eliangcs’s gists

eliangcs / vim_cheatsheet.md

Last active August 29, 2015 14:10

My Vim cheatsheet

eliangcs / ipython_startup.py

Created December 1, 2014 22:05

Common imports for IPython startup

	# ~/.ipython/profile_default/startup/00_common.py
	import base64
	import codecs
	import cPickle as pickle
	import cStringIO as StringIO
	import csv
	import hashlib
	import importlib
	import json
	import math

eliangcs / arrow2.zsh-theme

Last active August 29, 2015 14:16

My oh-my-zsh theme

	# Forked from https://github.com/robbyrussell/oh-my-zsh/blob/master/themes/arrow.zsh-theme

	git_describe() {
	echo $(git describe --tag 2> /dev/null)
	}

	my_git_prompt_info() {
	prompt=$(git_prompt_info)
	if [ ! -z "$prompt" ]; then
	echo "$(git_describe) ($(git_prompt_info))"

eliangcs / export_import_vertica.sql

Last active August 29, 2015 14:17

Export/import data from Vertica

	-- Export
	\a -- Disable alignment
	\t -- Disable column header
	\o output.txt -- Set output filename
	SELECT * FROM table; -- Select the data to export

	-- Import
	COPY table FROM '/path/to/output.txt' DELIMITER '\|';

eliangcs / time_celery_task.py

Last active December 16, 2016 17:45

Log execution time for every Celery task, working on Celery 3.1.x.

	import logging
	import time

	from celery import shared_task as orig_shared_task


	def timeit(func):
	"""A decorator used to log the function execution time."""
	logger = logging.getLogger('tasks')

eliangcs / vsql_commands.txt

Last active August 29, 2015 14:27

vsql info

	See the Vertica Programmer's Guide for information on available commands.

	General
	\c[onnect] [DBNAME\|- [USER]]
	connect to new database (currently "localdev")
	\cd [DIR] change the current working directory
	\q quit vsql
	\set [NAME [VALUE]]
	set internal variable, or list all if no parameters
	\timing toggle timing of commands (currently off)

eliangcs / shortcuts.sh

Last active January 18, 2016 06:29

Shell shortcuts

	# Clear local merged branches
	function clearbranches(){
	cur_branch=`git rev-parse --abbrev-ref HEAD`
	if [[ "$cur_branch" == "master" ]]; then
	git branch --merged \| grep -v "\*" \| xargs -n 1 git branch -d
	else
	echo "Not on master branch!"
	fi
	}

eliangcs / tornado_subprocess.py

Last active January 7, 2020 08:48

A minimal web server that runs shell commands, powered by Tornado and its Subprocess module

	"""
	A minimal web server that runs shell commands, powered by Tornado and its
	Subprocess module. It does non-blocking IO and streams the response.

	To start the server:

	$ python tornado_subprocess.py

	To send a shell command using httpie:

eliangcs / index.html

Created January 12, 2016 15:25

eliangcs / index.html

Last active January 18, 2016 06:44

Integrating sine with Monte Carlo / Metropolis algorithm

Chang-Hung Liang eliangcs