Introduction Groff is a ancient but powerful typesetting system that creates formatted output when given plain text mixed with formatting commands. By using the Mom macroset, one can compose PDF file from plain-text file easily. 1 groff -mom input.mom -Tpdf > output.pdf input.mom 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 .PRINTSTYLE TYPESET .TAB_SET 1

Introduction NeoMutt is a command line mail reader, a fork of Mutt. It' versatile and highly configurable. That is what it says on NeoMutt website, and the reason I decide to give it a try. Installation Base on Download page on NeoMutt website, it should be availble on most distro repos. 1 2 sudo apt install neomutt sudo pacman -S neomutt Configuration NeoMutt will try to load configuration on multiple location.

感知哈希算法 在数字图像处理领域中，认为图像在本质上是一种信号，表达图像的方式有两种，一种是时域方式，它由点阵构成，里面的每一个点存储着该位置

I was wathcing a movie located on my Home Server today, and all of a sudden, it became stuttering.I suspected it was MPV’s fault, so I tried another media player, unfortunately, it wasn’t. So, I decided to copy the movie to my local machine first. During the process I noticed something odd: My home network speed is 1Gbps, which means the copying speed should be somewhere around 120Mb. And it was starting at 115Mb, then plummeted quickly.

缘起 compton 是 X11 下给程序加透明背景的 compositor。前阵子，为了得到一个透明背景模糊的效果，我使用了 compton 的一个 dual_kawase 的分支。虽然平时使用时感觉不出