In web development, we usually cope with some problems about logging out a website. After logging out, we have to set the invalidation state of session, and delete our cookies …
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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.
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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, …
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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...
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Problem about role name in Spring security
When using Spring security, I always cope with problem about permision of account, regardless of right my account. It’s annoyed for me. After digging into this problem, I have some interesting information.
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