## +23 ## Better Code: Contracts ## SEAN PARENT & DAVE ABRAHAMS ## 20 23 October 01 - 06  ## Better Code: Contracts Contracts Dave Abrahams & Sean Parent What's holding our software together? Can we do better than duct tape and good intentions?  Local reasoning is the idea that the reader can make sense of the code directly in front of them

## +23 ## Better Code: Exploring Validity ## DAVID SANKEL ## 20 23 October 01 - 06  ## Better Code Exploring Validity Events • Training Videos (STLab Better Code Series!) ■ Blog Posts  ## Better Code Functional Design David Sankel | .jpg)  ## Better Code: Reliable Types Nick DeMarco | Senior Computer Scientist Software Technology Lab #### developer

## +24 ## Newer Isn't Always Better: Investigating Legacy Design Trends and Their Modern Replacements ## KATHERINE ROCHA ## $ \textcircled{1} $ $ \textcircled{2} $ $ \textcircled{3} $ $ \textcircled{4} \textcircled{380} $ $ \textcircled{381} $ $ \textcircled{382} $ $ \ ## Newer Isn’t Always Better Investigating Legacy Design Trends and Their Modern Replacements Katherine Rocha ## About Me • • Why did it replace the original? ## Original Code • What is the original solution? How elegant is it? • What are the problems with it? ## New Code • What is the new solution? • How elegant is it

# Top 5 improvements to Debugging Go Code in VS Code in the last year Ramya Rao Software Engineer, Microsoft Maintainer of the Go plugin to VS Code ## Add/remove breakpoints when in the middle of debugging

## +21 ## Code Analysis++ ## ANASTASIA KAZAKOVA ## 20 21 October 24-29 • Anastasia Kazakova, @anastasiak2512 C++ Dev: Embedded, Networking C++ Tools PMM and .NET Tools Marketing Lead, JetBrains - UG: https://www.meetup.com/St-Petersburg-CPP-User-Group/ C++ Russia: https://cppconf.ru/en/ ## Why Code Analysis? ## Software Quality While preparing for my workshop at #CppOnSea, I want to ask you: reply about software quality. Readability Repeatable tests SW helps solving Maintainability Expressive code less UB problems Simplicity tools Robustness The Last Spike Work as intended fuzzer Orthogonality

## Better x86 Assembly Generation with Go Michael McLoughlin Gophercon 2019 Uber Advanced Technologies Group Go provides the ability to write functions in assembly language. Assembly language is a Details • Cryptography ## CAUTION AVALANCHE DANGER ## Outline Go Assembly Primer Problem Statement Code Generation The avo Library Examples Dot Product SHA-1 Future ## Go Assembly Primer package add uint64) uint64 { return x + y } ## The Go disassembles may be used to inspect generated machine code go build -o add.a go tool objdump add.a |TEXT %22%22.Add(SB)|gofile../Users/michaelmcloughlin/Dev

## Customization Methods: Connecting User And Library Code Inbal Levi ## Who Am I? • A C++ Developer at Millennium. • Active member of ISO C++ work group (WG21): • Library Evolution Work Group Chair [Image](/uploads/documents/6/8/a/b/68abc7a36fe95e8dd3264ceb8985e804/p5_1.jpg) @@@ All of library code is in LibSpace, user code without frame is in UserSpace ## Part 0: What is a Library • From Wikipedia: “A [software] collection of non-volatile resources used by computer programs, often for software development.” • Library code is often shared between different developers. • Possibly from different parts of the world, who have

## GARMIN $ ^{®} $ ## Changing Legacy Code with Confidence: ## Practical Advice for Maintaining and Migrating Working Code ## Part 0: Legacy Code ## Legacy code has value • It works $ ^{*} $ It may making the company money • One person's bug is another's critical feature ## The Legacy of Code • Best practices and languages change • Developers cycle through projects • Features added/removed/re-added • Supporting tools change ## Goals of this talk • Preserve working code • Introduce testing • Gradual improvement • Make code self documenting • Instill confidence in changes • Develop for maintenance

## CODE GENERATION FOR VULKAN INITIALIZATION ## LEARNING VULKAN • So... • I’ve decided to learn Vulkan. • Did I learn it? • Not yet. ## WHAT DID I LEARN? ## THIS: ### Copyright © 2019-2019, NVIDIA platforms • #define platform selection • All extensions ## DEPENDENCIES ## WHAT DID I DO? • Simple code generation ■ XSLT translation to header file • Enumerate all the things ■ Platforms, extensions

Exceptionally Bad: The Story on the Misuse of Exceptions and How to Do Better ## PETER MULDOON ## +23 ## Exceptions in C++ Better Design Through Analysis of Real World Usage ## PETER MULDOON ## Who Am catch • Look at Exception in behind their use as seen in real case. • Better thinking on the hand of error use cases • Better thinking on the exception class  to code that does not throw an exception. \[3] A guarantee that every exception raised is caught by an appropriate