I summarized about cursor operation in PostgreSQL PL/pgSQL.
Continue reading PostgreSQL: Basic Cursor HandlingCategory Archives: Code
PostgreSQL: How to Export SQL Result to File
I will introduce you several way to output sql result into a file with using psql.
Continue reading PostgreSQL: How to Export SQL Result to FileKotlin: Copy Directory Recursively Including Dot Files
Here’s the way to copy directory recursively including dot files in Kotlin. I wanted do that with command but I couldn’t. So I used Kotlin.
Continue reading Kotlin: Copy Directory Recursively Including Dot FilesKotlin: Convert Replacement to Transitions Multiplication
Kotlin: Calculate Disjoint Pythagoras Numbers
I calculated disjoint Pythgoras numbers with Kotlin.
Continue reading Kotlin: Calculate Disjoint Pythagoras Numbers