Beginner

This entertaining presentation introduces the FreeBSD operating system and the community that produces it. FreeBSD is an advanced computer operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

Random number generation is common in various fields. Unfortunately, it is easy to be done wrongly, leading to inaccurate output or even security compromise. This talk aims on giving out a few case studies on using random numbers, e.g. how rand() in glibc fails when doing simulation, what should be cared for random numbers used in blockchain and cryptography, etc.

In order to strength of open source community development, in the 20 minutes, Sammy will give a short report about works of Open Source Hong Kong in 2018/2019. And then he will share his idea what will he and Open Source Hong Kong look forward in 2019/2020.

Mozilla Internet Health Report (https://internethealthreport.org) is an annual report talk about what’s helping and what’s hurting the internet. It discuss different aspect of Internet, from personal experience to global concerns. In last year's report, we discuss issues from privacy of IoT to domination of Social Network. In the talk, I will introducing and sharing the best stories from this year's latest report.

How to maxmise the SEO ability in WordPress with Google Search Console.

The value of data is not a new thing, whether in business or in warfare.

Either the goal of precision marketing or the material collection for machine learning,
their intentions can be shorten into one word: data, the oil in the digital era.

Not surprisingly, data storage and marketplace turn into new challenges.In this session, we'll introduce an innovative type of data marketplace platform with distributed legder technology (DLT) to transform data into profits with better trust basic.

For ethereum, 2016 might be a tough year, the DAO has been stolen 3.6 million ETH, equivalent of $70 million at that time, due to improper contract design. As a result, more and more automatic verification tool for smart contract come out to prevent potentially huge financial loss.

Today, we will be looking at how formal verification tools work on smart contract, how can we use mathematical proof to ensure the quality of program.

The normal people who doesn't coding could promote Open Source projects or campaigns.We can do my best. People will know what is Open Source and its spirit by the public relation plan. Companies will know how to use Open Source upgrading their software by sponsor Open Source compaigns.

I will introduce to Rust, including the principles, the traits, and the current state of the Rust community. After that, I am going to talk about how to build a minimal DBMS from scratch - the StellarSQL project. In this talk, the following is covered. What is a DBMS? What is the architecture of the DBMS? What is the progress in developing the project? What are the existed resources in the community that I use for the developing? The speech would manifest that developing a small DBMS is fascinating and Rust is cool and powerful.

A smart flower atlas, built on open source image recognition systems,
powered by advanced Artificial Intelligence (AI) and Augmented Reality (AR) technologies.

We’ve done real-time identification mobile apps on iOS and Android,
without ever taking a picture. We continue to collaborate with
specialists to improve the system.

This project won 2018 g0v Civic Tech Grant. Landing page:
https://plant-tw.github.io