w w w . a t o m o s s p a c e . c o m Newer Isn’t Always Better Investigating Legacy Design Trends and Their Modern Replacements Katherine Rochaatomosspace.com | 3 • Software Engineer at Atomos Space can be used to access an element • Index can be used for in loop side effects/calculations • Doesn’t require a group of items • More dangerous access operations Original Trend – Index For Loopatomosspace vs Meyers’ Singletonatomosspace.com | 19 template T> class Singleton { public: static T& getInstance() { static T instance; return instance; } private: Singleton();

Podkhalyuzin 彭俐客 DON’T PRINT, GO DEBUG! How to print? How to print? plan plan 1 First steps plan 1 2 First steps Run to cursor plan 1 2 3 First steps Run to cursor Don’t debug. Print! plan plan 1 2 3 4 First steps Run to cursor Don’t debug. Print! Attach to process plan 1 2 3 4 5 First steps Run to cursor Don’t debug. Print! Attach to process Debug Goroutines plan Superpower 5 6 First steps Run to cursor Don’t debug. Print! Attach to process Debug Goroutines plan Superpower! 1 2 3 4 5 6 First steps Run to cursor Don’t debug. Print! Attach to process Debug

What Volatile Means (and Doesn't Mean) Copyright © 2024 by Ben Saks and Dan Saks 0-1 What Volatile Means (and Doesn’t Mean) by Ben Saks and Dan Saks September, 2024 1 Saks & Associates These notes +1-412-521-4117 (voice) service@saksandassociates.com saksandassociates.com 2What Volatile Means (and Doesn't Mean) Copyright © 2024 by Ben Saks and Dan Saks 0-2 Introduction  The volatilequalifier is a vital compilers from performing certain harmful optimizations.  Unfortunately, many C++ programmers aren’t clear on exactly what protections volatileprovides.  As such, many programmers apply the volatilequalifier

1Tracy: a profiler you don’t want to miss Marcos Slomp Senior Research Engineer IIWhy Tracy? Real-time workflow (analyze application while it is running) Precise measurements (nanosecond resolution) com/watch?v=dToaepIXW4s“C++ programmers talk all the time about efficiency, but they generally don’t know how to measure.” - Bjarne Stroustrup CppCon 2023 Keynote (literally three days ago!)Tracing change the zone name • can be non-persistent string (e.g., an std::string in the stack) • new name WON’T appear in profiler statistics! • ZoneColor • programmatically change the zone color Avoid! (it will

1Tracy: a profiler you don’t want to miss Marcos Slomp Senior Research Engineer IIWhy Tracy? Real-time workflow (analyze application while it is running) Precise measurements (nanosecond resolution) com/watch?v=dToaepIXW4s“C++ programmers talk all the time about efficiency, but they generally don’t know how to measure.” - Bjarne Stroustrup CppCon 2023 Opening Keynote (literally three days ago!)Tracing change the zone name • can be non-persistent string (e.g., an std::string in the stack) • new name WON’T appear in profiler statistics! • ZoneColor • programmatically change the zone color Avoid! (it will

Can’t we just synthesize std::tuple_element from get? Jonathan Müller — @foonathanAdding structured bindings support to a custom tuple-like type template T> struct my_tuple { … }; Jonathan Müller — @foonathan Can’t we just synthesize std::tuple_element from get? CppCon 2024-09-18 1Adding structured bindings support to a custom tuple-like type template T> struct my_tuple { … template t I, typename Tuple> requires instance_oft> auto get(Tuple&& t) -> decltype(auto) { … } Jonathan Müller — @foonathan Can’t we just synthesize std::tuple_element

compare_exchange is Daniel Anderson -- danielanderson.net4 Our motivating problem • Required by std::weak_ptr<T>::lock • Also, very useful for atomic memory management / concurrent data structures Daniel Anderson Otherwise return false. // Precondition: The counter is not zero bool decrement(); uint64_t read(); // Return the current value of the counter }; • Sometimes referred to as a “sticky counter” bool decrement() { return (--counter == 0); } uint64_t read() { return counter; } uint64_t counter{1}; }; Thread 1: increment_if_not_zero() if (counter > 0) {

Software-Ergonomie von Jenkins Version 1.580.1 Stand: 11.12.2014 Kurzbericht des Test and Integration Center der T-Systems Multimedia Solutions GmbH Zusammenfassung Fazit Methodisches Vorgehen  Die Prüfung der Wesentliche Ergebnisse  Die Usability einer Anwendung setzt sich aus den übergeordneten Kriterien Effektivität, Effizienz und Zufriedenstellung zusammen.  Der Aspekt der Zufriedenstellung kann ausschließlich Lernförderlichkeit (1 leichtes Problem)  Fehlertoleranz (1 leichtes Problem)  Erwartungskonformität (1 leichtes Problem)  Steuerbarkeit (1 leichtes Problem)  Da nur leichte Probleme festgestellt

Redis ● Sidecar istio-proxy encrypts the Redis traffic and sends to external redis ● App doesn’t need to configure certs ● Traffic becomes more “visible” How traffic looks like before TLS origination

T h e D e fi n i t i v e G u i d e t o Y i i 2 . 0 h t t p : / / w w w . y i i f r a m e w o r k . c o m / d o c / g u i d e Q i a n g X u e, A l ex a n d er M a k a r o v , C a r s t en B r a n d d t , K l i m o v P a u l , a n d m a n y co n t r i b u t o r s f r o m t h e Y i i co m m u n i t y T h i s t u t o r i a l i s r e l e a s e d u n d e r t h e T e r m s o f Y i i D o c u m e n t a t t i o n . C o p y r i g h t 2 0 1 4 Y i i S o f t w a r e L L C . A l l R i g h t s R e s e r v e d . C o n t e n t s 1 I n t r o d u c t i o n 1 1 . 1 W h a t i s Y i i . . . . . . . . . . . . .