Category: programming languages

We all know that the 32-bit signed/unsigned integer takes 4 byte while 64-bit signed/unsigned integer takes 8 bytes to store. If there is a very big integer which is …

Given a 32-bit DWORD, and two threads A and B, do they require Mutex (exclusive resources) to read/write the High/Low DWORD respectively? e.g. Thread A reads two low bytes …

This is the technical phone interview question from Google. Google has offices in London but the call was from Google Switzerland (+41). The interview lasts for 45 minutes. Given …

Simplify an absolute path for a file (Unix-style): For example, path = "/home/", => "/home" path = "/a/./b/../../c/", => "/c" Did you consider the case where path = “/../”? …

We have talked about the Pre-order in this post, and In-order Traversal for binary tree in this post. And this article talks about the third kind: Postorder traversal, which …