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Notizen aus der
Projektpraxis.
58 Artikel zu SAP, Cloud, Kubernetes, Zertifikaten und Entwicklung — entstanden aus konkreten Problemen in echten Projekten.
SAP BTP Cockpit: Konfiguration und Administration
Praxis-Guide für das SAP BTP Cockpit: Global Account, Subaccounts, Entitlements, Cloud Foundry Spaces, Destinations, Rollen und Kosten, Schritt für Schritt.
· 12 Min. Lesezeit
ALLE ARTIKEL
SAP· 11 Min. Lesezeit
Entwickeln einer App / Grundlagen der SAP Business Technology Platform (SAP BTP)
Die SAP Business Technology Platform, kurz SAP BTP, ist die technologische Grundlage für die Entwicklung, Erweiterung, Integration und den…
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SECURITY· 1 Min. Lesezeit
Understanding TLS and mTLS Certificates
This is article is primarily to help you understand the difference between TLS and mTLS certificate authentication.
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ENGINEERING· 2 Min. Lesezeit
Understanding API Proxies and Gateways: Navigating Forward and Reverse Proxies in Your Network
First, let’s explain why we use a proxy. Usually, an API proxy sits between the client and several APIs. It acts as a single access point…
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SAP· 6 Min. Lesezeit
Einführung in SAP BW 7.5 oder BW on Hana.
Dieser Artikel beinhaltet alle wichtigen eigenschaften wie die Datenmodelierung, Datenbereitstellung und das Reporting im SAP BW abläuft.
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SAP· 4 Min. Lesezeit
Essentials and Introduction into SAP FICO
This article is for everyone, who wants to prepare for an SAP Technical Interview. The Questions are focused on SAP FICO. Of cause this…
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ENGINEERING· 2 Min. Lesezeit
How to run macOs 10.14 High Sierra on Mac M1 arm silicon (macOS Monterey 12.2)
First, this article is for everyone, who want to emulate run an old intel compatible program on Mac Silicon ARM. This can be the Mac M1 or…
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ENGINEERING· 4 Min. Lesezeit
Top Web Fonts of 2023: Elevate Your Design Game
A curated list of the best web fonts to make your website stand out in 2023
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DEVELOPMENT· 4 Min. Lesezeit
Simplify Your Python Workflow with Anaconda
Install and use Anaconda commands for your python project. Also we are going to talk about exporting and importing a yml file with its…
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DEVELOPMENT· 3 Min. Lesezeit
Installation AutoGPT on Mac M1
All other tutorials did not work for me soo I started at the beginning and wrote my own. Therefore this article is intended for people, who…
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DEVELOPMENT· 4 Min. Lesezeit
Job Interview Questions Senior React.JS Developer
This Article is for people, who need to prepare for a technical interview as a React.JS Senior developer position. Also the article is for…
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DEVELOPMENT· 4 Min. Lesezeit
Master LaTeX Bar Charts: Convert Existing Diagrams or Create New Ones with ChatGPT
This article is to convert an existent diagram or create a new latex bar chart diagram with ChatGPT. Also we are going to talk about the…
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CLOUD NATIVE· 2 Min. Lesezeit
Replace ImageMagick policy Or fix Error: “convert-im6.q16:
This article is for everyone who wants to change their policy of ImageMagick on Linux. First lets check the current policy run the…
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ENGINEERING· 5 Min. Lesezeit
Job Interview Question Senior Java:
When i was a young developer and applied for jobs I had a few job interviews where they asked about my skills in programming java…
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ENGINEERING· 1 Min. Lesezeit
Mac / Linux Terminal Switch between or change your Java Version for a session.
This article is for people, who want to change their java version of a temporary terminal session. That means if you close the terminal…
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DEVELOPMENT· 2 Min. Lesezeit
Install Pentaho Data Integration / Kettle on Mac OS 2022. Or also Fix Repository not shown issue.
After I faced many problems thought installing pentaho I decided to write this article to help everyone who needs to install this ETL tool.
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CLOUD NATIVE· 1 Min. Lesezeit
Kubernetes / Rancher add a new User or Member to a cluster
This article is for people who want to add a new admin or view user to there Kubernetes cluster, which you manage with Rancher. Let's get…
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ENGINEERING· 3 Min. Lesezeit
NLP Model Detect/Rate Important Sentences utilizing NLP Intent Text Classification using NLP.js
If you are interested in detecting or rating sentences in a text without relation to the complete text continue reading. This means here we…
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DEVELOPMENT· 1 Min. Lesezeit
VideoJS / Udemy play videos or movies at custom speed or faster using attribute playbackRate
The article here is for everyone, who wants to speed up the video.js player. That means if we want to place the video faster than usual…
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DEVELOPMENT· 2 Min. Lesezeit
Flutter(Dart) physical back button disable or custom action/event.
