milanHrabos questions

• Could NOT find Boost (missing: system) (found suitable versiHow on "1.78.0", minimum required is "1.78.0")
• Is it possible to push a key-value pair directly to hash in perl?
• sizeof operator shows wrong size of struct in c
• double pointer vs pointer to array, incompatible pointer type
• Warning: indirect call without `*'
• react's useState does not sets new state
• vscode: how to make text after snippet *not* selected?
• Why does accept() block, when listen() is the very first involved in TCP?
• Why is it possible to pass a double pointer (address of address) to scanf?
• Why is no deduction for template parameters only used as return type?

milanHrabos answers