Next BeCPP UG Meeting Planned For October 25th, 2018

September 15, 2018 Marc Gregoire Events

The next meeting of the Belgian C++ Users Group is planned for Thursday October 25th, 2018 at 18:00 at Altran.

Altran ( http://www.altran.com/ ) is sponsoring this event by providing the location, drinks and catering.

Altran Logo

The agenda is as follows:

  • 18:00: Sandwiches.
  • 18:30: Session 1: Writing Standard Library Compliant Data Structures and Algorithms (Marc Gregoire)
    The C++ Standard Library provides a lot of data structures, but it cannot provide every possible data structure or algorithm that you might need. So, sometimes, you might find the need to write your own data structure or algorithm. Since you are writing them yourself, you could give them any interface that suits you. However, wouldn’t it be better to make them compliant with the Standard Library? That way, when you write your own algorithm, you will be able to use that algorithm independently of the type of the container that contains the data for your algorithm. Similarly, if you write a Standard Library compliant data structure, then you will be able to use Standard Library algorithms on the data in your own data structure.
    It’s clear, there are a lot of advantages in making your data structures and algorithms compliant with the Standard Library. We’ll first develop a simple algorithm with our own interface. Then we’ll look into what changes we have to make to transform the interface to be Standard Library compliant. Finally, we’ll demonstrate our adapted algorithm by running it on data in a variety of Standard Library containers.
    In the last part of the presentation we’ll crank it up a notch. We’ll start by writing our own data structure, initially without thinking too much about the Standard Library. Then we’ll look at an overview of the different sets of requirements that the Standard Library imposes for the different types of containers (sequential, associative, and unordered associative). Finally, we’ll adapt our data structure step-by-step to transform it into a Standard Library compliant data structure. This of course includes writing a suitable iterator. Finally, we’ll demonstrate the transformed data structure by running Standard Library algorithms on the data in it.
  • 19:30: Break
  • 19:45: Session 2: Memory Architecture & Performance (Barry Van Landeghem)
    The impact of memory architecture on performance is something which every developer should be aware of. In general improving your code performance is already hard and complex. Computer cache memories have led to introduce a new complexity measure for algorithms and new performance counters for code.
    In this talk we’ll see what data locality is all about and why using data locality can be a great tool for a developer to boost the performance of his/her algorithms/data structures.
    At the end we’ll also at the implications towards parallelism (false sharing/NUMA,…).
  • 20:45: Introduction to Altran, followed by a drink.

Professional C++, 4th Edition
We will be giving away 2 copies of Professional C++, the 4th Edition.

The event is free for everyone, but you need to register for it.

There are 80 seats available for this event.

Note: The deadline for registrations is October 21st, 2018!

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Slides of the 28th of June 2018 BeCPP Meeting

July 4, 2018 Marc Gregoire Events

Thank you everyone for joining the Belgian C++ Users Group meeting on 28th of June 2018 and thanks to Western Digital for sponsoring the event by providing the location and catering.

Amplidata Logo

If you couldn’t attend the event in person, or if you would like to go over the material again, you can download them below.

Presentation: “Strongly Typed Declarative Bitsets in C++17” by Ewoud van Craeynest
Ewoud van Craeynest - Strongly Typed Declarative Bitsets in C++17

Presentation: “The Observer pattern and boost.signals2” by Lieven de Cock (Only source code, no slides)

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Pictures of the 28th of June 2018 BeCPP Meeting

July 4, 2018 Marc Gregoire Events

Here are some pictures of the Belgian C++ Users Group meeting held on 28th of June 2018.

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Next BeCPP UG Meeting Planned For June 28th, 2018

June 2, 2018 Marc Gregoire Events

The next meeting of the Belgian C++ Users Group is planned for Thursday June 28th, 2018 at 18:00 at Amplidata.

Amplidata, a Western Digital company, ( http://amplidata.com/ ) is sponsoring this event by providing the location, drinks and catering.

