I participated in ISUCON for the first time. I acquired some knowledge to find out bottleneck in HTTP server and MySQL. Our team used alp for HTTP response analysis and pt-query-digest for MySQL slow query analysis. I try to introduce thes…

I went to iOSDC 2017 on September 17th. This conference held for iOS developers on September from 16th to 17th at Waseda University. I heard these sessions: 飛び道具ではないMetal This session told us how to use Metal to render an image on …

I participated CEDEC 2017 from August 30th to September 1st in Yokohama. The conference is the first time I went to DECEC that is held every year as far as I know. All participants engage in game developing. I look at below sessions. Day 1…

I went to builderscon tokyo 2017 from August 3rd to 5th. The eve of the conference I heard some fascinating talks, but I was told not to tell anyone about them, so unfortunately I can't write about them. I think the organizers should keep …