Architectures and Design Patterns · Distributed Computing · News from the Web · Performance, Throughput, Real-time and Other

Command and Query Responsibility Separation

Why to start with an image? Simple, it’s generally recognized that 1 picture is worth 1000 words! And, this is really true for Engineers… WMware Cloud Management Blog proposes an interesting article on the CQRS (Command and Query Responsibility Separation) Architectural Pattern an its applications, a worth reading. In this short blog post, few more… Continue reading Command and Query Responsibility Separation

Scripting

grep Vs sed Vs awk: what a proficient/advanced Linux Shell User should know

How many times have we used grep to narrow our searches on a Linux FS (File System)? Well, this is a good question since almost everyone (intended as Linux average User) knows grep and its basic features set. To recap: g/re/p stands for globally search a regular expression and print, a name, a manifesto I would say. The… Continue reading grep Vs sed Vs awk: what a proficient/advanced Linux Shell User should know