Mar 23, 2022Binary Tree Traversal Without RecursionHow to traverse a binary tree? Well, recursion is the most obvious solution, which is elegant, shows beauty of algorithm, and is suitable of binary tree’s recursion nature. Now, some may want to dig into it deeper: what actually recursion does? …Binary Tree Traversal2 min readBinary Tree Traversal2 min read
Mar 22, 2022Store A Key Safely In Source CodeRecently I’ve been assigned a task which is to store a key safely in c++ source code. The context is that neither users could get the key from the released software to directly connect some backend service, nor users need to type password everytime the software starts. Is it possible…Obfuscation3 min readObfuscation3 min read