Kannan Ramamoorthy kannangce

kannangce / sieve-of-eratosthenes.clj

Last active April 11, 2019 12:48

Sieve of Eratosthenes in clojure

	(defn multiple?
	"Check if the number-to-check is a multiple of number."
	[number-to-check number]
	(= 0 (mod number-to-check number)))

	(defn sieve-of-eratosthenes
	"For the number ranging from 2 to the given number 'upto'(inclusive),
	filters out all the numbers that are not prime and
	return the prime numbers."
	[upto]

kannangce / Command Line utils.adoc

Last active March 15, 2019 05:25

Contains quick command line utils that will be required for some scenarios that I faced. Some times the equivalent site I used is also mentioned

Start all the docker containers

docker ps -a|tail -n +2|awk '{print $1}'|xargs docker start

This gives side-by-side diff.

diff -y file_1 file_2

kannangce / GenericResultSetExtractor.java

Created August 27, 2018 10:22

A generic ResultSetExtractor to be used with Spring's JdbcTemplate for any simple beans.

	import java.sql.ResultSet;
	import java.sql.SQLException;
	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.function.BiConsumer;
	import java.util.function.Supplier;

	import org.springframework.dao.DataAccessException;

kannangce / FeignSSLUtils.java

Last active April 3, 2024 09:11

Feign client for 1 or 2-way TLS with self signed certificates when javax.net.ssl.keyStore / javax.net.ssl.trustStore cannot be overridden.


	import java.io.File;
	import java.io.FileInputStream;
	import java.io.FileNotFoundException;
	import java.io.IOException;
	import java.security.AccessController;
	import java.security.KeyManagementException;
	import java.security.KeyStore;
	import java.security.KeyStoreException;
	import java.security.NoSuchAlgorithmException;