ToC in org-mode. [Read More]
Org-mode  Python  Emacs 

Understanding align-regexp of Emacs

 Posted on 2019-07-20  |  2 minutes  |  281 words

Emacs' M-x align-regex is neat when I want to align some similar text, especially when we're coding. I use its trivial version(without prefix arg) regularly on day-to-day programming work before. For example, I can use it to align below code quickly by: Choose the region M-x align-regexp and type = and Enter aaaaaaaaaaaaaa = fields[0] bbb = fields[1] cccccccc = fields[2] It will be aligned to below code, now it's better to read: [Read More]
Emacs 

ER Diagrams in Plain Text

 Posted on 2019-07-06  (Last modified on 2022-10-22)  |  3 minutes  |  520 words

If you ever wonder how to plot ER diagrams in plain text, you may have already heard of erd. It's a cool command line program written by Andrew Gallant in Haskell, to "compile" plain text files into nicely looking images, leveraging the power of GraphViz. I've used erd for some time, it's cool and the syntax is quite simple. It's also quite simple to install it on Linux, just install GraphViz and erd itself, by following the instructions in the README page. [Read More]
Python  Tools  texttoolkit 

Fine-tune Curly Braces Style of Yasnippet Snippet on the Fly

 Posted on 2019-02-24  (Last modified on 2019-03-10)  |  3 minutes  |  477 words

Yasnippet is a good friend to help us type less and write more, whenever we write some text snippets repeatedly. And there is also an official repository called yasnippet-snippets that contains various snippets for many programming languages (modes), so that we can have many snippets in no time by installing it. But there is a little problem when it comes to conforming to different coding styles. Take the if snippet for example, normally it will generate code like this: [Read More]
Emacs