bschaatsbergen

version: '2.2'
services:
  es01:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.12.0
    container_name: es01
    environment:
      - node.name=es01
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es02,es03
      - cluster.initial_master_nodes=es01,es02,es03

slowkow

#!/usr/bin/env python
"""
Remove emoji from a text file and print it to stdout.

Usage
-----

    python remove-emoji.py input.txt > output.txt

"""

jbochi

decisionmechanics

library(readr)
library(dplyr)

url <- "https://archive.ics.uci.edu/ml/machine-learning-databases/wine-quality/winequality-white.csv"

df <- 
  read_delim(url, delim = ";") %>% 
  dplyr::mutate(taste = as.factor(ifelse(quality < 6, "bad", ifelse(quality > 6, "good", "average")))) %>% 
  dplyr::select(-quality)

LeCoupa

# Redis Cheatsheet
# All the commands you need to know


redis-server /path/redis.conf  # start redis with the related configuration file
redis-cli                      # opens a redis prompt


# Strings.

lucndm

# https://stackoverflow.com/questions/3463930/how-to-round-the-minute-of-a-datetime-object-python/10854034#10854034

def roundTime(dt=None, roundTo=60):
   """Round a datetime object to any time laps in seconds
   dt : datetime.datetime object, default now.
   roundTo : Closest number of seconds to round to, default 1 minute.
   Author: Thierry Husson 2012 - Use it as you want but don't blame me.
   """
   if dt == None : dt = datetime.datetime.now()
   seconds = (dt - dt.min).seconds

markhu

class edict(dict):  # Similar to bunch, but less, and JSON-centric
    # based on class dotdict(dict):  # from http://stackoverflow.com/questions/224026/dot-notation-for-dictionary-keys
    
    __setattr__= dict.__setitem__  # TBD: support assignment of nested dicts by overriding this?
    __delattr__= dict.__delitem__

    def __init__(self, data):
        if type(data) in ( unicode, str ):
            data = json.loads( data)
    

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'