Generally, dwelling on regrets causes depression. Ancient wisdom says happiness is found in the present. But I also beli

Author : 0mahmoudhamde24
Publish Date : 2021-01-07 07:33:31


Generally, dwelling on regrets causes depression. Ancient wisdom says happiness is found in the present. But I also beli

On the browser, you create a global variable(with var) which will be available everywhere (global scope). With NodeJs things are different, the top level is the module itself so, any “global” variable you create is local to the module and you choose what the module exports to the rest of the application which by importing you know exactly what each module needs and where they all come from.

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t that testing isn’t their favorite part of the job, every developer understands why it should be done. Respect the time of the testers; their time is just as valuable as your own. Therefore, you should have the discipline to test your own code.

I’ve spent the majority of my 20’s chasing entrepreneurial dreams, most of which have failed. I’ve invented a tool for bunk beds that only sort of works, hit two million followers on an Instagram account I’ve yet to monetize, and burned out trying to bring a cartoon character called Sunny the Golden Retriever to life.

It goes without saying that practice and experience play a big part and you should try to expose yourself to as many things as possible. Becoming a Pro is a journey and not a destination so take your time to digest things.

The process object is available globally(through the global object) and it provides details on the current running process by NodeJs. It is commonly used to get arguments the NodeJs was executed with, read, and write to the console, etc. For example, the console object wraps around the process for those abilities but you will need to take a deeper dive into process when you work with Cluster.

Child process is a different module that allows you to run subprocess. Cluster uses the child process fork method to spawn different processes that allow back and forward communication. Child process is often used to interact with the shell and to run code from a different language like python. It is my favorite way to run shell scripts and commands.

It goes without saying that practice and experience play a big part and you should try to expose yourself to as many things as possible. Becoming a Pro is a journey and not a destination so take your time to digest things.

Worker threads share memory and are perfect for complex data calculation, monitoring and process data for your main application, perform intensive and long database operations, etc. The equivalent on the browser would be the Web Worker.

The global object is essential, and you can’t avoid it. It contains things available on every module like require, exports, and __dirname. It also contains timer functions like setTimeout and setInterval as well as your favorite, the console.

Becoming a Pro NodeJs goes beyond these 10 things as NodeJs is so much more. I do believe these are the 10 things to start with if you are heading in that direction though. They allow you to start creating useful things enough to fall in love with NodeJs and further seek more about it.

Cluster allows you to create a cluster of child processes which you can monitor and control. Child processes allow you to take advantage of multi-core systems since NodeJs is single-threaded (Javascript) which means that in a multi-core system, NodeJs will limit itself which may not be enough.

You can’t forget the built-in modules meant to aid you with everything else. The path lets you handle relative paths in your file system. URL helps with anything URL related and the utility module is just a box of magic.

Clusters improve your application by giving it the ability to handle a bigger load and understanding your way around processes allows you to create more powerful applications Cluster processes.

The utility module comes with type checks functions, text encoder, and decoder, util to check deep equality, promisify callbacks, inspect and format various things, etc. I rarely feel the need to install something with these awesome modules and you need to be familiar with them.

I don’t regret any of these attempts. But looking back, I do regret not doing three basic things while I pursued these ideas: investing in index funds, developing my writing skills, and building an audience. Don’t get me wrong — I’m not in a bad place financially, but I’d also be much wealthier right now if I’d acted on that list.



Category : general

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