fumin’s gists

fumin / bashrc

Last active November 25, 2023 23:34

bashrc

	export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
	export PATH=/usr/local/ffmpeg-6.1-amd64-static:$PATH

	alias pbcopy='xclip -selection clipboard'
	alias pbpaste='xclip -selection clipboard -o'

	open() {
	nautilus $1 &
	}

fumin / mat_pretty_printer.py

Created April 10, 2022 13:58

pretty printer for opencv Mat

	numpy_code = """
	# -- coding: utf-8 --
	# Copyright (c) 2014, Almar Klein and Wade Brainerd
	# tinynumpy is distributed under the terms of the MIT License.
	#
	# Original code by Wade Brainerd (https://github.com/wadetb/tinyndarray)
	#
	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to deal
	# in the Software without restriction, including without limitation the rights

fumin / dynamodb_invalid_utf8.go

Created April 14, 2017 18:48

Demonstration that DynamoDB automatically collates String fields, which is undesirable.

	package main

	import (
	"flag"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/credentials"
	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/aws/aws-sdk-go/service/dynamodb"
	"github.com/pkg/errors"

fumin / background.sh

Created November 22, 2015 19:59

script to restart all background processes including dynamodb, sqs, redis, and elasticsearch

	#!/bin/sh

	function killport {
	while true; do
	PID=$(lsof -i TCP:$1 \| grep LISTEN \| awk '{print $2}')

	exec 3>&2 # 3 is now a copy of 2
	exec 2> /dev/null # 2 now points to /dev/null
	kill $PID
	kill -0 $PID

fumin / concat.go

Last active August 29, 2015 14:05

A command to truncate and then concatenate Google Cloud Storage files

fumin / present.go

Created July 5, 2014 04:09

Example of using the present package

	package main

	import (
	"bytes"
	"html/template"
	"net/http"

	"code.google.com/p/go.tools/present"
	)

fumin / selfreproducing.go

Created April 7, 2014 19:19

self-reproducing program in Go

fumin / floating_point_experiment.m

Created February 24, 2014 16:15

OpenGL floating point texture experiment

	void floatTextureExperiment
	{
	GLenum err = 0;
	GLuint texture1;
	glGenTextures(1, &texture1);
	glActiveTexture(GL_TEXTURE1);
	glBindTexture(GL_TEXTURE_2D, texture1);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);

fumin / profile.rb

Last active August 29, 2015 13:56

redis key distribution profiling script

	# profile.rb - A script that analyzes the memory usage of a redis instance from it's "dump.rdb"
	#
	# To run this script, edit the key_groups variable in the stats method, and then run
	# `ruby profile.rb dump.rdb` in the command line.
	# Running this script will:
	# * Dump the contents of the input rdb file in CSV format to "/tmp/memory.csv"
	# * Load the contents of "/tmp/memory.csv" to the table "mem" in the "redis_mem" database
	# * Print the stats of each key group to STDOUT
	#
	# Dependencies:

fumin / haproxy.cfg

Last active September 18, 2020 23:53

Haproxy config file for SSL and basic authentication

	# Haproxy config file for SSL and basic authentication
	#
	# Since ssl is needed, we need to use
	# `make TARGET=linux26 USE_OPENSSL=1 ADDLIB=-lz` to install haproxy.
	# Also, haproxy version must be haproxy-1.5-dev19 or above.
	#
	# An example curl command that queryies pic-collage.com/api/collages/feed is
	# `curl -k -v -u 'collages:password' 'https://ec2-ip.compute-1.amazonaws.com/api/collages/feed'`

	userlist collages_dyno

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