Yordan Georgiev YordanGeorgiev

1-daydreaming 2-know what you really want 3-commit to do it 4-know how-to to do it 5-can do it 6-do it actually 7-no regrets having done it

YordanGeorgiev / scala-foreach-loop.scala

Created February 17, 2018 10:06

[foreach loop with var] how-to assign a var into scala foreach loop #scala

	// how-to assign var in foreach loop
	val objFileHandler = new FileHandler ()
	objFileHandler.getFileTree( new File ( dataCsvDir ) )
	.filter(_.getName.endsWith(".csv"))
	.foreach{
	x => {
	var f = x;
	println ( f.toString() )
	/* some operation */
	}

YordanGeorgiev / sbt-clean-up.sh

Last active April 11, 2019 08:13

[sbt-clean-update-test] how-to clean a scala project, update and test it without idea #sbt #scala #test #idea

	#file: src/bash/sbt-clean-update-test.sh
	#aim: compile and test scala in the shell without idea ...

	alias find=find # probably obsolete in your env
	find ~/.sbt ~/.ivy2 -name '*.lock' -print -delete
	alias find="find -L"

	rm -fvr ~/.sbt/0.13/plugins/target
	rm -fvr ~/.sbt/0.13/plugins/project/target
	rm -fvr ~/.sbt/1.0/plugins/target

YordanGeorgiev / pkk-auth.sh

Created February 17, 2018 09:52

public private key auth for ssh #linux #ssh #pkk

	# START === how-to implement public private key ( pkk ) authentication
	# create pub priv keys on server
	# START copy
	ssh-keygen -t rsa
	# Hit enter twice
	# copy the rsa pub key to the ssh server
	scp ~/.ssh/id_rsa.pub $ssh_user@$ssh_server:/home/$ssh_user/
	# STOP copy
	# now go on the server
	ssh $ssh_user@$ssh_server

YordanGeorgiev / how-to-create-a-symlink-on-linux

Created February 17, 2018 09:48

[create a symlink] how-to create a symlink on linux #linux #bash

	# START === create symlink
	export link_path=/opt/ysg
	export target_path=/vagrant/opt/ysg
	mkdir -p `dirname $link_path`
	unlink $link_path
	ln -s "$target_path" "$link_path"
	ls -la $link_path;

	# STOP === create symlink