Priyanshu Jain priyanshujain

How to migrate Django from SQLite to PostgreSQL

Dump existing data:

python3 manage.py dumpdata > datadump.json

Change settings.py to Postgres backend.

Make sure you can connect on PostgreSQL. Then:

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

What's an Effective Engineer?

Since kernel version 4.4.0-20, it was enforced that unsigned kernel modules will not be allowed to run with Secure Boot enabled. Because you want to keep Secure Boot, then the next logical step is to sign those modules.

So let's try it.

Create signing keys

openssl req -new -x509 -newkey rsa:2048 -keyout MOK.priv -outform DER -out MOK.der -nodes -days 36500 -subj "/CN=Descriptive name/"

Peter Thiel's CS183: Startup - Class 1 Notes Essay

Here is an essay version of my class notes from Class 1 of CS183: Startup. Errors and omissions are my own. Credit for good stuff is Peter’s entirely.

CS183: Startup—Notes Essay—The Challenge of the Future

Purpose and Preamble

	{
	"editor.fontFamily": "Fira Code",
	"editor.fontLigatures": true,
	"workbench.editor.highlightModifiedTabs": true,
	"files.autoSave": "afterDelay",
	"explorer.sortOrder": "type",
	"editor.cursorStyle": "block",
	"editor.cursorBlinking": "smooth",
	"files.trimFinalNewlines": true,
	"editor.acceptSuggestionOnEnter": "off",

	[
	{
	"value": "Dateline Standard Time",
	"abbr": "DST",
	"offset": -12,
	"isdst": false,
	"text": "(UTC-12:00) International Date Line West",
	"utc": [
	"Etc/GMT+12"
	]

	#!/bin/bash

	if [ "$#" -ne 2 ]; then
	echo "usage error: sh nmonitor.sh <pid> <time_to_monitor_in_seconds>";exit 1
	fi

	pid=$1
	time=$2

	#read -p "Please enter your process Id: " pid

	# Compiled source #
	###################
	*.com
	*.class
	*.dll
	*.exe
	*.o
	*.so

	# Packages #

	package main

	import (
	"crypto/aes"
	"crypto/cipher"
	"crypto/rand"
	"encoding/base64"
	"fmt"
	"io"
	)

	function validateXML(txt)
	{
	// code for IE
	if (window.ActiveXObject)
	{
	var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
	xmlDoc.async=false;
	xmlDoc.loadXML(document.all(txt).value);

	if(xmlDoc.parseError.errorCode!=0)