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 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…

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,…