Resources

Jq

Count elements with certain criteria

Safe

Enterprise strategy

Scrum

Estimation This is a helpful table for estimate stories. If you don’t have a reference story, or other strategy to estimate a story just go through this tabl...

Avro

Backward compatibility Allows the consumer code to use a new version of a schema and process messages with an old version of the schema. Allows the followin...

Azure Cli

Use az in a company with SSL inspection If you see this:

Bash

variables STR="Hello World!" echo $STR echo ${STR}

Ssl Inspection

SSL Inspection SSL inspection (Man in the middle) is a technique used to intercept and analyze encrypted SSL/TLS traffic between a client and a server. This...

Cmd

Set and read variables Set: set variablename=thatsaname Read: %variablename%

Mssqlms

Run When you select at least one character and press F5, only the selection is run.

Oracle No Sql

Export import a table into json and vice versa Export get table -name member -file fulldata.member.json;

Sqllite

Persist data Its is normal for a small project to start with an in-memory storage. The next evolution-step would be persist the data. But instead of using ...

Docker Cheatsheet

Advantages The big advantage of containers is the non existing virtualisation layer. The running application within a docker container actually runs directly...

Rancher

Switch kubernetes context kubectl config get-contexts

Backup Restore

Backup Mount same filesystem on every node Add a repository path on every node by put this into every elasticsearch.yml file: # Specifies the root ...

Elastic Search

Scaling One of the purpose of elasticsearch is to make lucene scalable. The environment where you run elasticsearch should naturally be scalable. Never let ...

Kibana

Search in Kibana You can type into the search bar something like: log.level: "ERROR" and not message: "Self registration failed"

Rolling Restart

Make a backup of the cluster stop non-essential indexing (if possible) disable shard allocation stop and update one node start the node re-enabl...

Scrolling On Es

Option - Scroll Search a. Takes a snapshot of results b. statefull c. use scroll-ID & TTL of scroll. d. Best practice is to delete the scroll and not...

Excel

Using regex in Excel Only available in preview. https://techcommunity.microsoft.com/blog/microsoft365insiderblog/new-regular-expression-regex-functions-in-e...

Git

Git branching strategies

Gitlog

Shows git stats git log --numstat --since 01-01-2019

Gource

gource is a nice tool to visualize git history.

Pre Commit

How to install Either run pip install pre-commit Or download pyz file from https://github.com/pre-commit/pre-commit/releases and run: python %homedrive%%home...

Jekyll

Steps I did to use Jekyll on this GitHub pages following this manual:

Intellij

Quicklists To create a quicklist go to File -> settings -> Appearance & Behaviour -> Quick-Lists. Here you can create a new Quicklist like: Git ...

Rider

Skip auto format // @formatter:off some custom formatted code that should be kept as is. // @formatter:on

Jmeter

get env variable ${__BeanShell(System.getenv("customer-preference-url"))}

Kafka

what is kafka? It is realtime event-streaming platform.

Linux Cheatsheet

Gives info about the file system df -h . Lists all disks any their usages. Give a great overview about your used diskspace

Openstreet Map

OpenStreetMap editors I am using Vespucci on my android and ID for browser. I am still not sure if I should go the JOSM path as it looks like a very complica...

Outlook

Search Press F4 to search within an email in front of you. Ctrl+f is reserved for forwarding the mail.

Postman

Collections The Highest logical container for grouping stuff. You can share/import/export a collection.

Renovate

Run renovate locally cd into the directory where config.js is located and run: ```

Soap Ui

Troubleshooting Import open api specification into SOAPUI If you don’t see the Project -> Import swagger menu: The soapui-swagger-plugin-2.2-dist.jar is s...

Gdpr

GDRP = DSGVO (Datenschutz Grundverordnung)

Explaining Cruft

Cruft and technical debts This is a presentation to explain the business how important built-in quality is. It is copied from: Source presentation

Getting Things Done

GTD Thats the official book by David Allen. It helps to organize all the small tasks which are getting thrown at you.

Insurance

Glossary GWP (Gross written premium) The total premium on insurance underwritten by an insurer or reinsurer during a specified period, before deduction of re...

Malware

Malware is the overall name and can be split into:

Microsoft Certificates

Points Every correct answer/choice will give points. Worst thing to do is to not answer a question. There are no “minus points”.

PARA Communication Framework

The PARA method is a simple framework for structured, engaging conversations. It keeps you focused and invites the other person to participate.

Severity One

I was in some situations where things got wrong and a lot of people were affected. Some key takeaways from those situations:

Sla Slo Sli

sla -> service level agreement -> Contractually agreement with an external consumer of your system.

Soft Skills

Time Calendar If you want to create a meeting for only reminding purpose (like: UAT not available during this time period), or to show you are on vacation, ...

Swagger Diff

Java Swagger-Diff To compare different swagger files. This tool loads the swagger file and compares the interpreted content rather than just do a file-diff.

Veracode

VeraCode static scan Order a veracode profile and some credentials to access it Build a pipeline to build your app and send it to veracode Trigger a f...

Virtualization

Containers are like next stage of virtualization of hardware. They virtualize the operating system. Its kinda what a VM running on a physical computer is con...

Windows

Paths To get the absolute path of a file you need to shift-right click on a file and click on getPath:

Yaml

YAML is case-sensitive. Files should have the .yml extension. Spaces are used for indentation and not tabs. Comments are attributed using the # char...