2020: The Year of Sanitizers? Victor Ciura Principal Engineer @ciura_victor2 Abstract Clang-tidy is the go-to assistant for most C++ programmers looking to improve their code, whether to modernize Ciura | @ciura_victor - 2020: The Year of Sanitizers?New venue, same great C++ conference 2019 ~~~~~~45 2020 Victor Ciura | @ciura_victor - 2020: The Year of Sanitizers? New venue, same great Victor Ciura | @ciura_victor - 2020: The Year of Sanitizers? Have a great CppCon week, everyone !7 2020 Victor Ciura | @ciura_victor - 2020: The Year of Sanitizers? ❓ Due to the nature of delivery

NOTES UNIT IV D e v e l o p e d B y - S a r o j J u n g h a r e Page 1 BCA III YEAR GIMP NOTES UNIT-IV GIMP NOTES UNIT IV D e v e

1 CppCon 2021 Lightning talks One year of Meeting C++ online Jens Weller @meetingcpp2 Online events got somehow popular.. ● Meeting C++ online – A C++ User Group that is online – Experimental

C++20 STL Features: 1 Year of Development on GitHub Stephan T. Lavavej "Steh-fin Lah-wah-wade" Principal Software Engineer, Visual C++ Libraries stl@microsoft.com @StephanTLavavej 1 Version 1.0 - September questions until the end • Write down the slide numbers • Part 0: Overview • What's happened in the last year • Part 1: C++20 STL Features • Everything here is Standard, except as noted • Part 2: GitHub Development 30cxx20 Issues 31Pull Requests • GH-724 Fix boyer_moore_searcher • Fixed a 43-year-old bug by implementing a 40-year-old fix • Explained bug, fix, ABI, testing; others provided more info • GH-142

Version 1.0 - September 15, 2020 1 C++20 STL Features: 1 Year of Development on GitHub Stephan T. Lavavej "Steh-fin Lah-wah-wade" Principal Software Engineer, Visual C++ Libraries stl@microsoft.com @StephanTLavavej2 questions until the end • Write down the slide numbers • Part 0: Overview • What's happened in the last year • Part 1: C++20 STL Features • Everything here is Standard, except as noted • Part 2: GitHub Development C++2031 cxx20 Issues32 Pull Requests • GH-724 Fix boyer_moore_searcher • Fixed a 43-year-old bug by implementing a 40-year-old fix • Explained bug, fix, ABI, testing; others provided more info • GH-142

Vint Cerf, one of the ‘Founders of the Internet,’ said in 1999, ‘…they say a year in the Internet business is like a dog year – equivalent to seven years in a regular person's life.’ At the time, the pace 6MM 2005 2025 Number of Developers, MM 0% 50% 100% Internet LLM 33 Years In 90% @ Year 3 90% @ Year 23 10/22 4/25 800MM Big Six* USA Technology Company CapEx *Apple, NVIDIA, Microsoft, Alphabet + Developer Usage Rising 3 Cost of Key Technologies Relative to Launch Year % of Original Price By Year (Indexed to Year 0) Note: Per-token inference costs shown. Source: Richard Hirsh; John McCallum;

{% for movie in movies %} {# 迭代 movies 变量 #}
• {{ movie.title }} - {{ movie.year }}
{# 等同于 movie['title'] #} {% endfor %} {# 使用 endfor 标签结束 for 语句 #}

Totoro', 'year': '1988'}, {'title': 'Dead Poets Society', 'year': '1989'}, {'title': 'A Perfect World', 'year': '1993'}, {'title': 'Leon', 'year': '1994'}, {'title': 'Mahjong', 'year': '1996'} 'Swallowtail Butterfly', 'year': '1996'}, {'title': 'King of Comedy', 'year': '1999'}, {'title': 'Devils on the Doorstep', 'year': '1999'}, {'title': 'WALL-E', 'year': '2008'}, {'title':

values in datetime are character strings and do not provide any datetime operations (e.g. extract the year, day of the week,...). By applying the to_datetime function, pandas interprets the strings and convert for dates, a lot of time-related properties are provided by pandas. For example the month, but also year, weekofyear, quarter,... All of these properties are accessible by the dt accessor. An overview of series properties, but have these properties available on the index directly: In [20]: no_2.index.year, no_2.index.weekday Out[20]: (Int64Index([2019, 2019, 2019, 2019, 2019, 2019, 2019, 2019, 2019, 2019

chrono::day • chrono::month • chrono::year • chrono::month_day • chrono::weekday • chrono::weekday_indexed • chrono::year_month_day • chrono::year_month_day_last • chrono::year_month_weekday_last • …11 Some Calendrical Types #include #include using namespace std::chrono; int main() { year y{2021}; std::cout << y << "\n"; month m{October}; auto result = m + months{3}; std::cout using namespace std::chrono; int main() { year this_year{2021}; year last_year{2020}; year_month_day ymd{this_year, October, day{28}}; std::cout << ymd << "\n"; month_weekday

values in datetime are character strings and do not provide any datetime operations (e.g. extract the year, day of the week,...). By applying the to_datetime function, pandas interprets the strings and convert for dates, a lot of time-related properties are provided by pandas. For example the month, but also year, weekofyear, quarter,... All of these properties are accessible by the dt accessor. An overview of series properties, but have these properties available on the index directly: In [20]: no_2.index.year, no_2.index.weekday Out[20]: (Int64Index([2019, 2019, 2019, 2019, 2019, 2019, 2019, 2019, 2019, 2019