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@chrisguitarguy
chrisguitarguy / xml.py
Created October 21, 2011 21:18
Parse an XML sitemap with Python, requests and BeautifulSoup
from __future__ import with_statement # we'll use this later, has to be here
from argparse import ArgumentParser
import requests
from BeautifulSoup import BeautifulStoneSoup as Soup
def parse_sitemap(url):
resp = requests.get(url)
# we didn't get a valid response, bail
@hellerbarde
hellerbarde / latency.markdown
Created May 31, 2012 13:16 — forked from jboner/latency.txt
Latency numbers every programmer should know

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

@gavinballard
gavinballard / proxy_request_verification.py
Created July 18, 2014 15:26
Python methods to verify the signature of a request being sent through a Shopify application proxy.
import hashlib, base64, hmac
def get_proxy_signature(query_dict, secret):
"""
Calculate the signature of the given query dict as per Shopify's documentation for proxy requests.
See: http://docs.shopify.com/api/tutorials/application-proxies#security
"""
# Sort and combine query parameters into a single string.
class ExampleFormMultipleView(MultipleFormsView):
template_name = 'preferences/change_group_multiple.html'
forms = {
'profile': ProfileForm,
'avatar': AvatarForm,
'contacts': ContactsForm,
}
def forms_valid(self, forms):
for key, form in forms.items():
@omegahm
omegahm / create_labels.sh
Created April 7, 2015 19:00
Create Gtihub labels from Bash
#!/usr/bin/env bash
# Colours picked from https://robinpowered.com/blog/best-practice-system-for-organizing-and-tagging-github-issues/
###
# Label definitions
###
declare -A LABELS
# Platform
Top section is for regular Ubuntu installs. Bottom section is for EC2 installs.
Ubuntu Login as Root (regular Ubuntu VM or PC – not using AWS EC2)
Login with main user
Now gain root access to bash, by emulating it with sudo
# sudo -i
@Chandler
Chandler / slack_history.py
Last active July 18, 2024 04:21
Download Slack Channel/PrivateChannel/DirectMessage History
print("UPDATE AUG 2023: this script is beyond old and broken")
print("You may find interesting and more up to date resources in the comments of the gist")
exit()
from slacker import Slacker
import json
import argparse
import os
# This script finds all channels, private channels and direct messages
@bishboria
bishboria / springer-free-maths-books.md
Last active June 8, 2024 06:39
Springer made a bunch of books available for free, these were the direct links
@nepsilon
nepsilon / how-to-debug-python-pdb.md
Last active July 8, 2016 06:12
How to debug Python programs? — First published in fullweb.io issue #35

How to debug Python programs?

When we can’t understand the execution path or behaviour of our program we better use a debugger. Python offers pdb, a full featured debugger. Here is how to get started.

Import it with:

import pdb 
@nepsilon
nepsilon / how-to-bash-batch-rename.md
Last active July 7, 2016 06:15
How to batch rename files with bash? — First published in fullweb.io issue #36

How to batch rename files with bash?

Let’s say we have these files:

ls 
to_be_renamed_1.txt 
to_be_renamed_2.txt 
to_be_renamed_3.txt