ramn

#!/bin/bash

# Given a logfile with pairwise loglines when an event starts, and when it finishes,
# this script plots the duration for the events.

# Feed me a log file with rows like these:
# 2014-07-21 07:50:03,440 INFO Begin job
# 2014-07-21 07:52:50,530 INFO End job
# 2014-07-21 08:00:03,044 INFO Begin job
# 2014-07-21 08:02:02,548 INFO End job

ramn

#!/bin/bash

#
# Build shell command completions
#

function _build_completions {
	local current_word
	COMPREPLY=()
	current_word=${COMP_WORDS[COMP_CWORD]}

ramn

gdb -batch -ex 'call close(3)' -p <PID> # closes file descriptor 3 for process with <PID>

ramn

val primes: Stream[Int] = 2 #:: Stream.from(3).filter { n => !primes.takeWhile(_ <= math.sqrt(n)).exists(n % _ == 0) }

def isPrime(n: Int) = primes.dropWhile(_ < n).head == n

ramn

/**
 * <b>Fixed Point Combinator is:</b>
 * Y = λf.(λx.f (x x)) (λx.f (x x))
 * 
 * <b>Proof of correctness:</b>
 * Y g  = (λf . (λx . f (x x)) (λx . f (x x))) g    (by definition of Y)
 * = (λx . g (x x)) (λx . g (x x))                  (β-reduction of λf: applied main function to g)
 * = (λy . g (y y)) (λx . g (x x))                  (α-conversion: renamed bound variable)
 * = g ((λx . g (x x)) (λx . g (x x)))              (β-reduction of λy: applied left function to right function)
 * = g (Y g)                                        (by second equality) [1]

ramn

# #########################################################################
# This bash script adds tab-completion feature to django-admin.py and
# manage.py.
#
# Testing it out without installing
# =================================
#
# To test out the completion without "installing" this, just run this file
# directly, like so:
#

ramn

class selfdestructing_tempdir(object):
    def __enter__(self):
        import tempfile
        self._tempdir = tempfile.mkdtemp()
        return self._tempdir

    def __exit__(self, type, value, traceback):
        import shutil
        shutil.rmtree(self._tempdir)

ramn

exec 4<>/dev/tcp/gopher.meulie.net/70
echo "" >&4
cat <&4

ramn

import time.sleep
import zmq
context = zmq.Context()
socket = context.socket(zmq.PUB)
socket.bind('tcp://127.0.0.1:2000')

# Allow clients to connect before sending data
sleep(10)
socket.send_pyobj({1:[1,2,3]})

ramn

SECRET_BREAKOUT_RETURN_CODE=119
while scala; [ $? != $SECRET_BREAKOUT_RETURN_CODE ] ; do continue; done