Archive for month: November, 2022

The Visitor Pattern

November 27, 2022

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The Visitor Pattern encapsulates an operation executed on an object hierarchy as an object and enables…

The Observer Pattern

November 20, 2022

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The Observer Pattern is a behavioral pattern from the book "Design Patterns: Elements of Reusable…

The Proxy Pattern

November 13, 2022

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The Proxy Pattern is probably the most influential design pattern for C++. The Proxy provides a placeholder…

The Strategy Pattern

November 12, 2022

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The Strategy Pattern is a behavioral design pattern from the book Design Patterns: Elements of Reusable…

The Facade Pattern

November 7, 2022

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Today, I write about the Facade Pattern. The Facade Pattern is a structural pattern and has one purpose:…

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Cooperative Interruption of a Thread in C++20: CallbacksJuly 15, 2024 - 8:43 am
I introduced in my last post “Cooperative Interruption of a Thread in C++20” callbacks. Today, I dive deeper. First , here’s a short reminder. Reminder In my last post “Cooperative Interruption of a Thread in C++20“, I presented the following program. // invokeCallback.cpp #include <chrono> #include <iostream> #include <thread> #include <vector> using namespace::std::literals; auto func […]
Cooperative Interruption of a Thread in C++20July 1, 2024 - 10:12 am
A typical question in my C++ seminars is: Can a thread be killed? Before C++20, my answer is no. With C++20, you can ask a thread politely for its interruption.
Chrono: InputJune 24, 2024 - 9:36 am
You can also apply the format specifier for formatted input. This post is the eleventh in my detailed journey through the chrono extension in C++20. The chrono library supports formatted input in two ways. You can use the function std::chrono::from_stream or std::chrono::parse. Both functions require an input stream and parse the input into a time […]
Chrono I/O: Unformatted and FormattedJune 17, 2024 - 10:33 am
Chrono I/O consists of reading and writing chrono types. The various chrono types support unformatted writing and formatted one with the new formatting library. This post is the tenth in my detailed journey through the chrono extension in C++20: Output Most chrono types, such as time duration, time points, and calendar dates, support direct writing […]
Chrono I/OMay 20, 2024 - 10:09 am
Chrono I/O consists of reading and writing chrono types. The various chrono types support unformatted writing and formatted one with the new formatting library. This post is the ninth in my detailed journey through the chrono extension in C++20: Output Most chrono types, such as time duration, time points, and calendar dates, support direct writing […]
Time Zones: Online ClassesMay 13, 2024 - 9:39 am
Today, I will continue to present the functionality of the time zones of the C++20 chrono extension. This post is the eight in my detailed journey through the chrono extension in C++20: Various Time Zones for Online Classes The program onlineClass.cpp answers the following question: How late is it in given time zones when I […]