Code Trips & Tips

The Envelope Wrapper pattern This pattern, described in “Enterprise Integration Patterns” (Ch. 8, “The Envelope Wrapper”), is used typically in messaging systems, when a number of metadata fields (for routing, security, etc.) are kept in a header, while the data used by service endpoints is serialized in a payload. For the system to be generically … More Implement the Envelope Wrapper Pattern in C++ using Google Protocol Buffers

There is something to be said for the immediacy of using Bash scripts, especially when dealing with relatively simple system operations; however, parsing command line arguments has always been rather cumbersome and usually done along the lines of painful if [[ ${1} == ‘–build’ ]]; then …. On the other hand, Python is pretty convenient … More Parse Args in Bash Scripts

The STL provides a high-performance queue class in std::queue<T>; however, the API is not very intuitive, or easy, to use and it is not safe to access from multiple threads.In this article, we will show how to wrap it in a more convenient, and thread-safe, API. The C++ Standard Template Library (STL) offers a template-class … More Modern C++: Writing a thread-safe Queue