Amplidata Logo

The agenda is as follows:

  • 18:00: Sandwiches.
  • 18:30: Session 1: Strongly Typed Declarative Bitsets in C++17 (Ewoud van Craeynest)
    The C++ standard states that bool values behave as integral types, that they participate in integral promotions and conversions.
    As a community, we reached the consensus that those integral types aren’t particularly type safe. So, neither are our bools, neither are our bitsets, nor the bits within a bitset. Numbers just being numbers can lead to subtle bugs and impede merciless refactoring.
    This session aims to introduce a strongly typed, declarative bitset type using C++17, by looking at a strongly typed bool and template offset bitfields first.
  • 19:30: Break
  • 19:45: Session 2: The Observer pattern and boost.signals2 (Lieven de Cock)
    The Observer pattern, is one of the many famous GOF design patterns. We will take a look at a minimal implementation, and then enhance that implementation a bit. We briefly touch some potential problems and think about options on how to deal with them. Then we look at a way of avoiding boiler plate code, by using the boost.signals2 library. This header-only boost library will take care of much administration work so we don’t need to reinvent the wheel. No prior knowledge is needed of the observer design pattern, nor the boost.signals2 library.
    Just bring your C++ (11-14-17) skills and … observe.
  • 20:45: Introduction to Amplidata, followed by a drink.

Professional C++, 4th Edition
We will be giving away 2 copies of the recently published new edition of Professional C++, the 4th Edition.

JetBrains
We will also be giving away a JetBrains coupons for 100% discount of a 1 year free personal subscription for any single JetBrains tool/IDE JetBrains.

The event is free for everyone, but you need to register for it.

There are 70 seats available for this event.

Note: The deadline for registrations is June 24th, 2018!

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Material of the 28th of February 2018 BeCPP Meeting

March 11, 2018 Marc Gregoire Events

Thank you everyone for joining the Belgian C++ Users Group meeting on 28th of February 2018 and thanks to Nokia for sponsoring the event by providing the location and catering.

Nokia Logo

If you couldn’t attend the event in person, or if you would like to go over the material again, you can download them below.

Presentation: “Boost.Asio C++ (Network) Programming (Part 2)” by Lieven de Cock (Source code only, no slides)

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Pictures of the 28th of February 2018 BeCPP Meeting

March 3, 2018 Marc Gregoire Events

Here are some pictures of the Belgian C++ Users Group meeting held on 28th of February 2018.

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Next BeCPP UG Meeting Planned For February 28th, 2018

January 27, 2018 Marc Gregoire Events

The next meeting of the Belgian C++ Users Group is planned for Wednesday February 28th, 2018 at 18:00 at Nokia. For travel tips, see how to reach Nokia.

Nokia ( http://nokia.be/ ) is sponsoring this event by providing the location, drinks and catering.

Nokia Logo

The agenda is as follows:

  • 18:00: Sandwiches.
  • 18:30: Session 1: Boost.Asio C++ (Network) Programming (Part 2) (Lieven de Cock)
    Boost.Asio is a cross-platform C++ library for network and low-level I/O programming, either using a synchronous or asynchronous model. We will examine this powerful library in 2 sessions.
    In this second session we will pick up where we left of, after connecting as a client we will start interacting with the server, and we will see how to implement a server application.
    We will do this both in a synchronous and an asynchronous way, keeping an eye on scalability.
    Note that the C++ Standard networking proposals are based directly on Boost.Asio, so next to learning this great library we are also preparing for the future C++ standard.
  • 19:30: Break
  • 19:45: Session 2: A possible future for embedded (Odin Holmes)
    Through the much-hyped advent of Industry 4.0 and IoT, billions of new bare metal devices will be connected to the internet or intranets and will be expected to talk to each other, even across company boundaries. This presents a plethora of new challenges, many of which share a common root; it is crucial that we build a foundation for code reuse and encapsulation of expertise in this domain. What does cross-platform code really mean when we are targeting thousands of ‘platforms’? When encapsulating expertise, we implicitly make assumptions about user code and user code implicitly makes assumptions about library code. What are valid assumptions? What is the basic interface? In this talk I will present a possible future for bare metal development which attempts to answer these questions.
  • 20:45: Introduction to Nokia, followed by a drink.

