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@simonw
simonw / recover_source_code.md
Last active Dec 9, 2019
How to recover lost Python source code if it's still resident in-memory
View recover_source_code.md

How to recover lost Python source code if it's still resident in-memory

I screwed up using git ("git checkout --" on the wrong file) and managed to delete the code I had just written... but it was still running in a process in a docker container. Here's how I got it back, using https://pypi.python.org/pypi/pyrasite/ and https://pypi.python.org/pypi/uncompyle6

Attach a shell to the docker container

Install GDB (needed by pyrasite)

apt-get update && apt-get install gdb
@chaeplin
chaeplin / lgacir.py
Last active Aug 29, 2015
lgacir.py
View lgacir.py
# https://github.com/chaeplin/Arduino-IRremote/
# 02.test_i2c.py
import smbus
import time
bus = smbus.SMBus(1)
address = 0x07
def writeNumber(a, b ):
View lgacir.ino
https://github.com/z3t0/Arduino-IRremote/tree/master/examples/LGACSendDemo
View dnswrapper.py
from flask import Flask, request, session, g, redirect, url_for
from flask import abort, render_template, flash
app = Flask(__name__)
app.config.from_object(__name__)
hosts = {
'b': "https://code.google.com/p/android/issues/"
's': "https://android.googlesource.com/",
'r': "https://android-review.googlesource.com/",
@lifthrasiir
lifthrasiir / crypto.md
Last active Apr 21, 2019
High-level understanding of cryptography
View crypto.md

고수준에서 암호학 이해하기

이 글은 메아리 저널에 쓸 목적으로 한동안 작업하던 글입니다. 메아리 특유의 디자인(...)이 싫다면 여기로 링크하셔도 됩니다. 어느 쪽이든간에 의견은 이 아래의 코멘트 란 또는 메아리에 기재되어 있는 메일 주소를 써 주시면 감사하겠습니다. --lifthrasiir

암호학을 사용하는 많은 시스템은 세부적으로 무슨 알고리즘을 쓰는지보다는 그 알고리즘들이 어떻게 연결되어 있는지, 즉 구조가 실제 안전성에 더 큰 영향을 미친다. 따라서 구조와 그 구조를 이루는 빌딩 블럭을 아는 것이 중요한데, 여기에서는 이러한 암호학적 빌딩 블럭과 함께 블럭들이 어떻게 쓰여서 더 큰 구조를 만드는지를 알아 본다.

Key Exchange

키 교환. 두 사람만이 알 수 있는 새로운 키를 만든다. 이 과정이 끝나도 상대방이 내가 아는 사람인진 알 수 없지만 적어도 상대방과 내가 같은 키를 가지고 있다는 건 확신할 수 있다.

@kkung
kkung / result.md
Created Aug 14, 2014
RSA library benchmark
View result.md
  • RMBP 15" / Early 2013(2.4GHz i7, 16GB RAM), CPython 2.7.6
  • rsa==3.1.4
  • pycrypto==2.6.1
  • cryptography==0.5.3
Cryptography PyCrypto RSA
1.0222690105438232 1.453489065170288 4.905964136123657
1.0008471012115479 1.3903019428253174 4.860486030578613
0.9761111736297607 1.3885319232940674 5.226905107498169
@daniellawrence
daniellawrence / tasks.py
Created Oct 17, 2013
Queuing fabric tasks and stream reading output using celery & redis - A little bit of evil with tempfiles and stdout redirection.
View tasks.py
# RUN ME, I am the worker!
# $ pip install fabric celery-with-redis
# $ celery -A tasks worker -E --loglevel=debug
from celery import Celery
from time import sleep
from fabric.api import env, run, execute
import sys
celery = Celery('tasks', broker='redis://', backend='redis://')
@dahlia
dahlia / gist:4407166
Created Dec 29, 2012
Jinja2 htmlfill ext
View gist:4407166
# htmlfill
with app.test_request_context('/'):
html = render_template_string('''
{%- autoescape true -%}
{%- form 'user.signup' with {'a': 123, 'b': 456} -%}
<input type="number" name="a"> {{- '' -}}
<input type="number" name="b" value="2"> {{- '' -}}
<input type="number" name="c" value="3">
{%- endform -%}
{%- endautoescape -%}
@khakimov
khakimov / gist:4029456
Created Nov 7, 2012
libevent http client
View gist:4029456
#include <sys/types.h>
#include <sys/time.h>
#include <sys/queue.h>
#include <stdlib.h>
#include <err.h>
#include <event.h>
#include <evhttp.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/socket.h>
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