The First Cry of Atom Today is the first day of the rest of my life.

Optimized shift work

Previously I received a request from my wife about optimization of shift work in restaurant where she is working. At ordinal Japanese family restaurant, the shift table is created by owner’s hand. This is very troublesome when you have to satisfy not only the members’s requirements but also the sutainability of business of your restaurant. This ... Read more

Report about #maths4pg 3

The other day, we were running a seminar called “The math learning seminar for all programmers”. This was the third time. The first time was the beginning of this year. This seminar keeps attracting a lot of people in spite of the deepness and difficulties of mastering maths. The field covered in the seminar was always very vast and interesting.... Read more

Replace string in command line

In daily development and operation, there are some times to replace string with command line. For example, $ cat hostlist.txt serviceA.foo.example.com serviceB.foo.example.com serviceC.foo.example.com serviceD.foo.example.com serviceE.foo.example.com serviceF.foo.example.com serviceG.foo.example.com serviceH.foo.example.com These hostlist fil... Read more

Using Source Code Pro

I have used Ricty as my main programming fonts for about two years. This is one of the best fonts I’ve ever used for programming. However when I started using powerline, Ricty for powerline cannot be shown properly. Some garbles are occurred in my console. So in this time, I also changed my main font to Source Code Pro provided by Adobe. This is... Read more

Convert to Spacemacs

My main text editor is emacs currently. I have used for about 4 years. The first touch to emacs for me was a class on the exercise about programming language C/C++ and Scheme. At that time, emacs fit my hand and teach me the joy of programming. The extensibility of emacs gives us not only the power to hack but also the troublesome handworks of c... Read more