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[Qualification] IT Passport Exam Passport ... Exam Passport Exam Passport Exam Passport Exam Passport Exam

Introduction Hello. I'm Paru, an infrastructure engineer in the System Solutions Department, graduating in 2024. The cherry blossoms have already fallen...

  • Technical Blog
5 votes, average: 1.00 / 15
976
Paru
2025.05.01

A handy command to create a dummy file of any size (Windows/Ubuntu)

Hello, this is Kawai from the System Solutions Department at Brain is Empty. The other day, while troubleshooting a data transfer, I encountered several dozen...

  • Technical Blog
6 votes, average: 1.00 / 16
3,703
Kawa Ken
2025.04.08

Humanity vs. Email Spoofing: The Endless Battle - BIMI Edition

Hello, I'm Kawai from the System Solutions Department. My home LAN cable is Cat. 3. I recently received a flyer in my mailbox.

  • Technical Blog
7 votes, average: 1.00 / 17
477
Kawa Ken
2025.03.13

[Python] That's it! A summary of pytest mocks!

Hello! This is Fukui from the Systems Development Department! The zodiac sign for 2025, the year I am writing this blog, is the Snake...

  • Technical Blog
  • Web system development
6 votes, average: 1.00 / 16
2,676
Hiroto Fukui
2025.03.04

What is Vite? What is a build tool? How to build a React x TypeScript environment on Docker

Thank you for your hard work. I'm Eita from the System Development Department, and I'm surprised that it's already the end of February, even though it feels like the new year just started. This time...

  • Technical Blog
  • Web system development
3 votes, average: 1.00 / 13
816
Eita
2025.02.28

Stop sending mass emails using BCC - How to use Mail Distributor

This is Ohara from the China office. We are not sending out emails like newsletters, which are sent to thousands or tens of thousands of recipients, but email marketing...

  • Technical Blog
  • Web Services
  • others
0 votes, average: 0.00 / 10
6,253
Ohara
2016.02.29