Cassandra Compendium
Apache Cassandra Compendium, pasting together documentation from https://cassandra.apache.org/doc/latest/cassandra/data_modeling/index.html
Knowledgebase
The Knowlege base arranges tips and userful informations scattered on the web.
Simple method to add historic feature to SQLite
Abstract: Make a database which can be store historic modification is often considered a “secondary” activity, but bad design leads to databases that are difficult to optimize and often not very understandable. In this article we illustrate a simple method that respects the dictates of relational theory & is easy to understand. As a plus …
How to re-enable right click
Some news site still try in 2021 to disable right click and ability to copy content. These tactis are very very poor, and only block the users not interested in copying/stealing your code. The idea is to put something like that on body tag: <body oncopy="return false" oncut="return false" onpaste="return false" onbeforecopy="return false" ondragstart="return false" …
Legacy Management
Good insights from this article: How to strangle a legacy codebase The strategy is simple: Progressively delete the old code base, in favor of a new one. Here’s the plan: Have the new code acts as a proxy for the old code. Users use the new system, but it just redirects to the old one. Re-implement …
TiddlyWiki
TiddlyWiki is a rich, interactive tool for manipulating complex data with structure that doesn’t easily fit into conventional tools like spreadsheets or wordprocessors. Tiddlywiki born in 2004, is great if you need a fast way to make fast notes. In the past it was able to store itself using local javascript extensions, but now you need …
JonnyDecimal rulez!
https://johnnydecimal.com/
Simple crontab utilities
https://crontab.guru/ https://crontab-generator.org/
Simple Html debug via CSS
Add the following css lines to your CSS theme, possibly at the end div::before { content:” C:” attr(class) “” } *::before,*::after { color:red; font-weight:100; font-size:1.0em } and div classes will showup easily. Very handly while customizing WoooordPress :) This page show a demo.
AWS ECS is NOT Docker Swarm
Amazon Elastic Container services (ECS) is the Amazon Solution for running docker containers on Amazon. ECS is not a docker swarm implementation. I am writing this article to stress this, because this point is not very clear digging in the tutorials (it is explained a bit in the question “What is the difference between Docker Swarm, …
Mail Server on Docker: sanity checks
I have a shiny mail server on gioorgi.com. I decided to manage it on first person because it is important. I had some troubles sending mail to Hotmail: they banned my IP. So I find out this fantastic site which will check for you a tons of things, like correct DKIM signature and so on. …
QB64: basic Revenge
Quick Basic64 is a QBasic compatible programming language actively mantained. It produce C-compiled code and works under Linux and MacOS too. It resemble the original QBasic IDE, and supports its dialect. If you have some old qbasic code to “update”, QB64 is your best friend:Give it a try!
runif
Idempotent and minimal python 3 library for rapid scripting. Provide support for creating file, adding data to them, patching and so on. Why? (Ba)sh scripting is very easy to setup. So we end up using it all the time for simple procedural script. Sometimes is it useful to have idempotent script, like Ansible and Saltstack …
Mail Server on Docker (UPDATED)
Hosting your own email server is not a mandatory task; it increase your attack surface too. But relaying too much on big emails provider (Gmail, Outlook, Aruba, Fastmail) could be a risk for our democracy. For instance, who decide how Spam is managed (i.e. what could be a Spam email)? Can we trust big providers? Email …
Pybash
The project has been renamed into “runif”. This page left only for Google Search happiness. Pybash is a python library to make python script as easy as in Bourne Again Shell (Bash). Bash scripting is very easy to setup. So we end up using it all the time for simple procedural script. Sometimes is it …
About 6502 emulator
I’d like to point you to this blog article about “cycle stepped” 6502 emulator. It is well described and can be a neat read for xmas vacation. Also author’s main project is all about A toolbox of 8-bit chip-emulators, helper code and complete embeddable system emulators in dependency-free C headers (a subset of C99 that …