The First Cry of Atom

When you get a chance to learn a new programming language or framework, you might encounter the exercise to develop a TODO app. The reason behind this kind of exercise is that the TODO app generally covers all functionality most web/mobile app needs, such as user identity management, data persistence,... [Read More]

We might have the experience to remove the white space in the string recorded in PostgreSQL. There is a function TRIM, but it only removes the white space on the left/right side of the string. How can we do that when we want to omit the whitespace in the middle... [Read More]

Visualization often provides us a vivid image to grasp the situation at a glance. It is one of the recommended ways as a starting point of more in-depth understanding and investigation in general. [Read More]

The epicenter of the outbreak of COVID-19 moves to Europe in these weeks. The situation is still highly unpredictable. We need to manage to keep away from the threat of the COVID-19. Washing hands properly and staying away from the crowded area is our duty to stop the spread of... [Read More]

The outbreak of the novel coronavirus disease (Covid-19) brought considerable turmoil all around the world. Although the number of new patients in the mainland Child is restrained, the other countries are still struggling with the increasing number of new cases. I sincerely hope the situation will get better soon. At... [Read More]