isaaguilar’s gists

isaaguilar / tail-and-quit.rb

Last active December 7, 2016 06:57

"tail -f" for ruby

	require 'open3'
	def tail_and_quit(filename, regex_to_match)
	cmd = "tail -n0 -f #{filename}" # bash tail -f command
	Open3.popen2e('bash', '-c', cmd) do \|i,oe,t\| # input, output/error, process
	oe.each do \|line\|
	puts line
	break if line.match(/#{regex_to_match}/)
	end
	Process.kill('INT', t.pid) # kill the tail process after matching string
	end

isaaguilar / tail-and-quit.py

Created December 15, 2016 21:01

tail -f for python

	import subprocess, re
	def tail_and_quit(filename, regex_to_match):
	try:
	f = subprocess.Popen(['tail', '-F', filename], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
	while True:
	line = f.stdout.readline()
	match = re.search(regex_to_match, line)
	if match: break
	finally: f.kill()

isaaguilar / flask-params-parse-decorator.py

Last active January 17, 2017 08:44

	from functools import wraps
	def parse_request_data(f):
	@wraps(f)
	def parse(args, *kwargs):
	json_type = False
	for header in request.headers:
	if header[0] == 'Content-Type':
	if "application/json" in header[1].lower():
	json_type = True
	data = {}

isaaguilar / flask-boolean-params-converter.py

Last active January 17, 2017 10:40

Convert "true"/"false" url args or data params as a native Python Boolean

	def parse_true_or_false(some_array):
	if type(some_array) == list:
	array = enumerate(some_array)
	else:
	array = some_array.iteritems()
	for key, value in array:
	if type(value) in (dict, list):
	parse_true_or_false(some_array[key])
	else:
	try:

isaaguilar / tomcat7.sh

Created March 4, 2017 02:18

init.d script for tomcat7 - something new but mostly borrowed

	#!/bin/bash
	#
	# tomcat
	#
	# chkconfig: 345 96 30
	# description: Start up the Tomcat servlet engine.
	#
	# processname: java
	# pidfile: /var/run/tomcat.pid
	#

isaaguilar / uniquePush.js

Last active May 16, 2017 07:27

"Uniques only" push to array in JavaScript ES6 (slow)

isaaguilar / trendline.py

Created June 13, 2017 09:17

linear trendline equation

	def trendline(x, y):
	# y = mx + b, where m = slope and b = offset
	return "f(x) = {0}x + {1}".format(slope(x, y), offset(x, y))

	def sum_xy(x, y):
	s = float(0)
	for i in range(len(x)):
	s += x[i] * y[i]
	return s

isaaguilar / LinearGraph.jsx

Last active April 3, 2024 05:06

Draw a basic scatter plot graph with react and d3. Draw the trend-line between your points. Example graph in comments below.

	import React from "react"
	import ScatterPlot from "./ScatterPlot-with-trendline"

	data={[[0, 3],[5, 13],[10, 22],[15, 36],[20, 48],[25, 59],[30, 77],[35, 85],[40, 95],[45, 105],[50, 120],[55, 150],[60, 147],[65, 168],[70, 176],[75, 188],[80, 199],[85, 213],[90, 222],[95, 236],[100, 249]]}

	export default class LinearGraph extends React.Component {
	render() {
	return <ScatterPlot data={data} />
	}
	}

isaaguilar / ps_ax.py

Last active July 5, 2017 07:37

a version of `ps ax` for python

	import re
	from subprocess import Popen, PIPE

	# Equivilent to `ps ax\|grep search_string`
	p2 = Popen(["grep", search_string], stdin=PIPE, stdout=PIPE) # search_string
	p1 = Popen(["ps", "ax"], stdout=p2.stdin)
	# Break up results into invidual lines
	results = p2.communicate()[0].split("\n")

	# Now iterate thru the list, filter out grep, and print pids

isaaguilar / overlay.html

Created July 8, 2017 04:31

Overlay on parent element css, js, html

Isa Aguilar isaaguilar