dsaiztc

Basic Syntax

$ scp source_file_path destination_file_path

Uploading

Single file

dsaiztc

import ipaddress

for host in ipaddress.ip_network('204.93.240.0/24').hosts():
  print(host)

dsaiztc

SELECT TRIM(pgn.nspname) AS SCHEMA,
      TRIM(a.name) AS TABLE,
      id AS TableId,
      decode(pgc.reldiststyle,
            0, 'EVEN',
            1,det.distkey ,
            8,'ALL'
      ) AS DistKey,
      decode(pgc.reldiststyle,
            8,NULL,

dsaiztc

import string
import random

chars = string.ascii_letters + string.digits + string.punctuation
chars = string.ascii_letters + string.digits

pwd_length = 16

''.join((random.choice(chars)) for x in range(pwd_length))

dsaiztc

cursor = None
rows = []
total_rows = -1
while(True):
    try:
        total_rows += 1
        row = next(cursor)
        rows.append(row)
    except bson.errors.InvalidBSON:
        logger.exception('Failed to parse document')

dsaiztc

sudo python -m smtpd -n -c DebuggingServer localhost:25

dsaiztc

Remove all stopped containers

docker rm $(docker ps -a -q)

Remove all untagged images

docker rmi $(docker images | grep "^<none>" | awk "{print $3}")

dsaiztc

[credential]
	helper = cache --timeout=3600
[status]
	submoduleSummary = true
[alias]
	work = log --pretty=format:\"%C(yellow)%h %ar (%ai) %C(auto)%d %Creset %s , %Cblue%cn\" --graph --all

dsaiztc

/* https://stackoverflow.com/a/30783772/3149679 */

WHERE
  created >= date_trunc('week', CURRENT_TIMESTAMP - interval '1 week') 
  AND
  created < date_trunc('week', CURRENT_TIMESTAMP)
      

dsaiztc

from time import sleep


def try():
  success = False
  retries = 0
  max_retries = N
  while not success:
    # Execute task, success = True if successful
    if retries == max_retries: