Is a full-time Scrum Master needed? Introduction I recently read the paper "The New New Product Development Game," which is the source of Scrum. It is generally a discussion of how US companies can become as good as Japanese companies by a…

How to find the frontend code smells Continuous Inspection with SonarQube There are some ways to quantify the readability of a program. For example, Cyclomatic Complexity and Cognitive Complexity are used. Cognitive Complexity is considere…

Introduction to Software Bill of Materials What is SBOM? SBOM (Software Bill of Materials) is a list of software components and their dependencies. It is not always the same as the list of libraries because some of the software may use in-…

Read Unity's financial report Runtime Fee will be introduced in Unity Update: Unity withdrew some of the changes. It has been announced that Runtime Fee will be introduced to Unity from 2024/01. Unlike the previous billing model, the fee i…

How to select technology stack Preface When you develop something, it is often necessary to use some external services or tools. Unless it is a hobby development, we want to make decisions with a certain level of rationality. Here is a che…

One of the most common complaints made by new software engineers is that they have a hard time studying. In web development, where they have to study every time a new technology comes out, sometimes outside of work hours, or they feel left…

Reference for implementation Preface: Let's read open source implementations When you are doing web development, you may feel uneasy whether this way of writing is normal or not, or whether the direction of implementation is good or not. I…

Reading Twitter's internal structure. Introduction Microblogging services like Twitter have a lot of posts in a short period of time. Especially for the timeline, simply moving data in and out from the RDB will not scale. I found some arti…

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 …

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…

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…

Proof of concept Introduction When I convert file or replace some text, if the repeat is necessary, Use unix commands Combine 1 Write scripts are standard selection routine. Sometimes complex 2 is called as shell art. Ref: 【シェル芸人への…

opinionated article What is CTO? CTO(Chief Technical Officer or Chief Technology Officer) is the top of company in charge of technology. Some companies also have VP of Engineering as different role. In that case, recruiting, education and …

Check Russian libraries Introduction The relation between Russia and Ukraine was worse and military advance was conducted. Many countries including Japan is doing sanction to Russia. The effect is huge. Software libraries used for web deve…

Notes about the papers of Collectible Card Game AI Introduction Game AI competition in IEEE COG 2019 was held. The competitions include Angry Bird level generation, fighting video game like Street Fighter 2, DeepMind hanabi. Also, Collecti…

Notes about Qt course (Translation of Japanese article in 2020) Introduction Stay home is consensus. Although I prefer stay home natively since born, I noticed the importance of walking recently. Every course is free or on sale. No schedul…

No code app for searching Japanese venture capitals TLDR Demo www.youtube.com https://jpvcdb.glideapp.io What is VCDB Two years ago, I surveyed the fund size of Japanese venture capitals. I ended up just searching at that time. Visualizati…

Summary of famous machine learning patents Introduction Machine learning community is relatively open. Papers can be dowloaded from arXiv for free. On the other hand, we sometimes found some methods are registered as patents. I daily colle…

Comparison of process interruption tool What is binding.pry? While debugging, the engineers sometimes want to see the variable values at that point. If your language is static and you use IDE, you can set break point by GUI tools. However,…

Lie-down Programming Preface I think resting your body is important for being in good shape until the end of retirement. Even if you are smart, sometimes you have to quit jobs due to the pain of the back. Lying down and resting is importan…