Tomoharu TsutsumiFaced an error that resolve doesn’t work in GraphQL-Ruby.Recently started learning GraphQL because I’ll use it in a company. Roughly, I understood but I spent 3 hours solving a problem. The…2 min read·Apr 29, 2024----
Tomoharu TsutsumiWhat is GOPROXY?I joined a new Go project. While building the local environment, I face this error message.1 min read·Apr 21, 2024----
Tomoharu TsutsumiTried a design problem of Amazon’s sales rank by category featureI tried this problem. I could learn some points and summarize them.2 min read·Mar 16, 2024----
Tomoharu TsutsumiImproved an algorithm from O(n log n) to O(m + n)Recently, I’ve started reviewing algorithm problems I did in the past in order to find better solutions.1 min read·Mar 3, 2024----
Tomoharu TsutsumiInstead of splice, use swap and pop【JavaScript】Hi, I’ve been immersed in leetcoding. Especially, I’m spending a lot of time improving bad code I wrote before. Today, I could improve…1 min read·Feb 25, 2024----
Tomoharu TsutsumiNot O(N²), but O(log N)When I saw this algorithm below at first, I thought the time of complexity was O(N²). However, it is O(log N). I’ll explain it.2 min read·Feb 11, 2024----
Tomoharu TsutsumiHow to make a habit of studyingStudying takes us much time. In particular, I’m a software engineer, which requires tons of knowledge. Besides, I have to learn English…2 min read·Feb 3, 2024----
Tomoharu TsutsumiTackled a problem of developing a web crawler architectureHi, architects. I learned a new problem of architecture and summarized what point was good and bad.2 min read·Jan 27, 2024----