This article is for everyone who is interested in disabling the physical back button on the Android Device in a Flutter mobile application…
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CLOUD NATIVE· 1 Min. Lesezeit
Problem DataBase PostgreSQL Hight Availability Postgres HA Issues
This article is to summarize some problems and solutions in the context of PostgresSQL HA. In my setup, I’m using the database on a…
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DEVELOPMENT· 1 Min. Lesezeit
Dart Flutter export share JSON file or any file you like.
This article explains how to export a text content, json list or object in an flutter application to the device. See the following image…
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DEVELOPMENT· 1 Min. Lesezeit
Dart / Flutter JSON Object to String
This article is to show you the basic operations to convert JSON objects in dart flutter.
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ENGINEERING· 1 Min. Lesezeit
PostgreSQL Database Change User Password
For changing the user password in a PostgreSQL database you need to execute the following command:
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CLOUD NATIVE· 3 Min. Lesezeit
Any Website Build a Mac, Linux and Windows desktop application with using nativefier.
This article is for everyone who wants to build a desktop app from a website. The following steps only include the procedure to build a web…
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ENGINEERING· 1 Min. Lesezeit
Webflow add Calendly popup to a text or button.
This article is for everyone, who wishes to include Calendly into there Webflow website. The following steps are required to add calendly…
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CLOUD· 3 Min. Lesezeit
CI/CD for Google Cloud Build and Cloud Compute Engine
This article is about building a CI or CD pipeline with only a Github repo, Cloud Build and pushing the image to a Google Cloud Compute…
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SECURITY· 1 Min. Lesezeit
Fix Keycloak Script Upload Is Disabled. How to export / import / backup your realm configuration.
Problem: “[org.keycloak.services.error.KeycloakErrorHandler] (default task-10) Uncaught server error: java.lang.RuntimeException: Script…
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ENGINEERING· 2 Min. Lesezeit
NodeJS Concatenate streams / NodeJs add Audio to Video stream / NodeJS Merge multiple streams
This article is for please how need to merge multiple streams together. My case was that I had two streams a video and audio. In my…
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ENGINEERING· 1 Min. Lesezeit
How to set sequence to value?, How to sequence set current value? In SQL / Postgresql
In this article I will explain how to set a sequence to a specific value. This comes into handy when we want to restore a database and…
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CLOUD NATIVE· 3 Min. Lesezeit
Create a ClusterIssuer for Let’s Encrypt with an ISRG Root X1 trust chain.
This article is for people who want to create a Let’s Encrypt certificate with an issuer or want to create an ingress load balancer with an…
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CLOUD NATIVE· 1 Min. Lesezeit
Kubernetes SSL Certificate Issue: “certificate resource is not owned by this ingress.
Lösung für den cert-manager-Fehler certificate resource is not owned by this ingress beim Aktualisieren von Zertifikaten.
LESEN· 1 Min. Lesezeit
SAP ABAP show / view a table. Using ALV
Use the following code to view a table inside of an ABAP program.
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SAP· 2 Min. Lesezeit
In ABAP Make an API HTTP Request. / ABAP HTTP Request
This article is about make an HTTP request inside of an ABAP program.
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SAP· 1 Min. Lesezeit
Debugging SAP ABAP Trace HTTP requests and SSL Certification Issues
Step by step guide to trace HTTP request issues inside ABAP.
LESEN· 1 Min. Lesezeit
SAP ABAP Basic table insert / ABAP code to insert a line or row into a table.
Find here a basic code to insert values into a row of a table. For the explanation:
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SAP· 1 Min. Lesezeit
SAP ERP Kurzbefehle/ Codes Transaktionen:
This article is for people looking for an overview of transaction codes or short cuts for the ABAP SAP environment or better call it SAP…
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CLOUD NATIVE· 2 Min. Lesezeit
Kubernetes Test Cert Manager Creating Let’s Encrypt Certificate
This article is for people who are having troubles / issues with issuing certificates on a Kubernetes cluster. Before we start we should…
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ENGINEERING· 2 Min. Lesezeit
Puppeteer saves cookies and load/read cookies. #How to save a login of a page with puppeteer.
