The day-to-day things I learn as a software engineer

How to Allow Null Values with Collectors.toMap() in Java

Jul 7, 2022

Java

How to Append To and Update a JsonNode in Java

Jul 5, 2022

Java

How to Get Current DateTime in Java with Format (yyyy-MM-dd HH:mm:ss.SSS)

Jul 4, 2022

Java

How to Convert Date String to Epoch Milliseconds in Java

Jul 3, 2022

Java

How to Convert JavaRDD<String> of JSON to Dataset<Row> in Spark Java

Jun 29, 2022

Java

How to Lowercase All Column Names in Java Spark Dataset

Jun 28, 2022

Java

How to Convert Date String to Milliseconds in a Java Spark Dataset

Jun 27, 2022

Java

How to Escape Special, Meta Characters with Backslashes in Java

Jun 20, 2022

Java

How to Avoid Throwing Exception in spark.read()

Jun 16, 2022

Java

How to Read Multiple Files or Directories in Spark (glob)

Jun 15, 2022

Java

How to Split String on Forward Slash in Java

Jun 12, 2022

Java

How to Initialize Set with Elements in Java

Jun 7, 2022

Java