API Gatewasy DynamoDB Lambda

API Gateway Custom Authorization With Lambda, DynamoDB, and CloudFormation

API Gateway provides an HTTP API endpoint that is fully configurable. You define the HTTP resources (like /user), the HTTP methods on that resources (like POST, GET, DELETE, etc.) and the integration (e.g. Lambda functions) that should be called to process the request. A Lambda function can then run whatever logic is needed to answer the request. The Lambda…

Serverless
Serverless

Serverless technologies

Provisioning, managing and patching of servers is a time-consuming task that often required dedicated operations people. A non-trivial environment is hard to set up and operate effectively. Infrastructure is an important component of  any IT system. The evolution of IT was from real servers to virtual machines to PasS (Platform as a service) and containers.…

Threads in Java
Threads in Java
interior design
interior design
Kitchen in blue
Kitchen in blue

Threads in Java

Why Threads? The notion of threading is so ingrained in Java that it’s almost impossible to write even the simplest programs in Java without creating and using threads. And many of the classes in the Java API are already threaded, so often you are using multiple threads without realizing it. Historically, threading was first exploited…

Website design and internet advertisement

Modular Development in Java 9

Modular Development and Its Impact In software engineering, modularity is an important concept. From the point of view of performance as well as maintainability, it is important to create autonomous units called modules. These modules can be tied together to make a complete system. The modules provides encapsulation where the implementation is hidden from other…