Mureinik questions

Mureinik answers

• SQL: multiple nested aggregate functions
• Methods with Different Signatures that Return the Intersection of Two Sets (Java)
• error on using uppercase in palindrome prog in java
• Java-toggle alphabet case in string
• How to escape < and > in YAML/Jekyll?
• How to apply some changes to each element in List<List<>> structure using Java 8 approach
• C++ inheritance (overriding constructors)
• PostgreSQL return multiple rows with DISTINCT though only latest date per second column
• Getting distinct values with the highest value in a specific column
• SQL: Computing sum of all values *and* a sum of only values matching condition