Overview A classic pattern in web applications is that the user requests something that is not immediately available, your app then does a heavy computation and returns the result to the user. However, since the task is long-running, you cannot make the user wait for the result. One of the easiest ways is to email … Read more
Overview Recently, I upgraded keycloak from 17 to 26. The update was swift. Keycloak did all the database migration. However, after the upgrade, the site broke. I set up keycloak behind a Caddy proxy. I hope this helps saving you some hours. Caddy’s config Keycloak’s config You may struggled with issues with mixed content, the … Read more
Concepts Here are the important concepts in the first section of CISSP Abstraction: Simplifying security by grouping similar elements into classes or roles and assigning security controls collectively. Accounting (Accountability): Review log files to check for compliance and violations to hold subjects responsible for their actions, especially policy violations. Acquisition: Obtaining hardware, software, and services, … Read more
Overview I tried to find the list of locales in json but found nothing. Hopefully this helps. Locale with language List of locales only (array format) Locales with key/value for frontend people
Overview When it comes to data integrity, the famous example that people usually mention is the bank transfer scenario: Alice sends money to Bob, and Bob sends money to Alice. I also read that using @Transactional is the solution for such cases. However, is using @Transactional annotation enough to make Alice and Bob happy? Let’s … Read more
Overview So in my recent project, I need to manage video uploads and I think having a default placeholder for videos is quite boring. The right way would be having thumbnails for the videos. It’s quite simple to create a thumbnail from a video with java. There are a few choices when it comes to … Read more