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Omar's Blog

Sharing tips/info related to Linux, AWS, configuration management, and infrastructure as code

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Calling C Code From Rust

I recently came across the extern keyword in the official Rust book. In a nutshell, one of the things it allows you to do is use »

Omar Khawaja Omar Khawaja 26 March 2021

Cross-Compiling Rust from macOS To Linux

I recently had to cross-compile my Rust app from macOS to Linux. The process wasn't too hard, but the documentation wasn't as easy to find as »

Omar Khawaja Omar Khawaja 13 March 2021

Rust Lifetime Annotations Explained

If you're like me, you may have walked away after reading about lifetime annotations understanding their purpose but not really getting why the developer needs to »

Omar Khawaja Omar Khawaja 13 February 2021

Understanding Function Closures in Golang

Function closures have many practical applications (one of which includes isolating data as we will see later in this post). The concept of a function closure »

Omar Khawaja Omar Khawaja 26 July 2018

Terraform: Resolving AWS Security Group Cyclic Dependencies

If you have ever used Terraform to create security groups in AWS, you may have come across a situation where you're trying to do something like »

Omar Khawaja Omar Khawaja 06 April 2018
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