Scala/Java/Kotlin dates FAQ: How do I calculate the difference between two dates (LocalDate, ChronoUnit) Read more
Java/Scala/Kotlin: How to round a double (or float) to two decimal places? (formatting output) Read more
Scala/Java/Kotlin: How to replace left and right brackets in a String (replaceFirst, replaceAll) Read more
Android 5 Preferences tutorial (PreferenceScreen, PreferenceActivity, and PreferenceFragment) Read more
GraalVM native executables can run faster than Scala/Java/JVM applications, with much less memory consumption Read more
Java benchmark performance - A Stopwatch class for timings, benchmarks, and performance tuning Read more
Android: Multiple one-dimensional arrays better for performance than one multidimensional array Read more
Java JDBC metadata example - A program to search for a given field name in all database tables in a database Read more
OpenSSO and PHP - A custom PHP script to manually log out of an OpenSSO single sign-on session Read more