18:30 Connectis_ (Varso Place), Chmielna 71, WarszawaHostSponsorsAgenda 1. Transitioning to Go - Robert Pajak 2. Break / Your announcements (OpenSource, event etc.); Developer, engineer, lead lost & found

18:30 Connectis_ (Varso Place), Chmielna 71, WarszawaHostSponsorsAgenda 1. Transitioning to Go - Robert Pajak 2. Break / Your announcements (OpenSource, event etc.); Developer, engineer, lead lost & found

Liskov Substitution Principle Interface Segregation Principle Dependency Inversion Principle Robert C. Martin Michael Feathers10 The SOLID Principles11 The SOLID Principles I will introduce the Specification)17 The Single-Responsibility Principle (SRP) ”A class should have only one reason to change.” (Robert C. Martin, Agile Software Development)18 The Single-Responsibility Principle (SRP) explicit Segregation Principle (ISP) ”Clients should not be forced to depend on methods that they do not use.” (Robert C. Martin, Agile Software Development)66 The Interface Segregation Principle (ISP) ”Many client

Failing Successfully Robert Leahy Lead Software Engineer rleahy@rleahy.ca Reporting and Handling Errors ERROR: ERROR: No such file or directory 4 What Went Wrong? Actually a success story Program GLBX Date: 2021-08-06 Identifier: b6 4e 11 49 9d 9e c8 b8 00 00 00 01 83 04 06 00 Questions? 44 Robert Leahy Lead Software Engineer rleahy@rleahy.ca

Deploying the Networking TS Robert Leahy Lead Software Engineer rleahy@rleahy.ca Opening DataConn socket on 0.0.0.0:11653... Started (send SIGINT or SIGTERM to exit) 2021-10-06T04:01:26.490694105Z << std::endl; pool.run([&](auto&& ctx) { events.thread_start(ctx); }); } Questions? 44 Robert Leahy Lead Software Engineer rleahy@rleahy.ca

license in chapter 16.2.14, gSOAP Public License Version 1.3a, page 328 and Copyright (C) 2000-2007, Robert van Engelen, Genivia Inc., and others. • VirtualBox ships with the application tunctl (shipped as Public License (LGPL), page 312 and Copyright (C) 2010-2013 Canonical Ltd.; Copyright (C) 2010-2011 Robert Ancell. • VirtualBox contains portions of glib which is governed by the license in chapter 16.2.2 stlset.h. The Initial Developer of the Original Code is Robert A. van Engelen. Portions created by Robert A. van Engelen are Copyright (C) 2001-2004 Robert A. van Engelen, Genivia inc. All Rights Reserved. Contributor(s):

(bug #18264) • Linux guests: fix for building vboxvideo on EL 7.6 standard kernel, contributed by Robert Conde (bug #18093) • Linux guests: fixed building drivers on SLES 12.4 (bug #18213) • Linux guests: license in chapter 16.2.14, gSOAP Public License Version 1.3a, page 366 and Copyright (C) 2000-2007, Robert van Engelen, Genivia Inc., and others. • VirtualBox ships with the application tunctl (shipped as Public License (LGPL), page 351 and Copyright (C) 2010-2013 Canonical Ltd.; Copyright (C) 2010-2011 Robert Ancell. • VirtualBox contains portions of glib which is governed by the license in chapter 16.2.2

compiler7 github.com/hsutter/ > 700 issues and PRs > 120 contributors Joe Abbate, Abhinav00, Robert Adam, Adam, Konstantin Akimov, Aaron Albers, Alex, Federico Aponte, Graham Asher, Ashmate, Peter Dranaga, Anton Dyachenko, Konstantin F, farmerpiki, Igor Ferreira, Stefano Fiorentino, fknauf, Robert Fry, Artie Fuffkin, Gabriel Gerlero, Jaroslaw Glowacki, Matt Godbolt, William Gooch, Víctor M.

image that fits man’s imagination.”The dragon's den 1990 - Dragon Guy L. Steele, Jon L. White Robert G. Burger and R. Kent Dybvig 1996 2010 - Grisù Florian Loitsch 2016 - Errol Marc Andrysco, Ranjit Junekey Jeon 2022 - Dragonbox Junekey JeonThe dragon's den 1990 - Dragon Guy L. Steele, Jon L. White Robert G. Burger and R. Kent Dybvig 1996 2010 - Grisù Florian Loitsch 2016 - Errol Marc Andrysco, Ranjit

license in chapter 16.2.14, gSOAP Public License Version 1.3a, page 359 and Copyright (C) 2000-2007, Robert van Engelen, Genivia Inc., and others. • VirtualBox ships with the application tunctl (shipped as Public License (LGPL), page 344 and Copyright (C) 2010-2013 Canonical Ltd.; Copyright (C) 2010-2011 Robert Ancell. • VirtualBox contains portions of glib which is governed by the license in chapter 16.2.2 stlset.h. The Initial Developer of the Original Code is Robert A. van Engelen. Portions created by Robert A. van Engelen are Copyright (C) 2001-2004 Robert A. van Engelen, Genivia inc. All Rights Reserved. Contributor(s):