Blog
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C++ Virtual Destructor — Complete Guide
Fix C++ memory leaks caused by a missing virtual destructor: why deleting through a base pointer without one causes undefined behavior, and how to fix it.
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C++ Slicing Problem — Complete Guide
Understand C++ object slicing: how copying a derived object through a base type drops data, and how to avoid it with pointers, references, or a virtual clone().
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C++ Static Initialization Order
Understand and solve the C++ static initialization order problem.
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C++ vtable Error — Complete Guide
Fix the C++ "undefined reference to vtable" linker error: missing virtual function definitions, pure virtual pitfalls, and how to track down the cause.
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C++ Segmentation Fault: Causes, Debugging, and Prevention
Understand SIGSEGV and Access Violation in C++: null pointers, dangling pointers, buffer overflows, and stack overflow.
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C++ Name Hiding — Complete Guide
Fix C++ name hiding, where a derived class function unexpectedly hides a base class overload, using a using-declaration to restore visibility.
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C++ Circular References: shared_ptr Leaks and Breaking
Why shared_ptr cycles leak memory, how weak_ptr breaks cycles, parent/child and cache/observer patterns, use_count debugging, Valgrind, and ASan.
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C++ Exception Handling Complete Guide
Master C++ exceptions: standard hierarchy, catch-by-reference, exception safety guarantees (basic/strong/nothrow), RAII patterns, noexcept interaction.
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C++ Exception Performance: Zero-Cost, noexcept, and Error
C++ exception model: zero-cost on success path, cost of throw and unwind, noexcept and vector moves, frequent errors vs exceptions, and -fno-exceptions.
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C++ Exception Safety — Basic, Strong, and Nothrow Guarantees
C++ exception safety: basic, strong, and nothrow guarantees, RAII, copy-and-swap, destructor rules, and common pitfalls—with concise examples.