glamp

Modifying an Existing Docker Image

To install a custom package or modify an existing docker image we need to

1. run a docker a container from the image we wish to modify
2. modify the docker container
3. commit the changes to the container as a docker image
4. test changes made to image

1.) Running a docker container from an image

rgl

bash -c 'while [[ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:9000)" != "200" ]]; do sleep 5; done'

# also check https://gist.github.com/rgl/c2ba64b7e2a5a04d1eb65983995dce76

ummahusla

# overwrite master with contents of feature branch (feature > master)
git checkout feature      # source name
git merge -s ours master  # target name
git checkout master       # target name
git merge feature         # source name

kairos34

object ZipManager {

    fun zip(files: List<File>, zipFile: File) {
        ZipOutputStream(BufferedOutputStream(FileOutputStream(zipFile))).use { output ->
            files.forEach { file ->
                (file.length() > 1).ifTrue {
                    FileInputStream(file).use { input ->
                        BufferedInputStream(input).use { origin ->
                            val entry = ZipEntry(file.name.toRealName())
                            output.putNextEntry(entry)

betrcode

Using Python to check if remote port is open and accessible.

Taken from http://snipplr.com/view/19639/test-if-an-ipport-is-open/

Usage:

• Open a Python prompt
• Run the script in is_port_open.py
• Call isOpen with a host and a port parameter. Example: isOpen("www.google.com", 80)

GabLeRoux

#!/usr/bin/env python
import json
import sys

try:
    dotenv = sys.argv[1]
except IndexError as e:
    dotenv = '.env'

with open(dotenv, 'r') as f:

gilbitron

APP_ENV=testing
APP_KEY=SomeRandomString

DB_CONNECTION=testing
DB_TEST_USERNAME=root
DB_TEST_PASSWORD=

CACHE_DRIVER=array
SESSION_DRIVER=array
QUEUE_DRIVER=sync

santiagobasulto

""" This is a simple gist to show how to mock
private methods. I've got lots of questions
regarding this topic. Most people seems confused.

Hope it helps.
"""


import unittest
import mock

satishgunjal

import subprocess

try:
    output = subprocess.check_output(['sudo', 'iwgetid'])
    print("Connected Wifi SSID: " + output.split('"')[1])
except Exception, e:
    print e

mekza

from wtforms import SelectField
import pycountry

class CountrySelectField(SelectField):
    def __init__(self, *args, **kwargs):
        super(CountrySelectField, self).__init__(*args, **kwargs)
        self.choices = [(country.alpha_2, country.name) for country in pycountry.countries]