A short tour of Java's history, from the Green Project and Oak in 1991 to Java 27 in 2026: the key releases, the move to open source, the Oracle era and modern Java.
Debajyoti Nath
In Angular 22 a parent passes data to a nested child with signal inputs, input(), and the child reports back with signal outputs, output(). With model(), viewChild() and @for.
Define Python functions: parameters, return values, defaults, *args and **kwargs, scope, docstrings, and type hints.
Secrets management, blue/green releases with automatic rollback, resilience, backups, cost control and a go-live checklist.
Conditionals and loops in Python: if/elif/else, for and while, break and continue, with FizzBuzz and a guessing game.
Lists, tuples, sets, and dictionaries in Python: how each works, when to use it, and how comprehensions help.
Structured logs, Logs Insights, the four golden signals, alarms that matter, tracing with OpenTelemetry and Prometheus on EKS.
Work with Python strings: indexing and slicing, immutability, the most useful methods, f-strings, and formatting.
Understand variables, dynamic typing, numbers, booleans, None, type conversion, and Python's arithmetic operators.
Create an EKS cluster with Terraform, deploy with probes and resource requests, package with Helm and choose between ECS and EKS.
Production-ready images, task definitions, the two IAM roles, ALB integration, safe rolling deployments and autoscaling on ECS.
Install Python, use the REPL and script files, and write your first program with print(), comments, and input().
A complete GitHub Actions pipeline that tests, builds and pushes container images to ECR with no stored AWS credentials.
To set up an Angular 22 development environment you need three things: a supported Node.js LTS runtime, the Angular CLI installed globally (npm install -g…
To build Angular 22 apps in Visual Studio Code, install Node.js LTS and the Angular CLI (npm install -g @angular/cli), scaffold a project with ng new my-app,…
Angular directives are classes that add behavior to elements in your templates, and there are three kinds: components (directives with a template), attribute…
An Angular component is a TypeScript class marked with @Component that pairs a template with logic, and a signal is a reactive value that notifies Angular…
Angular lifecycle hooks are methods Angular calls at defined moments as it creates, updates, and destroys a component. In Angular 22 the hooks you reach for…
A join in SQL Server combines rows from two or more tables based on a related column. The type of join decides which rows survive: an INNER JOIN keeps only…
To implement dependency injection in .NET Core, register your services in the built-in container (IServiceCollection) with a lifetime, then declare each…
