Giovanni Luca Ciampaglia glciampaglia

Assistant Professor, University of Maryland, College of Information Studies (iSchool)

glciampaglia / carray_test.py

Last active December 18, 2015 20:49

Code for writing a sparse adjacency matrix in COO format to PyTable's CArray representation.

	# Adapted from
	# http://pytables.github.io/usersguide/libref/homogenous_storage.html#the-carray-class

	import os
	import numpy
	import tables
	from itertools import groupby
	from operator import itemgetter
	from time import time

glciampaglia / weave_add_edges.py

Last active December 19, 2015 00:29

Using Weave to speed up batch edge insertion with graph-tool

	from time import time
	import numpy as np
	from graph_tool import Graph
	from graph_tool.run_action import inline


	def add_edges(graph, edges):
	'''
	Batch edges insertion. Pure Python implementation.

glciampaglia / gist:5877320

Created June 27, 2013 15:16

Shell enviroment for Python development on the CNetS servers.


	# Use the Python 2.7 installation in /l/
	PYTHONROOT=/l/python2.7
	export PATH=$PYTHONROOT/bin:$PATH
	export LD_LIBRARY_PATH=$PYTHONROOT/lib:$LD_LIBRARY_PATH
	export PYTHONPATH=$HOME/local/lib/python:$PYTHONPATH

	# My own local libraries and python modules are in ~/local
	export PATH=$HOME/local/bin:$PATH
	export MANPATH=$HOME/local/man:$MANPATH

glciampaglia / refdict.py

Last active December 20, 2015 12:49

A dictionary class that stores references to duplicate values. Values must be hashable types.

	class RefDict(dict):
	def __init__(self, args, *kwargs):
	'''
	A dictionary that stores references to a set of values. It gives an
	advantage in terms of memory when one needs to store several large
	duplicate objects.

	Note
	----
	Values must be hashable. Instead of lists, use tuples; instead of sets,

glciampaglia / gist:716454f610e02d9e7408

Created June 18, 2014 15:27

	### General Chairs

	[<img style="margin-bottom: 10px; margin-right: 10px" alt="Fil Menczer" src="img/org/Fil_Menczer.png"/>](http://bit.ly/filmenczer) [Fil Menczer, IU](http://bit.ly/filmenczer)<br/>
	[<img style="margin-bottom: 10px; margin-right: 10px" alt="Jim Hendler" src="img/org/Jim_Hendler.jpg" />](http://www.cs.rpi.edu/~hendler/) [Jim Hendler, RPI](http://www.cs.rpi.edu/~hendler/)<br/>
	[<img style="margin-bottom: 10px; margin-right: 10px" alt="William Dutton" src="img/org/william_dutton.jpg" />](http://people.oii.ox.ac.uk/dutton/) [William Dutton, Oxford](http://people.oii.ox.ac.uk/dutton/)<br/>

glciampaglia / google_twunter_lol

Last active August 29, 2015 14:06 — forked from jamiew/google_twunter_lol

glciampaglia / stream.py

Created November 12, 2018 19:27

Client for the filter endpoint of the Twitter Streaming API

	#!/usr/bin/env python
	# vim: set sw=4 sts=4 expandtab:
	# author: Giovanni Luca Ciampaglia <[email protected]>

	# TODO: set request timeout to 90 seconds to manage stalls and implement
	# backoff strategies as documented here:
	# https://dev.twitter.com/streaming/overview/connecting (see Stalls and
	# Reconnecting)
	#
	# and also see:

glciampaglia / bmctest.py

Created May 7, 2022 22:11

Bimodality coefficient (BMC)

	# IPython log file

	import sys
	import numpy
	numpy.set_printoptions(precision=2, suppress=True)
	import scipy
	import scipy.stats

	print("Python version = {sys.version}".format(sys=sys))
	print("NumPy version = {numpy.version.version}".format(numpy=numpy))

glciampaglia / test_selenium.py

Created May 7, 2022 22:16

Selenium test (Chrome webdriver)

	import time
	from selenium import webdriver
	from selenium.webdriver.common.by import By
	from selenium.webdriver.common.keys import Keys
	from selenium.webdriver.support.ui import WebDriverWait
	from selenium.webdriver.support.expected_conditions import \
	presence_of_element_located

	# This example requires Selenium WebDriver 3.13 or newer