junjaytan

;; create a list
(list 1 2 3)

;; Use getf on a plist (property list) to get an item
(getf (list :a 1 :b 2 :c 3) :a)

;; create a function that takes 4 fields as arguments and returns a plist representing that CD.
(defun make-cd (title artist rating ripped)
  (list :title title :artist artist :rating rating :ripped ripped))
;; call that function

junjaytan

# creating
see plan: >> terraform plan
create resources: >> terraform apply

# destroying
see plan: >> terraform plan -destroy
destroy: >> terraform destroy

junjaytan

# ec2
aws ec2 describe-instances

junjaytan

### Deleting branches ####
# delete local branch
git branch -d branch_name
# The -d option is an alias for --delete, which only deletes the branch if it has 
# already been fully merged in its upstream branch. You could also use -D, 
# which is an alias for --delete --force, which deletes the branch "irrespective of its merged status."

# delete remote branch: two commands you can use
git push origin --delete <branch_name>
git push origin :<branch_name>

junjaytan

"""
For example, if your yaml file is:
- mysite:
    url: www.hello.com
    username: blah
    pw: blah
# local temp directory for storing data
- local_temp_dir: '/my/temp/dir/'
"""

junjaytan

# To get the first directory in a path, e.g., return "First" for path /First/Second/Third/file.txt
# there is no easy way to do this using the os.path utilities. Instead, use pathlib
# see: http://stackoverflow.com/questions/26724275/removing-the-first-folder-in-a-path
import pathlib2

mypath='/first-dir/second-dir/third-dir'
p = pathlib2.Path(mypath)
firstdir = p[2] # first element is the '/'. If you don't have a root '/', then the first element is the first dirname
subdirs = p[3:]

junjaytan

"""
see: http://boto3.readthedocs.io/en/latest/reference/services/s3.html
set up your aws credentials in ~/.aws/credentials and default region per instructions
here: https://github.com/boto/boto3
"""

s3 = boto3.resource('s3')

# List objects within bucket prefix paths
my_bucket = s3.Bucket('base-bucket-name')

junjaytan

#!/usr/bin/env bash

# DATA_PATH should be the path to the dir holding your input data, e.g., "/mnt/data/"

# THREADS should be an integer


DATA_PATH=$1
THREADS=$2
VSQL_BIN="/opt/vertica/bin/vsql"

junjaytan

import logging
import argparse

def testfunc():
    logging.info("This is a log message.")
    
if __name__ == "__main__":
    parser.add_argument('--log', dest='loglevel', required=False, type=str, default='DEBUG',
                        help='logging level. By default is debug.')

junjaytan

__author__ = 'junjaytan'
"""
A simple script to detect if any files exist in a destination directory. If no files exist, then it finds
the oldest file from an input directory and moves it to the destination directory.
This functionality is useful if you want to ensure that input records get added to a directory in the
same order they were created
"""

import os
import shutil