Archive for month: December, 2016

myNew

Overloading Operator new and delete 1

December 30, 2016

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It happens quite too often that a C++ application allocates memory but doesn't deallocate it. This is…

Explicit Memory Management

December 29, 2016

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Explicit memory management has in C++ a high complexity but also provides great functionality. Sadly,…

raii

Garbage Collection – No Thanks

December 26, 2016

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C++ is old-fashioned. C++ has no garbage collection. No garbage collection? Right! Old fashioned? Wrong! What…

perfectForwarding1

Perfect Forwarding

December 24, 2016

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Today, we solve " ... a herefore unsolved problem in C++" (Bjarne Stroustrup). To make the long story…

RainerGrimmSmall

Time for Wishes

December 24, 2016

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I wrote more than 130 posts in my German blog about functional programming, embedded programming and…

moveAlgorithm

Move Semantis: Two Nice Properties

December 22, 2016

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I will talk about two nice properties of the move semantic in this post that is not so often mentioned.…

copy

Copy versus Move Semantics: A few Numbers

December 20, 2016

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A lot was written about the advantages of move semantics to copy semantics. Instead of an expensive copy…

sizeof

std::array – Dynamic Memory, no Thanks

December 18, 2016

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std::array combines the best of two worlds. On the one hand, std::array has the size and efficiency of…

stringAndVector

Automatic Memory Management of the STL Containers

December 16, 2016

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One of the significant advantages of a C++ string to a C string and of a std::vector to a C array is…

weakPtr

std::weak_ptr

December 14, 2016

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std::unique_ptr models the concept of exclusive ownership, std::shared_ptr the concept of shared ownership.…

Latest news

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 […]