C++ Standard Library Quick Reference
We will be giving away a copy of C++ Standard Library Quick Reference.

JetBrains
We will also be giving away 2 JetBrains coupons for 100% discount of a 1 year free personal subscription for any single JetBrains tool/IDE JetBrains.

The event is free for everyone, but you need to register for it.

There are 60 seats available for this event.

Note: The deadline for registrations is February 25th, 2018!

 

How to reach Nokia?

By car

For GPS, enter destination “Van Immerseelstraat” and not the “Copernicuslaan”.

From Brussels (E19), Boom (A12), Ghent (E17) or Bruges (E34)

  • Take exit 3 (Borgerhout / Antwerp) on the Ring of Antwerp (R1) and turn left towards the city center.
  • Cross the Singel (R10) and follow Plantin en Moretuslei under the railway bridge towards the city center.
  • Just before the next railway bridge, turn right into Van Immerseelstraat where you will find the entrance to the underground parking.

From direction Turnhout (E34) or Hasselt (E313)

  • Take exit 17 (Antwerpen Centrum / Borgerhout / Singel) and turn left for the railway bridge to the Noordersingel (R10).
  • At the second crossroads turn right under the railway bridge to Plantin and Moretuslei towards the city center.
  • Just before the next railway bridge, turn right into Van Immerseelstraat where you will find the entrance to the underground car park.

Parking

There is a public parking facility underneath the building, but it is not free (http://www.interparking.be/en/find-parking/Centraal/). Traffic in Antwerp is not the easiest, so it’s recommended to come by train if possible. The Nokia building is less than 5 minutes walking from the Antwerpen Centraal train station.

By Bike

  • From the south, take the Antwerp Ringfietspad (cyclepath), and ride via the station of Berchem and the Mercatorstraat (along the railway berm) towards the station ‘Antwerpen-Centraal’.
  • From the north, ride via the Noorderlaan and the Italiëlei. At the Franklin Rooseveltplaats, turn left towards the ‘Antwerpen-Centraal’ station.
  • From the Linkeroever, ride via the Sint-Anna tunnel and the de Meir. Via the Keyserlei you will arrive at the ‘Antwerpen-Centraal’ station.
  • Via the Lange Kievitstraat (bicycle crossing under the station) you will arrive at the Kievitplein.
  • Visitors can park their bicycle safely in the underground bicycle parking to the right of the station entrance.

By Metro, Tram and Bus

  • Buses 17, 21, 32 and 244 from De Lijn stop at the ‘Lange Kievitstraat’ stop near the Kievitplein
  • Trams 2, 6, 9 and 15 have a stop at the premetro station ‘Diamant’ at the ‘Antwerpen-Centraal’ train station and at the ‘Plantin’ premetro station at the Plantin and Moretuslei.

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Slides of the 9th of January 2018 BeCPP Meeting

January 15, 2018 Marc Gregoire Events

Thank you everyone for joining the Belgian C++ Users Group meeting on 9th of January 2018 and thanks to Barco for sponsoring the event by providing the location and catering.

Barco Logo

This was the biggest BeCPP event ever.
We had around 140 attendees! 🙂

If you couldn’t attend the event in person, or if you would like to go over the material again, you can download them below.

Presentation: “Threads are evil” by Frederik Vannoote
Frederik Vannoote - Threads are evil

Presentation: “Legacy code refactoring case” by Roeland Van Lembergen
Roeland Van Lembergen - Legacy code refactoring case

Presentation: “Boost.Asio C++ (Network) Programming” by Lieven de Cock (Only source code, no slides)

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Pictures of the 9th of January 2018 BeCPP Meeting

January 15, 2018 Marc Gregoire Events

Here are some pictures of the Belgian C++ Users Group meeting held on 9th of January 2018.

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Update – Next BeCPP UG Meeting Planned For January 9th, 2018

December 15, 2017 Marc Gregoire Events

Due to its success, the number of attendees has been increased to 110 for the Belgian C++ Users Group Meeting planned for January 9th, 2018.
Get all the details of the event here.

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