How to get the SHA512 sum of a string using Python
If you need to get the SHA512 sum of a string using Python, then you can do the following.
Step 1
Firstly, we need to use the hashlib module:
import …Technical Articles
In-depth guides, insights, and best practices for modern software engineering
How to get the SHA256 sum of a string using Python
If you need to get the SHA256 sum of a string using Python, then you can do the following.
Step 1
Firstly, we need to use the hashlib module:
import …How to get the MD5 sum of a string using Python
If you need to get the MD5 sum of a string using Python, then you can do the following.
Step 1
Firstly, we need to use the hashlib module:
import …[Solved] TypeError: datetime Not JSON Serializable
If you get the following error in Python:
TypeError: Object of type datetime is not JSON serializable
..then you can solve it by using this trick: …
Read Article →Microservices Monitoring and Observability
Build comprehensive monitoring.
Understanding Microservices Observability
The Observability Challenge
Why monitoring microservices is fundamentally …
Read Article →How to Return a List of All AWS Lambda Function Names in CLI
If you would like to list all AWS Lambda Function Names in your CLI using the AWS CLI, then you can do this:
Get a List of all Lambda Functions
aws …How much faster is Python code?
The speed of Python code compared to other programming languages depends on a variety of factors, such as the specific task being performed, the …
Read Article →Containerization Best Practices for DevOps
Master containerization strategies.
Container Fundamentals and Docker Basics
Containers transformed how I think about application deployment. After …
Read Article →Zip & Encode Dict to String & Back in Python
If you have a Python dictionary, and want to encode it as a string and zip it to save space, perhaps for passing a dictionary through as an …
Read Article →MLOps Best Practices: Operationalizing Machine Learning at Scale
Comprehensive guide to MLOps covering model development.
MLOps Fundamentals
The ML Lifecycle
Understanding the end-to-end machine learning process:
ML …
Read Article →What Categories of Websites are there?
There are many different categories of websites, but here are some of the most common:
-
E-commerce websites: These websites sell products or services …
How to Generate a Random Number between 2 numbers in Python
If you need to generate a random number between two (2) numbers in Python, then you can make use of the random module.
First, import the module: …
Read Article →How to Install AWS SAM CLI on Mac
If you need to install AWS SAM CLI on a Mac, then the easiest option is to use Homebrew with the following commands:
brew tap aws/tap
brew install …How to count the amount of rows in MariaDB fast
If you need to find the fastest way to count the number of rows in a massive MariaDB, or MySQL table, then you can do the following instead of …
Read Article →How to find the Product of Consecutive Fib Numbers in Python
0, 0, 1, 0, 2, 0, 2, 2, 1, 6, 0, 5, 0, 2, 6, 5, 4, 0, 5, 3, 0, 3, …
This is the Van Eck’s Sequence.
Let’s go through it step by step.
Term …
Read Article →How to Solve Van Eck's Sequence in Python
0, 0, 1, 0, 2, 0, 2, 2, 1, 6, 0, 5, 0, 2, 6, 5, 4, 0, 5, 3, 0, 3, …
This is the Van Eck’s Sequence.
Let’s go through it step by step.
Term …
Read Article →How to Solve: Help the Bookseller Challenge in Python
A bookseller has lots of books classified in 26 categories labeled A, B, … Z. Each book has a code c of 3, 4, 5 or more characters. The 1st …
Read Article →How to solve AWS MediaPackage PackagingGroup Quota Limit
If you are using AWS Elemental MediaPackage and hit the following error, then you need to either do one of the following:
Read Article →
Error: error waiting for …
How to Run Cdk Bootstrap
To bootstrap an AWS CDK environment, you simply need to do the following:
npx aws-cdk bootstrap
…for each environment that you would like the …
Read Article →How to Get Account Number from AWS Lambda
If you need to get the current Account Number, or Account ID from within a Lambda execution, then you can access invoked_function_arn from the context …
Building Resilient Distributed Systems
Learn fault tolerance patterns.
Understanding Distributed Systems Failures
Failure Modes and Models
Recognizing what can go wrong:
Common Failure …
Read Article →Summary of the Frequently Used AWS STS API calls
AssumeRole – is useful for allowing existing IAM users to access AWS resources that they don’t already have access to. For example, the user might …
Read Article →Understanding Locking and Conditional Writes in AWS DynamoDB
Optimistic locking is a strategy to ensure that the client-side item that you are updating (or deleting) is the same as the item in DynamoDB. …
Read Article →AWS CodeDeploy Deployment Type Options
CodeDeploy provides two (2) deployment type options:
Option 1 – In-place Deployment
In-place deployment: The application on each instance in the …
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