jay-johnson’s gists

Last active November 15, 2022 18:57

Polars Rust - Convert DataFrame Epoch Column in Milliseconds (i64) to a UTC date-formatted string

	let date_utc_str_s: Series = Series::new(
	"date_utc_str",
	df
	.column("date")
	.unwrap()
	.cast(&DataType::Datetime(
	polars::datatypes::TimeUnit::Milliseconds,
	None))
	.unwrap()
	.strftime("%Y-%m-%dT%H:%M:%SZ")

jay-johnson / Open a file at specific line and column with vim.md

Last active November 3, 2022 15:02

Open a file at specific line and column with vim

Example error message when deserializing json:

expected a string at line 1 column 435

# cursor(LINE_NUM, COL_NUM)
vi file-with-nested-json-error.json "+call cursor(1, 435)"

jay-johnson / install-ycm-with-vim-src.sh

Last active July 21, 2019 21:37

Unofficial - Install YouCompleteMe with Vim from Source

	#!/bin/bash

	function install_ycm() {
	mkdir -p ~/.vim
	curdir=$(pwd)
	if [[ "$(which xcode-select)" != "" ]]; then
	# you may need to install packages with: xcode-select --install
	echo ""
	echo "installing XQuartz"
	ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null ; brew install caskroom/cask/brew-cask 2> /dev/null

jay-johnson / grow-fs.sh

Created June 1, 2019 07:18

Resize partition to maximum using parted in non-interactive mode

	#!/bin/bash

	# example from
	# for donkey car
	# https://serverfault.com/questions/870594/resize-partition-to-maximum-using-parted-in-non-interactive-mode

	set -e

	if [[ $# -eq 0 ]] ; then
	echo 'please tell me the device to resize as the first parameter, like /dev/sda'

jay-johnson / location: etc_sysconfig_network-scripts - ifcfg-eno1

Created March 24, 2019 22:47

eno1 static no bridge

jay-johnson / use system for libvirt.sh

Created March 24, 2019 06:33

use system for libvirt

export LIBVIRT_DEFAULT_URI="qemu:///system"

jay-johnson / .bashrc

Created March 15, 2019 16:08

base bashrc

	# ~/.bashrc: executed by bash(1) for non-login shells.
	# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
	# for examples

	# If not running interactively, don't do anything
	case $- in
	i) ;;
	*) return;;
	esac

Last active March 15, 2019 15:57

Mac OS X iTerm2 settings

Set these under iTerm2 > Preferences > Keys

control + d

Send Text with "vim" Special Chars

to

jay-johnson / Asciinema Command Example

Created January 9, 2019 16:59

Asciinema Command Example

file=/data/asciinema/sa-2-fullstack; rm -f ${file}; asciinema rec ${file} -i 2 -t "title_here"

jay-johnson / convert_date_columns_from_UTC_to_EST_dates.py

Last active January 3, 2019 19:02

Pandas Convert Date Column From UTC to EST dates

Jay jay-johnson