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from pymongo import MongoClient 
from odo import odo
import pandas as pd

# open connection
connection = MongoClient()

# pandas df creation
DF = pd.DataFrame({'A': [1,2,3,4,5,6,7], 'B':[10,20,30,40,50,60,70]})
# database connection

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version: "3"
services:

  postgres-db:
    image: postgres
    restart: always
    ports:
      - 5432:5432
    environment:
      POSTGRES_PASSWORD: postgres

adrianrocamora

Use another mirror when PyPI go down

Find a mirror geographically close to you and use it like this:

pip install -i https://[mirror-url]/simple package

For instance, using a Beijing mirror:

pip install -i https://pypi.douban.com/simple package

adrianrocamora

Installing Kubernetes on ArchLinux

Packages

pacman -S curl docker ebtables ethtool wget unzip

Also cfssl is needed but available on AUR, using pacaur

pacaur -S cfssl

adrianrocamora

Installing Kubernetes on ArchLinux

Packages

pacman -S curl docker ebtables ethtool wget unzip

Also cfssl is needed but available on AUR, using pacaur

pacaur -S cfssl

adrianrocamora

Arch Linux installation (Windows 10 dual boot)

Before

1. Disable Windows Fast-Startup
2. Disable Secure Boot

Partitioning

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pkg upgrade
pkg install python python-dev libzmq-dev libcrypt-dev clang
pip3 install -U pip
pip3 install pyzmq --install-option="--zmq=/usr/lib"
pip3 install jupyter

#TODO: Clean up ~200 mb pulled by build...
apt remove python-dev libzmq-dev libcrypt-dev clang
apt autoremove
rm .cache ../usr/var/cache -rf

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10-Bit H.264

For all those who haven’t heard of it already, here’s a quick rundown about the
newest trend in making our encodes unplayable on even more systems: So-called
high-bit-depth H.264. So, why another format, and what makes this stuff
different from what you know already?

First off: What is bit depth?
In short, bit depth is the level of precision that’s available for storing color
information. The encodes you’re used to have a precision of 8 bits (256 levels)

adrianrocamora

With this wiki2html.sh bash script and pandoc program, you can convert markdown to html.

Usage: In the vim list section of the .vimrcfile, include options:

let g:vimwiki_list = [{'path': ‘your_wiki_place',
  \ 'path_html': ‘wiki_html_location’,
  \ 'syntax': 'markdown',
 \ 'ext': '.md',

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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.