As a content creator, you sometimes forget where you have downloaded your YouTube video thumbnail and need to retrieve a high-resolution copy. If you won’t want to rely on 3rd party websites, here is how to do it. No tools are required.

Step 1: Getting the video id


I know that some of you are not using Postman at its full potential and this is sometimes due to a lack of experience with JavaScript.

If you are getting this error message when trying to import an older Postman collection, I will show you what to do.

One of the most common issues while getting started with Git and GitHub is setting up the SSH private and public keys. On top of this, Git password authentication is no longer available on GitHub.

Background Permission denied (publickey,keyboard-interactive). fatal: Could not read from remote repository.

What is SSH?

AWS Elastic Beanstalk allows you to deploy on different platforms including Java, Python, PHP, and a few others. But this tutorial focuses on deploying a single Docker container web application. The focus is on automating the deployment process by using AWS CLI from any CI/CD server, like Jenkins, GitLab CI, or CircleCI.

  • define the Dockerfile and build the Docker image
  • publish the Docker image to AWS ECR (the AWS Docker registry)
  • define a and upload it to S3
  • create a new Elastic Beanstalk application version and update the environment

For a long time, working with SOAP in Postman was not natively supported and you had to create all requests from scratch or copy-paste them from SoapUI. Now you can import a WSDL file in Postman and autogenerate a Postman collection. Let me show you how.

Step 1: Get the URL of the WSDL file

The WSDL file is available by appending the query parameter ?WSDL to the URL.

Step 2: Importing the WSDL file in Postman

Are you testing a Websocket API and are wondering if Postman can help you with this? Yes, sort of. Let’s explore together what Postman can and can’t do in terms of working with WebSocket APIs.

A very brief history

So what are async APIs?

In this short tutorial, I will quickly go over building a GitLab CI pipeline that can upload a file (an artifact) or an entire folder to AWS S3.

How to use the AWS CLI v2

upload to s3:
name: amazon/aws-cli
entrypoint: [""]
- aws --version

Getting the AWS credentials

You don’t have to rely on the infrastructure to run your GitLab CI pipelines. Let me show you how to set up a GitLab CI Runner on a Raspberry Pi 4.

Basic Raspberry Pi setup

If you are managing a public GitLab project where users can request access, constantly accepting new requests can be time-consuming. I would like to show you how to automate this process using Postman and the GitLab API.

Access requests in GitLab

How to use the GitLab REST API

The workflow (manual)

Get new access requests

Valentin Despa

Software developer and online instructor. Imprint:

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