PHP development @phpid - Tumblr Blog

I've got a challenge for you. The next time you start a new project, try *not* using a PHP framework.

An ultimate guide to understand Node.js

Latency Numbers Every Programmer Should Know.

L1 cache reference ......................... 0.5 ns Branch mispredict ............................ 5 ns L2 cache reference ........................... 7 ns Mutex lock/unlock ........................... 25 ns Main memory reference ...................... 100 ns Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20 µs SSD random read ........................ 150,000 ns = 150 µs Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs Round trip within same datacenter ...... 500,000 ns = 0.5 ms Read 1 MB sequentially from SSD* ..... 1,000,000 ns = 1 ms Disk seek ........................... 10,000,000 ns = 10 ms Read 1 MB sequentially from disk .... 20,000,000 ns = 20 ms Send packet CA->Netherlands->CA .... 150,000,000 ns = 150 ms

#latency #performance

A beginner’s guide to understanding the inner workings of Deep Learning

#machine learning #deep learning #neural network #python

The ultimate 3500-word guide in plain English to understand Blockchain.

#blockchain #tutorial

A brief description of best practices.

#cryptography

Graph theory represents one of the most important and interesting areas in computer science. But at the same time it’s one of the most…

#programming #algorithm #graph theory

Have you ever wondered how shazam works ? In this in-depth post I explain the mechanisms behind shazam.

Comprehensive guide about music recognition and signal processing, including algorithms and schemas.

#music #web architecture #algorithms #signal processing

Learn to build and deploy your distributed applications easily to the cloud with Docker

#docker #virtualization #deployment #software development

Rick Reed in an upcoming talk in March titled That's 'Billion' with a 'B': Scaling to the next ...

#highload #webarchitecture #programming

A comprehensive introduction to the simplest programming task.

#programming #interview

This post started as the preparation material we send to our candidates, but we decided to post it publicly. Being a good programmer has a surprisingly small role in passing programming...

#interview #proramming #coding #computer science #algorithms

This is #1 in a very long series of posts on Stack Overflow’s architecture. Welcome.To get an idea of what all of this stuff “does,” let me start off with ...

#web architecture #highload

Design and overview of high-performance bootstrap launcher in conjunction with event-driven, non-blocking I/O ReactPHP.

Web security slides.

#security #web development

Today, we are happy to announce FastCGI support for HHVM. FastCGI is a popular protocol for communication between an application server (e.g. running your PHP code) and a webserver. With support for FastCGI, you will be able to run HHVM behind any popular web server (Apache, Nginx, Lighttpd, etc).

#php #hhvm #fastcgi

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