Author: rchapin

Compiling Python 3.8.x Under Linux

Posted on by rchapin

Yes, I know. 3.8.x? That’s an older version of Python but there are still a number of current applications and libs that require 3.8 as well as a number of distros that still have 3.8 as the most recent easily installable version. With that being said, the following is a quick how to on getting it compiled under both RedHat/CentOS/Almalinux and Debian based systems.

Install Dependencies

This assumes that you already have the “build-essentials” and kernel headers installed on the → Continue reading “Compiling Python 3.8.x Under Linux”

Using fc to Edit and Re-execute Bash Commands

Posted on by rchapin

I recently learned about the Bash built-in fc. It is a great tool that enables you to edit and re-execute commands from your bash history.

Oftentimes there is a command in your history that instead of just grepping through the history and then re-executing as-is you’ll want to make a modification or two. With fc you can first edit it in your favorite editor and then when closing the editor fc will execute the command.

For me, vim is my → Continue reading “Using fc to Edit and Re-execute Bash Commands”

Fluffy Waffles

Posted on by rchapin

Ingredients

  • 1 3/4 cups Flour
  • 2 teaspoons baking powder
  • 1/2 teaspoon salt
  • 1 tablespoon sugar or 1 tablespoon honey
  • 3 eggs – separated
  • 1 1/2 cup milk
  • 1/3 cup vegetable oil
  • 1/4 tsp vanilla

Instructions

  1. Sift dry ingredients in a bowl
  2. Add egg yolks, milk, vegetable oil, and vanilla to dry ingredients – using a mixer, beat thoroughly
  3. Beat egg whites until stiff and gently fold egg whites into batter
  4. For use in waffle iron – Follow manufacturer directions! Makes
→ Continue reading “Fluffy Waffles”

Black Bean Cupcakes

Posted on by rchapin

Makes about 12 cupcakes.

Ingredients

Cupcakes

  • 1/2 cups black beans cooked and drained
  • 3 large eggs
  • 1 cup plus 2 tablespoons granulated sugar
  • 4 tablespoons unsalted melted butter
  • 1/2 cups cocoa powder
  • 1 teaspoon instant cofee
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/3 cup of chopped dark chocolate

Glaze

  • 4 tablespoons unsalted butter
  • 1 tablespoons cocoa powder
  • 1/2 cup powdered sugar

Instructions

Cupcakes

  1. Preheat seep to 350F
  2. In a blender add all at the ingredients
→ Continue reading “Black Bean Cupcakes”

Creating a Launch Config in VSCode to Debug a Python Invoke Script

Posted on by rchapin

I regularly use Python Invoke and Fabric for the automation of various tasks; from deploying code to developing my own set of tools for various projects. Following is an example on how to write a launch.json launch configuration for vscode so that you can step through the tasks.py code and debug it.

Assuming that you have created a virtual environment and pip installed invoke into it. And, assuming that you have defined a task in your tasks.py file as follows:→ Continue reading “Creating a Launch Config in VSCode to Debug a Python Invoke Script”

Using bq load Command to Load logicalType Partitioned Data into a BigQuery Table

Posted on by rchapin

Following is the syntax and bq load command that you need to issue if you want to load data in avro file into a partitioned BigQuery table based on avro field defined as a logicalType.

Given the following schema

{
  "type" : "record",
  "name" : "logicalType",
  "namespace" : "com.ryanchapin.tests",
  "fields" : [ {
    "name" : "id",
    "type" : [ "null", "string" ],
    "default" : null
  }, {
    "name" : "value",
    "type" : [ "null", "long" ],
    "default" : null
  },
→ Continue reading “Using bq load Command to Load logicalType Partitioned Data into a BigQuery Table”

Sheet Pan Mushroom and Gnocchi

Posted on by rchapin

Ingredients

  • 1 pound mixed wild mushrooms
  • 2 medium shallots
  • 1 pound fresh, shelf-stable, or frozen potato gnocchi
  • 3 tablespoons olive oil
  • 1/2 teaspoon kosher salt
  • 1/4 teaspoon freshly ground black pepper
  • Fresh thyme leaves, for garnish

Instructions

  1. Preheat oven to 400F
  2. Slice mushrooms, chop shallots
  3. Place mushroom, shallots, and gnocchi in a mixing bowl and drizzle with olive oil. Add seasoning and toss to coat oil and seasonings.
  4. Turn out onto baking sheet in an even layer
  5. Roast for about
→ Continue reading “Sheet Pan Mushroom and Gnocchi”

Flush Commands to BASH History Immediately

Posted on by rchapin

I cannot take credit for figuring this one out. Original post is here.

TLDR; is to add the following to your ~/.bashrc

export PROMPT_COMMAND='history -a'

Following are the history configs that I use

######################################################################
shopt -s histappend
HISTSIZE=-1
HISTFILESIZE=-1
HISTCONTROL=ignoreboth
HISTTIMEFORMAT="[%F %T] "
export PROMPT_COMMAND='history -a'
######################################################################
→ Continue reading “Flush Commands to BASH History Immediately”
© 2005 Ryan Chapin