asanchez75

# From https://sigterm.sh/2010/07/09/generating-a-dependency-graph-for-a-postgresql-database/
# Converted to Python3
# Add config fort dbport
# Increase PNG Size
# pylinting

from optparse import OptionParser, OptionGroup

import sys
import psycopg2

asanchez75

object ParallelProcessing {

  val queries: List[(String, String)] = List(
    ("SELECT * FROM ABC", "output1"), 
    ("SELECT * FROM XYZ", "output2")
  )

  // Just use parallel collection instead of futures, that's it
  queries.par foreach { 
    case (query, path) =>

asanchez75

from SPARQLWrapper import SPARQLWrapper, POST, BASIC, DIGEST, TURTLE, N3, XML, RDFXML
from rdflib import Graph

sparql = SPARQLWrapper("http://localhost:7200/repositories/myrepo")
sparql.setHTTPAuth(BASIC)
sparql.setCredentials("admin", "admin")
sparql.setMethod(POST)
sparql.setQuery("""
construct {?s ?p ?o}
where {

asanchez75

VIM KEYBOARD SHORTCUTS

MOVEMENT

h        -   Move left
j        -   Move down
k        -   Move up
l        -   Move right
$        -   Move to end of line
0        -   Move to beginning of line (including whitespace)

asanchez75

SELECT * FROM sys_rdf_schema;
ld_dir('/data', '*.ttl', 'http://www.example.com/genealogy.owl#');
delete from DB.DBA.load_list where ll_file='/data//einstein.ttl';
SPARQL SELECT (COUNT(DISTINCT ?x) AS ?count) WHERE { ?x ?y ?z };
sparql clear graph <http://www.example.com/genealogy.owl#>;
sparql load <https://github.com/blokhin/genealogical-trees/raw/master/data/header.ttl> into <http://www.example.com/genealogy.owl#>;
rdfs_rule_set('fhkb', 'http://www.example.com/genealogy.owl#');


SPARQL SELECT ?g count(*) as ?count WHERE { GRAPH ?g {?s ?p ?o } } GROUP BY ?g ORDER BY DESC 2;

asanchez75

Lsyncd Technical Session

So what is lsyncd?

Lsyncd is a tool used to keep a source directory in sync with other local or remote directories. It is a solution suited keeping directories in sync by batch processing changes over to the synced directories.

When would we use lsyncd?

So the generic use case is to keep a source directory in sync with one or more local and remote directories.

asanchez75

function ltrim(s) { sub(/^[ \t\r\n]+/, "", s); return s }
function rtrim(s) { sub(/[ \t\r\n]+$/, "", s); return s }
function trim(s)  { return rtrim(ltrim(s)); }
BEGIN {
# whatever
}
{
# whatever
}
END {

asanchez75

Clean tmux cheat-sheet

By resources

sessions

list-sessions        ls         -- List sessions managed by server
new-session          new        -- Create a new session

asanchez75

# /etc/nginx/sites-enabled/some.domain
# Change the server name {some.domain}
# Change the {host.of.notebook} and {port} in the following locations
server {
        listen 80;
        # Change the server name {some.domain}
        server_name some.domain;
        location / {
                # Change the {host.of.notebook} and {port}
                proxy_pass http://host.of.notebook:port;

asanchez75

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure("2") do |config|
  # All Vagrant configuration is done here. The most common configuration
  # options are documented and commented below. For a complete reference,
  # please see the online documentation at vagrantup.com.

  # Every Vagrant virtual environment requires a box to build off of.
  config.vm.box = "precise32"