Dangling else problem

What is a dangling else problem? It's presented below - what will print this program? #include <iostream> int main() { bool a = true; bool b = false; if(a) if (b) std::cout << "foo" << std::endl; else std::cout << "bar" <<...

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Tiny and cheap lab generator

Function generator is a rely useful tool in the lab, a simple version can be build at home, there's a lot of examples on the Internet, some are much more complex and powerful, but this one is intended to be really simple and cheap. It can be also built-in...

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More readable way of casting primitive types in C++

How to cast a variable of one primitive type to another? Usually people use static_cast operator, but it can be done in other, more readable way. Below example demonstrate the problem, and two solutions: char var1 = 3; char var2 = 5; // first way int result1 = static_cast<int>(var1 + var2); //...

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A trip with Geiger Counter on the Śnieżka mountain

During the Second World War Nazis established a uranium mine in Krkonoše mountains. Extracted ore was used in a research facility in Oranienburg. After the war, the mine was in polish borders, but Poland was then a puppy country of the USSR, so the ore...

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