ezarko’s gists

ezarko / link_git_repo.sh

Created May 15, 2018 18:53

	#!/bin/bash -ex

	orig_git=$HOME/caas

	# want to make sure that what is pointed to has a .git directory ...
	git_dir=$(cd "$orig_git" 2>/dev/null && git rev-parse --git-dir 2>/dev/null)
	if test $? -ne 0; then
	echo "Not a git repository: \"$orig_git\""
	exit 128
	fi

ezarko / read_java_properties.sh

Created February 12, 2018 20:49

Bash snippet to read a Java properties file into a bash associative array.

	declare -A props
	eval `grep -v '^#' $PROPS_FILE \| sed -e 's/"/\\"/g;s/\${$[^}]$}/${props[\1]}/g;s/^$[^=]$=$.*$$/props[\1]="\2"/'`

ezarko / jdk8_getRequestHeadersAsMap.java

Created February 8, 2018 22:55

Given an HttpServletRequest named request, creates a Map<String, String> of the headers.

Map<String, String> headers = Collections.list(request.getHeaderNames()).stream().collect(Collectors.toMap(Function.identity(), n -> request.getHeader(n)));

ezarko / sqlplus.bash

Last active December 20, 2017 20:32

A convenience function which turns the complex sqlplus syntax into getopt style arguments. Also supports using sqlplus in a docker image/container.

	function sqlplus {
	local USER=SYS
	local PASS=<default_password>
	local NET
	local HOST=localhost
	local PORT
	local SID=<default_sid>
	local ROLE=SYSDBA
	local EDITION
	local DEFAULT_DOCKER_IMAGE=oracle/database:12.2.0.1-ee

ezarko / json-cat.pl

Created May 15, 2017 17:43

	#!/bin/perl

	use strict;
	use warnings;

	use JSON;

	$/ = undef;
	print JSON->new->allow_nonref->pretty->encode(decode_json scalar <>);

ezarko / create_ref_repo.sh

Last active November 13, 2020 15:32

Creates a "reference repository" on a Jenkins slave to speed up build times.

	#!/bin/bash

	# Creates a "reference repository" on a Jenkins slave to speed up build times.
	# Assumes that you will clone using HTTPS and enter username/password, then
	# Jenkins will use an SSH key in the future.
	#
	# Works with Jenkins and GitLab. For other applications your mileage may vary.

	REPO_SERVER=osn-git.us.oracle.com
	REPO_PATH=ccs/caas.git

ezarko / findCommonParent.js

Created June 1, 2016 14:10

Given two DOM elements in the same document, find the closest common ancestor (which could be one of the elements).

	function findCommonParent(a, b) {
	var $a = $(a),
	$b = $(b),
	found;

	/*
	* A complicated one-liner here; with each element a & b,
	* get the set of parents,
	* and add to this the element
	* .add() will sort the elements in document order though

ezarko / docker-mariadb.bash

Last active May 20, 2016 16:30

Useful bash function for interacting with a mysql database in a mariadb docker container.

	# mysql <container> [...]
	function mysql {
	docker run -it --link $1:mysql --rm mariadb sh -c "exec mysql -h\"\$MYSQL_PORT_3306_TCP_ADDR\" -P\"\$MYSQL_PORT_3306_TCP_PORT\" -uroot -p\"\$MYSQL_ENV_MYSQL_ROOT_PASSWORD\" ${@:2}"
	}

	# mysqladmin <container> [...]
	function mysqladmin {
	docker run -it --link $1:mysql --rm mariadb sh -c "exec mysqladmin -h\"\$MYSQL_PORT_3306_TCP_ADDR\" -P\"\$MYSQL_PORT_3306_TCP_PORT\" -uroot -p\"\$MYSQL_ENV_MYSQL_ROOT_PASSWORD\" ${@:2}"
	}

ezarko / jQuery.reduce.js

Last active March 14, 2018 01:25

A jQuery reduce function which returns a proper collection object. Note that callback is called with DOM nodes that will need to be $()'d if needed.

	$.fn.reduce = function() {
	return (arguments.length > 1 \|\| this.length) ? $([].reduce.apply(this.toArray(), arguments)) : this;
	};

ezarko / Docker and Express

Last active February 18, 2016 21:13

Simple express server application

	You can add matic by adding "matic" and "jade" to the package.json, then add "RUN $(npm bin)/matic" to the Dockerfile.
	I wonder if it would be as easy to add harpjs?

Eric Zarko ezarko