🐦

Devon Peticolas x

🐦

Not to be confused with U+1D54F

x / gist:4ccbf329d70cf74ecec8

Created July 7, 2014 15:52

find port of process

	ps aux # get the pid
	netstat -tulpn \| grep PID

x / gist:21fd81938df43d3ef742

Created July 29, 2014 17:38

top processes by memory

ps aux --sort -pmem | head

x / gist:93793c12003b1312ffda

Created July 30, 2014 11:56

get s3 files by grep

 s3cmd ls s3://S3_BUCKET | grep PATTERN | tr -s ' ' | cut -d' ' -f4- | xargs s3cmd get

x / gist:86892f50894cc2e46602

Created July 30, 2014 18:29

Named Tuple vs Dict Vs Tuple

	$ python -m timeit -s 'from collections import namedtuple; NT = namedtuple("NT", "a"); nt = NT(1)' 'nt.a'
	10000000 loops, best of 3: 0.138 usec per loop
	/U/d/chartbeat(dev)(master)$ python -m timeit -s 'd = (1, )' 'd[0]'
	10000000 loops, best of 3: 0.0409 usec per loop
	/U/d/chartbeat(dev)(master)$ python -m timeit -s 'd = {"a": 1}' 'd["a"]'
	10000000 loops, best of 3: 0.0358 usec per loop

x / gist:ae168992c33024d9d4c9

Created August 6, 2014 21:57

kill by grep

ps aux | grep FOOBARBAZ | tr -s ' ' | cut -d' ' -f2 | xargs kill -9

x / gist:07b6c260b666e1c5cc5f

Created October 16, 2014 21:14

get collections with unique indexes

db.getCollectionNames().filter(function(col){return db[col].getIndexes().filter(function(idx){return idx.unique}).length})

x / gist:b89172e7304e40bb4484

Last active August 29, 2015 14:09

clojure kafka consumer

	(ns test-kafka.core
	(:gen-class)
	(:require [clj-kafka.consumer.zk :refer :all]
	[clj-kafka.core :refer :all]
	[msgpack.core :refer :all]))

	(def config {"zookeeper.connect" "zk04/cb/kafka/pingqueue"
	"group.id" "clj-kafka.consumer"
	"auto.offset.reset" "smallest"
	"auto.commit.enable" "false"})

x / gist:dc57b27677c85d20becb

Last active August 29, 2015 14:11

Catch exceptions with context managers

	class ExceptionCatcher():

	def __enter__(self):
	self.msg = None

	def __exit__(self, type, value, traceback):
	if type is Exception:
	self.msg = value

	return True # if you return a truthy value then the exception isn't raised

x / gist:e9ffa40c97279ff8c1f0

Created January 14, 2015 20:53

tail python logstash files

jq -c '[.["@timestamp"], .levelname, .path, .message]'

x / gist:7b2866ef4c7978dd84bc

Created February 4, 2015 18:02

Run clojure tests from repl

	(require '[clojure.test :refer [run-tests]])
	(do (require 'cb-riak.cb-riak-test :reload-all) (run-tests 'cb-riak.cb-riak-test))