When we declare a std::vector, or std::string, …, like that for example std::string hello("Hello"); isn’t it wrong? shouldn’t we do std::string hello; try { hello = "Hello"; } catch (std::exception &e) { std::cout << e.what() << std::endl; return (-1); } Because if I understood how it works, when an allocation fails, it will result in ..
I am helping someone install Windows on a new SSD, but so far it hasn’t worked out. I think the following things are relevant: The SSD is brand new SMART data says it’s in perfect health The SSD is installed into the PC with a PCIe card A different SSD in the same slot does ..
I have just created my first graphical application with the GTK library and I have a little problem. The application only opens a window of type GtkWidget and shows it to the user as a test. When compiling this application with Linux g ++, the application opens correctly. When compiling this application with MinGW g ..
I’m using a Makefile to compile and link my source files with sfml libraries. This works perfectly. The only problem: it generates .o files (and .exe) in the same directory as the source files (.cpp). I want my Makefile to generate those into a different one (/obj for example). How could I do that ? ..
From where can I learn C++ as a beginner? As I do explore many platforms but was not able to grasp the beginning. Source: Windows Que..
I want to create a constexpr container like std::array that is also sorted and all elements are unique. What I want to achieve is to check at compile time if the given data in the constructor are sorted and unique. I believe an std::set interface is more close to what I want to achieve but ..
I am porting a toolkit (namely the EFL) engine from pure GDI to Direct2D. More precisely, I am adding a Direct2D engine. The purpose is to have a faster engine than the GDI one. This toolkit is cross platform, has existed for a long time, so i can’t modify it. I can just use what ..
Im following these steps to install Paho MQTT library for cpp: sudo apt-get install build-essential gcc make cmake cmake-gui cmake-curses-gui git doxygen graphviz libssl-dev git clone https://github.com/eclipse/paho.mqtt.c.git cd paho.mqtt.c git checkout v1.2.1 (tried v1.3.8 and v1.3.1) cmake -Bbuild -H. -DPAHO_WITH_SSL=ON sudo cmake –build build/ –target install sudo ldconfig cd .. git clone https://github.com/eclipse/paho.mqtt.cpp cd paho.mqtt.cpp ..
Why VS doesn’t accept the actual location of my source file and refers to some file that doesn’t exist and was deleted long ago? I asked to not look there but it still does it. Why? Source: Visual Studio..
This is my first question here. I’m trying to improve my basics by doing Code Wars exercises and I’m supposed to change the first character of every word to uppercase. Example: This is my life now –> This Is My Life Now This is my code at the moment but Uppercase doesn’t seem to be ..
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