What is RPC? gRPC Introduction.
gRPC is Google’s open‑source RPC framework that couples strongly‑typed Protocol Buffers with HTTP/2 to deliver high‑performance, language‑agnostic inter‑service communication. It excels for microserv…
Recent posts
What Is GraphQL? REST vs. GraphQL
GraphQL is a schema‑driven query language that lets clients request exactly the data they need, potentially aggregating multiple backend resources in a single request. It trades the simplicity and ca…
Proxy vs Reverse Proxy (Real-world Examples)
A forward proxy mediates client‑to‑Internet traffic, while a reverse proxy mediates Internet‑to‑server traffic. Reverse proxies add security, load‑balancing, caching, and SSL termination, oft…
Latency Numbers Programmer Should Know: Crash Course System Design #1
This video walks through a curated list of common latency numbers grouped by order of magnitude—from sub-nanosecond CPU register access up to multi-second network transfers—emphasizing that understan…
What Is REST API? Examples And How To Use It: Crash Course System Design #3
REST (REpresentational State Transfer) is a set of architectural conventions—not a formal specification—that has dominated web API design since the early 2000s. It organizes resources behind unique U…
Big Misconceptions about Bare Metal, Virtual Machines, and Containers
Bare metal offers maximum performance and isolation but is costly and hard to scale; virtual machines provide flexible sizing and better utilization with moderate isolation; containers give the highe…
System Design: Why is Kafka fast?
Kafka’s speed comes from two core design choices: using an append‑only log to guarantee sequential disk I/O, and leveraging the zero‑copy system‑call path (e.g., sendfile()) to move data fr…
Deep Learning Applications in Computer Vision
Deep Learning / Computer Vision /
Deep Learning Performance Improvement 4 - Back-propagation
Back-propagation / Forward-propagation / Machine Learning Performance Improvement
Deep Learning Performance Improvement 3 - Regularization
Penalizing Regularization (L1 and L2) / Dropout / Machine Learning Performance Improvement
Deep Learning Performance Improvement 2 - Optimizer
Optimizer / Gradient Descent / Stochastic Gradient Descent / Momentum / Adam / Machine Learning Performance Improvement
Deep Learning Performance Improvement 1 - Parameter Initialization
Parameter Initialization / Weight Initialization / Machine Learning Performance Improvement
Database System and SQL
SQL / Personal Relational Database Query Project
Data Matching (Recordlinkage and Fuzzymatcher)
Record Liking and Fuzzy Matching
Data Crawling with Scrapy
Scrapy / Web / Data Crawling