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Message Broker / Stream Processing Cheatsheet

Cheat Sheets

Stream Processing a broker between producers and consumers broker deals with TCP/UDP connection...

Updated 9 months ago by Admin

K8S Interview Questions

Cheat Sheets DevOps

Explain Kubernetes Architecture API server, controller manager, scheduler, etcd kubelet, kube-pr...

Updated 9 months ago by Admin

Apache Flink

Cheat Sheets Message Queues / Stream Processing

Stream Processing Frameworks Key Use Cases: Real-time analytics: Fraud detection, anomaly detec...

Updated 9 months ago by Admin

CI/CD

Cheat Sheets DevOps

What is CI/CD? Continous Integration and Continouse Delivery an automated workflow that simplifi...

Updated 9 months ago by Admin

Nginx Cheatsheet

Cheat Sheets

Configuration files /etc/nginx/nginx.conf /etc/nginx/sites-available/* /etc/nginx/sites-ena...

Updated 9 months ago by Admin

Proto3 CheatSheet

Cheat Sheets

Why Protocol Buffers? Protocol buffers are Google's language-independent, platform-independent, ...

Updated 9 months ago by Admin

Golang CheatSheet

Cheat Sheets

Zero Values integer: 0 float: 0.0 boolean: false strings: "" channel, map, slice, pointer, f...

Updated 9 months ago by Admin

OpenAPI V3.0 Syntax CheatSheet

Cheat Sheets

OpenApi 3.0 specification in Yaml format contents can be written in separate files, and reference...

Updated 9 months ago by Admin

Markdown CheatSheet

Cheat Sheets

Basic Syntax These are the elements outlined in John Gruber’s original design document. All Markd...

Updated 9 months ago by Admin

Javascript Advanced

Cheat Sheets

The + Operator converting the given expression to a number +(new Date()) // 1593565210654 +tru...

Updated 9 months ago by Admin

Cassandra Cheatsheet

Cheat Sheets Database

ref: Jordan Key characteristics WideColumnStore Eventual Consistency Tunable ACID LSM Tree Index...

Updated 9 months ago by Admin

Fundamentals

Cheat Sheets Message Queues / Stream Processing

Push Type Message Queue optimized for latency messages are pushed out as soon as they arrive ...

Updated 9 months ago by Admin

Network Protocols

Cheat Sheets System Design

HTTP, WebSocket, gRPC, WebRTC original post: GetStream Communication Protocol? a protocol is ...

Updated 9 months ago by Admin

Trees

Cheat Sheets DSA

Types of trees Binary Tree Binary Search Tree left child < node < right value AVL Tree se...

Updated 9 months ago by Admin

Definitions

Cheat Sheets DSA

Bloom Filter Searching for a key in a cache system might take a long time in a LSM tree because ...

Updated 9 months ago by Admin

Regex

Cheat Sheets Fundamentals

// Character class [xyz] => matches one of [x,y,z] [a-c] => matches one of [a,b,c] // Negated ch...

Updated 9 months ago by Admin

Mutex

Cheat Sheets Fundamentals

What is it mutual exclusion a synchronization primitive used in concurrent programming to ensure...

Updated 9 months ago by Admin

Setting up a Redis-Cluster in Kubernetes

Cheat Sheets Configuration Notes

Updated 9 months ago by Admin

Git

Cheat Sheets Fundamentals

Dev developing procedure checkout a new branch called "feature_branch" make modifications commit...

Updated 9 months ago by Admin

Strings

Cheat Sheets DSA

ZList: def buildZList(s: str) -> List[int]: """ Used in pattern matching: buildZList(need...

Updated 9 months ago by Admin