This article is covering the topic of saving and loading a session. Or better saving the cookies after login and reloading the cookies…
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CLOUD NATIVE· 1 Min. Lesezeit
Kubernetes / Rancher Troubleshooting TLS Certificates.
Debugging von TLS-Zertifikaten in Rancher und Kubernetes: kubectl-Befehle für Ingress, ClusterIssuer und Certificates.
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DEVELOPMENT· 1 Min. Lesezeit
Strapi Issue “Error while running command develop: Could not load js config file…
Lösung für den Strapi-Fehler Could not load js config file beim Start von develop, verursacht durch fehlende Env-Variablen.
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DEVELOPMENT· 1 Min. Lesezeit
Decode JDBC URLs
If you are seeking to get a username, password, database, port, host out of the JDBC URL this article is the right one for you.
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CLOUD· 2 Min. Lesezeit
Cloud Run Problems with background tasks and CPU allocation.
If you have problems regarding background tasks/processes being not executed after an API Request.
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CLOUD NATIVE· 1 Min. Lesezeit
Cloud Build with Docker and Dockerfile using dynamic environment variables
For using enviroment variable inside of a build process with cloud build can be challenging. Therefore I provided you with an example how…
LESEN· 1 Min. Lesezeit
Docker issue on Container: “Error: ENOSPC: no space left on device”
Ursachen und Lösung für den Docker-Fehler ENOSPC: no space left on device, inklusive Aufräumen von Images und Volumes.
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CLOUD NATIVE· 1 Min. Lesezeit
GCloud Deployment Issues with Gloud Run and Cloud Build “Container terminated due to sandbox error.”
If you are running in the problem of “Container terminated due to sandbox error.”. There are a few problems, which can go wrong but what…
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BUSINESS· 1 Min. Lesezeit
Best WebFlow UIKits Templates
Here is a summary and collection of the most interesting templates for a SaaS Software product. Please have a look at each of them. My…
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SECURITY· 1 Min. Lesezeit
Linux CentOs add a SSL certificate to trusted certificates
The problem is that we want to communicate with a server over ssl witch does not provide a vailed ssl certificate. The returned certificate…
LESEN· 1 Min. Lesezeit
AT Commands for communicating with a Modem / Phone / Telecommunication device
When you want to communicate with a SIM Card over AT Commands this blog article is the right choice. Here you will find important AT…
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DEVELOPMENT· 1 Min. Lesezeit
JavaScript / JS D3 Object Detection Example
JavaScript D3 Object Detection Bounding Box Draw Example The following example is giving to draw bounding boxes for the Object Detection of…
LESEN· 1 Min. Lesezeit
Java Apache httpclient interceptor for Spring MVC Configuration
If you want to add an HTTP interceptor with the Spring MVC Configuration this is just the right code for you.
LESEN· 1 Min. Lesezeit
Java Apache httpclient authentication for IBM FHIR
Just a few days ago I had the task of implementing or adding the basic authentication for the IBM FHIR server that was already implemented…
LESEN· 2 Min. Lesezeit
Wichtige Mac Terminal commands:
Häufig benötigte Terminal-Befehle unter macOS: Dateien zusammenführen, Textstrings ersetzen, Suche und Dateiverwaltung.
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DEVELOPMENT· 2 Min. Lesezeit
Raspberry pi python NEO 6M GPS module
Python script for the NEO-6M GPS module on the Raspberry Pi
LESEN· 1 Min. Lesezeit
Kubernets / Rancher kubctl Important Commands / Terminal
Wichtige kubectl-Befehle für Rancher und Kubernetes: Ressourcen anzeigen, in Pods wechseln, Namespaces und Logs prüfen.
LESEN· 1 Min. Lesezeit
Fundraising / Finanzierungsrunde StartUps
Um einen passenden Investor zu finden kann in zwei Bereiche aufgeteilt werden. Um den Kontakt herzustellen empfehle ich die folgenden…
LESEN· 2 Min. Lesezeit
Best Software Tools you should know about!
Übersicht über API-Typen, Infrastructure-as-a-Service-Anbieter und Entwickler-Tools für den täglichen Einsatz.
LESEN· 1 Min. Lesezeit
Best Software Tools for StartUp’s you should know about!
Sammlung erprobter Software-Tools für Startups: Design, Hosting, Analytics, Automatisierung und Projektorganisation.
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