👋 I’m Geshan, Senior Software Engineer and a speaker.
I have more than 15 years of professional software engineering experience, currently located in Sydney, Australia serving Simply Wall St as a senior software engineer. I am a Google Developer Expert and I have actively participated as a speaker in:
and more. I am a technical writer too, blogging since 2007.
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Learn how to use Jest beforeEach to write better unit tests looking at given practial code exampleRead post
Learn how to use optional paramters in typescript function with a simple yet useful example in this post.Read post
Learn how to use 10 useful docker commands in this intro guide like run, exec, logs and cp to get more done with Docker.Read post
Learn how to append text to a file using Node.js with callback, promise (async-await) and sync way in this easy to follow tutorial with code examples.Read post