@rkenmi - Home

Bloom Filter

A set data structure uses a hashing function to store values and to verify if a value exists. Bloom filters are similar in that it uses multiple hashing functions to store values and to verify if a value exists.

October 14, 2019

algorithmshash tablebloom filtersdata structures

Add SSL certificates to a website

Having a SSL certificate will enforce visitors to connect to a website via the HTTPS protocol, which runs on port 443. The server and the visitor will communicate and transmit encrypted data under this protocol.

July 5, 2019

httpssslcertificates

Stack Memory vs. Heap Memory

Stack Memory The stack memory is used within a context of a thread. It is called stack memory since memory blocks are allocated in LIFO order, based on the function call stack. Each stack memory block houses data for local variables, references, and other bookkeeping data.

May 28, 2019

Computer Sciencememory addressmemorystackheap

Math Formulas for C.S.

Sum of the first \(n\) integers \(1 + 2 + 3 + ... + n = \) $$\sum_{k=1}^n k = \frac{1}{2}n(n+1)$$ Use cases: Finding a missing number from \(1 ... n\) Sum of the squares of the first \(n\) integers \(1^2 + 2^2 + 3^2 + .

May 27, 2019

Computer Sciencewikimathformula

AWS Lambda and other Maven projects

Background AWS Lambda is a FaaS (Function as a service) that is event-driven and serverless. It is termed event-driven due to how AWS Lambda functions are invoked - the event that triggers a AWS Lambda function can be of many different types in the AWS realm.

April 22, 2019

JavaAWSMavenFaaScloud computingdev opsAWS LambdaAWS SAM