forpas questions

forpas answers

• SQL dividing column by a number in another table
• How to add a click listener to Menu Item in Kotlin
• Plus and minus button with EditText
• Postgres query returning books with only one author
• Calculating Percentages in Postgres
• SQL - Selecting rows with a column value greater than the rows before it
• Multiple select statements in single query while using 'group by' and 'join'
• Kotlin: the most effective way to find first index of minimum element in some list of some objects
• Rotate kotlin array
• How to sort a string list consists of digits and alphabets in Java?