Java NIO: How to Read a Text File Line by Line
It's all about the basics.
Java NIO: How to Avoid Overwriting an Existing File When Creating a New File
Protect your file with a single enum.
Java NIO: How to Append Text to an Existing File
Updates. Everybody needs updates.
Java: How to Convert Integer, String, Float, and Double to BigDecimal
If you haven't yet needed this, you will eventually.
Java: How to Easily Match RegEx Patterns That Include Metacharacters
Isn't a pain to search for strings with metacharacters?
Spring Boot: How to Limit Failed Login Attempts by User or IP Address
Keep the bad guys away.
Spring Boot and Kubernetes: How to Use an External JSON Configuration
It's not always a great idea to tie your configuration to your application.
Spring Boot: How to Add Conditional Annotations
Because sometimes you need a Spring-managed component, and sometimes you don't.
Spring Boot and Kubernetes: How to Check Logs in a Pod
Kubernetes makes things easy. Except when it doesn't.
Spring Boot and Jackson: How to Format a Date With @JsonFormat
This is useful if you store the date as a number.
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