Alex Pearwin alexpearce

Softwarer. (Né Alex Pearce.)

alexpearce / sqlite3_timing.py

Created October 27, 2014 10:44

Timing operations on an SQLite database.

	import timeit
	import os

	DB_PATH = 'database.db'
	# Number of runs to generate
	NRUNS = int(1e6)

	insert_setup = """import sqlite3
	con = sqlite3.connect('{0}')
	con.execute('CREATE TABLE runs (run INTEGER PRIMARY KEY)')

alexpearce / sqlite3_example.py

Last active August 29, 2015 14:08

Creating and manipulating a run number database.

	import sqlite3
	import random

	# Create the database
	con = sqlite3.connect('/path/to/database.db')
	con.execute('CREATE TABLE runs (run INTEGER PRIMARY KEY)')

	# Insert many runs...
	runs = range(int(1e3))
	random.shuffle(runs)

alexpearce / offset_text.py

Last active November 5, 2020 07:03

Nice offset label formatting in matplotlib. See [the blog post](https://alexpearce.me/2014/04/exponent-label-in-matplotlib/) for more.

	import numpy as np
	from matplotlib import pyplot as plt

	fig = plt.figure(figsize=(5, 4))
	# Generate some data
	mu, sigma = 1e7, 1e6
	s = np.random.normal(mu, sigma, 10000)
	# Plot it
	plt.hist(s, 30, histtype='step')
	# Format it

alexpearce / test.cpp

Created January 20, 2014 10:30

This is an example C++ class using C++11 features and ROOT.

	#include "iostream"
	#include "map"
	#include "TString.h"

	int main(int argc, char const *argv[])
	{
	std::map<int, TString>myMap {
	{2, "Hello"},
	{4, "There"},
	{8, "Stranger"},

alexpearce / rootdocs.sh

Created March 11, 2013 14:37

RootDocs is a tiny bash script for launching documentation for ROOT classes.

	#!/bin/bash

	function bail {
	echo You did not enter a valid ROOT class $1
	exit 1
	}

	if [ -n "$1" ]; then
	if [ `expr match $1 T` == 1 ]; then
	status_code=`curl -o /dev/null -sIw "%{http_code}" http://root.cern.ch/root/html/$1.html`