The methods that are covered in this video are map, filter, reduce, take/skip and distinct. Most of them are array-like primitives they will give you the basis of your further work with RxJs and introduce main instruments from this large swiss knife!
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From my experience many times customers asked me to install new environment for myself, help newbies to set the same environment. Another case was to upgrade software packages, e.g. Postgres 5.4 to 5.5. These tasks are not the complexity of ‘rocket science’ but if you are front-end developer it can take much of your time. The best is to give DevOps work to DevOps engineers.
Our next lesson is devoted to Node.JS debugging. First of all, we will explore the simplest built-in debugger that is called by the node debug command. It looks just like that. Imagine, we’ve got the script:
Let’s start from SOLID principles to get the basic understanding of this stuff. There are 5 principles: – Single responsibility; – Open-closed; – Liskov substitution; – Interface segregation; – Dependency inversion;
