An overview of the major version update from Haxe 3 to Haxe 4: New function syntaxes, null-safey, unicode, final keyword, interpreter rewrite (eval), HashLink VM, call-site inlining, inline markup… and more!

Let's explore the Bitcoin protocol by building a Bitcoin client from scratch, one that connects with other Bitcoin nodes and accesses data stored on the chain of blocks. I will introduce relevant concepts (such as tx, utxo, block, address, op-code) as we implement the components. To add to the fun, we'll trying doing this in a safe systems language, Rust.

If you are new to the idea of JAMStack, GatsbyJS would be absolutely one of the easiest way to start the JAMStack Project. Using GatsbyJS, developers can enjoy the modern web tech without headache. The ecosystem of GatsbyJS is so awesome, you can easily install the plugins, try a different starter.

React, Webpack, GraphQL, Babel are all set up and can be easily configured. If you would like to build a 10x faster website while using less bandwidth (static files), than GatsbyJS should be one of your considerations.

Using Haxe as a replacement for PHP language on PHP server. Benefits, flaws, implementation details. Interoperation between Haxe and PHP. Code sharing between client and server.

NAVER (since 1999) started out as a search engine, became South Korea's largest one, and is now a well-known global ICT brand providing services such as Naver Pay, Cryptocurrency (LINK), LINE messenger, SNOW, V Live, NAVER WEBTOON and more...

Pinpoint is currently one of the most used APM around the globe. NAVER is using Pinpoint to monitor most of the service applications.

This talk will cover why we've started developing an APM(Pinpoint) rather than buying one and eventually Open-Sourced it.

We will share some experiences on trouble shooting using Pinpoint.

This is new stack, with old patterns. It adopts both Reactive pattern, and CQRS-Event-sourcing, to build full-stack blockchain application. It lifts the conventional Hyperledger Fabric application, to next level of decentralisation. At the same time, it easily fulfils the GDPR, and data residency requirement, for building cross-border blockchain consortium.

There are 8 categories in securing Database - starting with general risks
and concluding with Enterprise features.

1. Password
2. Anonymous account and `test` database
3. Account and Privileges
4. Secure Connection and anti-Brute force attach
5. Monitoring system variables
6. Filesystem
7. Encryption
8. Enterprise level security configuration

Does your database need to 99.999% high availability? Is it possible to linearly scale database capacity and throughput to accommodating the surge number of user?

Does your database need to reply queries in microseconds consistently event it is in peak time?

MySQL powers many of the world’s largest and fastest-growing organizations.

In this session, you will get more practical, safe and efficient ways to optimize the MySQL database performance; gain tips and tricks and best practices to optimally architect the MySQL database; find bottlenecks and learn how to properly configure the database appropriately for your efficient database.