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@dfm
dfm / _chi2.c
Created August 3, 2012 13:41
How to wrap C code in Python
#include <Python.h>
#include <numpy/arrayobject.h>
#include "chi2.h"
/* Docstrings */
static char module_docstring[] =
"This module provides an interface for calculating chi-squared using C.";
static char chi2_docstring[] =
"Calculate the chi-squared of some data given a model.";
@Glench
Glench / watch_notebooks.py
Created March 23, 2013 15:46
a python script that watches the current directory for changes to ipython notebooks, compiles them to html, and uploads them via scp to a server. an experiment in real-time coding for teaching python to new programmers
import time
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler
import envoy
import os
import datetime
class NotebookConverterHandler(FileSystemEventHandler):
def on_modified(self, event):
if event.src_path.endswith('.ipynb'):
@damianavila
damianavila / remove_output.py
Created April 3, 2013 22:05
Remove output from IPython notebook from the command line (dev version 1.0)
"""
Usage: python remove_output.py notebook.ipynb [ > without_output.ipynb ]
Modified from remove_output by Minrk
"""
import sys
import io
import os
from IPython.nbformat.current import read, write
@grenade
grenade / 01-generate-ed25519-ssh-key.sh
Last active July 11, 2024 10:06
generate ed25519 ssh and gpg/pgp keys and set file permissions for ssh keys and config
#!/bin/bash
# generate new personal ed25519 ssh keys
ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_ed25519 -C "rob thijssen <rthijssen@gmail.com>"
ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_robtn -C "rob thijssen <rob@rob.tn>"
# generate new host cert authority (host_ca) ed25519 ssh key
# used for signing host keys and creating host certs
ssh-keygen -t ed25519 -f manta_host_ca -C manta.network
@mobilemind
mobilemind / git-tag-delete-local-and-remote.sh
Last active July 2, 2024 00:02
how to delete a git tag locally and remote
# delete local tag '12345'
git tag -d 12345
# delete remote tag '12345' (eg, GitHub version too)
git push origin :refs/tags/12345
# alternative approach
git push --delete origin tagName
git tag -d tagName
@debasishg
debasishg / gist:8172796
Last active July 5, 2024 11:53
A collection of links for streaming algorithms and data structures

General Background and Overview

  1. Probabilistic Data Structures for Web Analytics and Data Mining : A great overview of the space of probabilistic data structures and how they are used in approximation algorithm implementation.
  2. Models and Issues in Data Stream Systems
  3. Philippe Flajolet’s contribution to streaming algorithms : A presentation by Jérémie Lumbroso that visits some of the hostorical perspectives and how it all began with Flajolet
  4. Approximate Frequency Counts over Data Streams by Gurmeet Singh Manku & Rajeev Motwani : One of the early papers on the subject.
  5. [Methods for Finding Frequent Items in Data Streams](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.187.9800&amp;rep=rep1&amp;t
@mattfahrner
mattfahrner / python-paged-ldap-snippet-2.4.py
Last active January 16, 2024 12:39
This snippet allows you to do a Python LDAP search with paged controls. The latest version now supports Python "ldap" 2.4. Many thanks to Ilya Rumyantsev for doing the 2.4 legwork.
#! /usr/bin/python
import sys
import ldap
from ldap.controls import SimplePagedResultsControl
from distutils.version import LooseVersion
# Check if we're using the Python "ldap" 2.4 or greater API
LDAP24API = LooseVersion(ldap.__version__) >= LooseVersion('2.4')
@vlandham
vlandham / part1.md
Last active March 21, 2024 12:57
Feature Branches and Pull Requests : Walkthrough

Here's a little walkthrough of how Yannick and I are using feature branches and pull requests to develop new features and adding them to the project. Below are the steps I take when working on a new feature. Hopefully this, along with watching the process on Github, will serve as a starting point to having everyone use a similar workflow.

Questions, comments, and suggestions for improvements welcome!

Start with the latest on master

When starting a new feature, I make sure to start with the latest and greatest codebase:

git checkout master
@zhujunsan
zhujunsan / Using Github Deploy Key.md
Last active June 4, 2024 10:08
Using Github Deploy Key

What / Why

Deploy key is a SSH key set in your repo to grant client read-only (as well as r/w, if you want) access to your repo.

As the name says, its primary function is to be used in the deploy process in replace of username/password, where only read access is needed. Therefore keep the repo safe from the attack, in case the server side is fallen.

How to

  1. Generate a ssh key
@jnnt
jnnt / rescuetime_export.py
Created January 5, 2016 20:57
Export script for RescueTime data. Saves user's activity data in a CSV file for every month between START_DATE and END_DATE, with the highest available resolution (minutes).
#!/usr/bin/env python
#-*- coding: utf-8 -*-
# RescueTime Data Export
import os
import requests
from datetime import date, datetime
from dateutil.rrule import rrule, MONTHLY
from dateutil.parser import parse