jobliz

import redis
import threading

class Listener(threading.Thread):
    def __init__(self, r, channels):
        threading.Thread.__init__(self)
        self.redis = r
        self.pubsub = self.redis.pubsub()
        self.pubsub.subscribe(channels)
    

jobliz

function set-title(){
  if [[ -z "$ORIG" ]]; then
    ORIG=$PS1
  fi
  TITLE="\[\e]2;$*\a\]"
  PS1=${ORIG}${TITLE}
}

jobliz

import matplotlib
import matplotlib.pyplot as plt

# Iris petal length/width scatterplot (greatest class correlation)
# Dataset: http://archive.ics.uci.edu/ml/datasets/Iris
# Output: https://imgur.com/9TWhn

def data():
    lists = [line.strip().split(",") for line in open('flowerdata.txt', 'r').readlines()]
    return [map(float, l[:4]) for l in lists], [l[-1] for l in lists]

jobliz

#!/bin/bash
# 
# A script to sync a local directory with a remote directory through FTP. The local directory contents
# will overwrite the remote directory. If a file was deleted locally, it will be deleted remotely.
# Notes:
#
# - It excludes the content of the .git directory. 
# - The -P flag is for parallelizing work.
# - 'set ssl:verify-certificate false' might not be necessary. YMMV.
#

jobliz

// gcc himmelblau_simulated_annealing.c -lm && ./a.out

#include <math.h>
#include <stdio.h>
#include <stdlib.h> // RAND_MAX

double rand01(void)
{
    return rand() / ((double) RAND_MAX);
}

jobliz

Keybase proof

I hereby claim:

• I am jobliz on github.
• I am jobliz (https://keybase.io/jobliz) on keybase.
• I have a public key ASDvrV7KVZ6FJMIq3ZP0e-vmMPhZdadkN9hMuZaE3sFEtwo

To claim this, I am signing this object:

jobliz

PostgreSQL database configuration with ltree extension

1. Install PostgreSQL database (apt install postgresql postgresql-contrib under Ubuntu)
2. Log in to the postgres account: sudo --login --user postgres
3. Start the PostgreSQL interactive terminal: psql
4. Create the database: postgres=# CREATE DATABASE my_database;
5. Create a user: postgres=# CREATE USER my_user WITH PASSWORD 'my_password';
6. Grant the user access to the database. postgres=# GRANT ALL PRIVILEGES ON DATABASE my_database to my_user;
7. Switch to the database: \connect my_database;

jobliz

Tag Search with ElasticSearch 6

This is a modified version of this tutorial, the queries have been modified so that they work with ES6. Many backwards incompatible changes happened between previous verions and 6, so many how-to's on the internet are outdated. If you're just starting learning ElasticSearch with version 6 then you should read these links and keep a mental note of them.

• CURL syntax with ElasticSearch:

jobliz

import sys
import csv

from elasticsearch_dsl.connections import connections
from elasticsearch_dsl import DocType, Text, Date, Search
from elasticsearch import Elasticsearch

connections.create_connection(hosts=['localhost'], timeout=20)
es = Elasticsearch()
ess = Search(using=es)

jobliz

import os
import sys
import atexit
import shutil
import subprocess

def main(width, height):
    # get image paths in full
    dir_path = os.path.dirname(os.path.realpath(__file__))
    dir_images = os.path.join(dir_path, 'sprite-src/')