IT-meetups in Tallinn (in English)

Year: 2018 Page 3 of 5

Devclub #063 @ Von Stackelberg hotel, August 23

Agenda

Peeter Marvet

Chiropraxis PHP – let me feel the stress of your application and make it perform again

Peeter has been solving the problems of webapps that come to him with the usual diagnosis “server is slow” – and it is almost never the server that is slow. What are the signs of lazy code, depending too much on external services, not-very-intelligent db architecture choices and other common faults that take websites down? Examples are mostly from PHP+MySQL world, but the problems are presumably same everywhere.

Ervin Weber

Hacking on emails

Let’s talk about how and where emails go and how to alter it. Let’s talk about spamming the right way. Toggl have grown big, like “We send over 1M emails a month” big. The talk will cover what needed to be fixed along the way and what needed to be learned.

VIDEO: Reverse engineering basics — Kirils Solovjovs

VIDEO: Mobile text recognition from image — Misha Beshkin

Devclub #062 photos

Devclub #062 @ Von Stackelberg Hotel, July 10

This month we’re back at Von Stackelberg’s with topics on security, reverse engineering, image recognition and text analysis.

Agenda

Reverse engineering basics

Kirils Solovjovs
IT security expert (Possible Security, LV)

Kirils will do introduction to reverse engineering and the basic principles of it.

Mobile text recognition from image

Misha Beshkin
Founder (KosherDev)

The project I founded some time ago uses text recognition from image. So, I decided to share some ideas about my experiments with various services. Lecture includes real Android code with running through emulator to check the text recognition from image.

VIDEO: Text analysis: from pre-trained APIs to custom models — Sara Robinson

VIDEO: Twitter’s quest for wholly Graal — Chris Thalinger

Devclub #061 photos

Devclub #061 pre-GeekOut edition @ Topia, June 5 2018

This time we team up with GeekOut and Topia to get you the sharpest minds of the tech industry presenting their insights on what’s the hottest and freshest in tech world.

The event is kindly held at Topia, Lõõtsa 12, 12th floor.

Sara Robinson
Developer Advocate on Google’s Cloud Platform team

Text analysis: from pre-trained APIs to custom models

Most applications deal with text data in some form: from chat messages to product reviews to comments and more. Making sense of large amounts of text data manually is difficult and time consuming. Luckily, advances in natural language processing (NLP) have given us a variety of tools to help analyze text. Whether you’re new to ML or you’ve already built your own custom model, by the end of this talk you’ll know how to get started adding NLP to your own application. I’ll begin by introducing the Cloud Natural Language API, which lets you utilize a pre-trained model to get insights from your text with a single API call. Then I’ll discuss how to build a custom model trained on your own data using TensorFlow and Cloud ML Engine, with lots of live demos along the way.

Chris Thalinger
Software engineer working on Java Virtual Machines for over 13 years

Twitter’s quest for wholly Graal

Twitter is a massively distributed system with thousands of machines running thousands of JVMs. In any similar big system a small change in performance and CPU utilization is multiplied thousandfold and results in big savings. Electricity costs, cooling costs, and possibly reduction of server farm size. One way to improve Java performance and reduce CPU utilization is to simply generate better machine code. Simply is obviously not trivial but doable. Twitter is going down that road and experimenting with Graal to generate better code and reduce cost.

VIDEO: Building a culture that can survive any obstacle — Miguel Caron

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