Seasar framework

Seasar is the most popular open source framework in Japan. It is created simply because the authors see that dependency injection is really bad thing and they want to free us from such annoyance of DI. [Read More]
Tags: Seasar

Use position property in CSS

When we want to change the position of element in css, we have to use position property. It make us easy to set a new position of element to follow many conditions such as parent element, browser window, … [Read More]
Tags: Front-End CSS

Uploading files with AWS S3 in Spring Boot

Nowadays, knowledge about cloud is essential for us, mainly because, to business, optimize all the operation cost affect to the business’s living. So, use cloud help them to focus on business logic of software, but do not take care of the storage’s problem, and expand their server when the amount... [Read More]
Tags: Spring AWS