Notes about HackerRank. What is HackerRank? HackerRank is a learning site where you can learn programming by solving problems. While most of these sites specialize in either web development or competitive programming, HackerRank covers bot…
Is GraphQL a silver bullet? Introduction In web and application development, there are various methods for passing data between servers and between server and clients. The most common are SOAP and XML in the past. In most cases, JSON REST …
The inside story of a traditional IT company Preface NTT Group, which has 330,000 employees, is working on reforming its personnel system. Fujitsu has 130,000 employees and Toyota has 360,000, so you can see the scale of the project. I fou…
Book review of Sony Layoff Introduction Layoffs are booming at American tech companies. Information is summarized in layoffs.fyi. Twitter, in particular, reports that more than half of its employees have left through layoffs or voluntary r…
I want to read more left-to-right Japanese manga! Preface: Translation is not the only blocker to make manga multilingual Illegal copy of manga by Mangamura was a social problem, Illegal uploading on the Internet is a source of concern for…
A list of commonly used gems Preface As I summarized last month, I think that the return from apps to the web is happening a little in the SaaS boom. Even if you can use a lightweight framework for just the API of an mobile app, a full-sta…
How the architecture has changed over the trend of products Introduction There are several architectural patterns that we can choose in web development. The server structure is categorized by monolithic or microservices. Tthe database is s…
Study server-side C# Preface When it comes to web development, PHP is traditionally used in famous LAMP (Linux, Apache, MySQL, PHP) stack. Next movement is MVC frameworks such as Ruby on Rails. Recently, Golang is often used in microservic…
I don't have the answer yet. Preface Although it is not true recently, Japan has had a popular salaryman working style of lifetime employment. The rate of job change is low compared to other countries. Startups are required by investors to…
Notes about robot Zaku What is ZEONIC TECHNICS? ZEONIC TECHNICS is a bipedal robot course offered by Bandai. It is based on Kondo Kagaku hobby robots, and many of the parts are from Kondo Kagaku. The humanoids offered by Kondo Kagaku, such…
