Viet Vu vietvudanh

## snippets.md

      
              4 files
            
          
              0 forks
            
          
              1 comment
            
          
              2 stars
            
          
                vietvudanh
                / snippets.md
            
            
              Last active
              April 21, 2024 01:51
            
              
                My common snippets
              
          
    Bash

shebang

#!/usr/bin/env bash
CWD="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
date loop


## cred_install.sh
# 1. python file
sudo mkdir -p /opt/cred
cat <<ETO > /opt/cred/creds.py
import argparse
import sys
import yaml

parser = argparse.ArgumentParser(description='find creds or execute credential')
parser.add_argument('--mode', help='mode to run')
parser.add_argument('--name', help='name to find')

## worker-pool.go
package main

import (
	"fmt"
	"sync"
	"time"
)

const concurrency = 3
const numTasks = 100

## sqla_nodes.py
"""
simple example showing sqlalchemy Adjacency List Relationships
https://docs.sqlalchemy.org/en/13/orm/self_referential.html
"""
from sqlalchemy import create_engine, Column, ForeignKey, Integer, String
from sqlalchemy.orm import sessionmaker, relationship, backref
from sqlalchemy.ext.declarative import declarative_base

DB_PATH = 'sqlite:///nodes.sql'

## chiasenhac.py
"""script for downloading album from chiasenhac
"""
import time
import sys
from pathlib import Path
from bs4 import BeautifulSoup
import requests
from multiprocessing import Pool

BASE_OUTPUT = 'albums'

## zip.sh
# .zip
zip -r -o out.zip folder
unzip out.zip

# xz
gzip -r folder
gzip -f file
gunzip out.gz

# tar.gz

## vbox.sh
# list
vboxmanage list vms
vboxmanage list runningvms

# start
VM=cent7_1
vboxmanage startvm $VM --type headless

# stop
vboxmanage controlvm Ubuntu poweroff soft

## convert_csv_hdf5.py
# -*- coding: utf-8 -*-
import h5py
import sys
import pandas as pd
import datetime

if len(sys.argv) == 1:
    print("No provided file")
    sys.exit(1)

## EmailBackend.py
# settings.py
EMAIL_BACKEND = 'backends.SMTPEmailBackend'

# backends.py
"""Custom SMTP email backend class"""
import smtplib
from django.core.mail.utils import DNS_NAME
from django.core.mail.backends.smtp import EmailBackend

class SMTPEmailBackend(EmailBackend):

## common_import.py
import os
import sys

import pandas as pd
import numpy as np
import matplotlib
from matplotlib import pyplot as plt
import seaborn as sns

from IPython.core.display import display, HTML
	# 1. python file
	sudo mkdir -p /opt/cred
	cat <<ETO > /opt/cred/creds.py
	import argparse
	import sys
	import yaml

	parser = argparse.ArgumentParser(description='find creds or execute credential')
	parser.add_argument('--mode', help='mode to run')
	parser.add_argument('--name', help='name to find')
	package main

	import (
	"fmt"
	"sync"
	"time"
	)

	const concurrency = 3
	const numTasks = 100
	"""
	simple example showing sqlalchemy Adjacency List Relationships
	https://docs.sqlalchemy.org/en/13/orm/self_referential.html
	"""
	from sqlalchemy import create_engine, Column, ForeignKey, Integer, String
	from sqlalchemy.orm import sessionmaker, relationship, backref
	from sqlalchemy.ext.declarative import declarative_base

	DB_PATH = 'sqlite:///nodes.sql'
	"""script for downloading album from chiasenhac
	"""
	import time
	import sys
	from pathlib import Path
	from bs4 import BeautifulSoup
	import requests
	from multiprocessing import Pool

	BASE_OUTPUT = 'albums'
	# .zip
	zip -r -o out.zip folder
	unzip out.zip

	# xz
	gzip -r folder
	gzip -f file
	gunzip out.gz

	# tar.gz
	# list
	vboxmanage list vms
	vboxmanage list runningvms

	# start
	VM=cent7_1
	vboxmanage startvm $VM --type headless

	# stop
	vboxmanage controlvm Ubuntu poweroff soft
	# -- coding: utf-8 --
	import h5py
	import sys
	import pandas as pd
	import datetime

	if len(sys.argv) == 1:
	print("No provided file")
	sys.exit(1)
	# settings.py
	EMAIL_BACKEND = 'backends.SMTPEmailBackend'

	# backends.py
	"""Custom SMTP email backend class"""
	import smtplib
	from django.core.mail.utils import DNS_NAME
	from django.core.mail.backends.smtp import EmailBackend

	class SMTPEmailBackend(EmailBackend):
	import os
	import sys

	import pandas as pd
	import numpy as np
	import matplotlib
	from matplotlib import pyplot as plt
	import seaborn as sns

	from IPython.core.display import display, HTML