Merge f3c4d605e5 into 88e5be6e4b

feat: Newer updates

backend/nestjs.md

@@ -0,0 +1,79 @@
+# NestJS
+
+## Summary
+
+- [Introduction](#introduction)
+- [CLI Commands](#cli-commands)
+  - [Installation](#installation)
+  - [Usages](#usages)
+
+## Introduction
+
+**NestJS** is a framework for building efficient, scalable Node.js server-side applications. It uses progressive **JavaScript**, supports **TypeScript** and combines the element of **OOP** (Object Oriented Programming), **FP** (Functional Programming) & **FRP** (Functional Reactive Programming).
+
+[Back to Summary](#summary)
+
+## CLI Commands
+
+### Installation
+
+```code
+$ npm i -g @nestjs/cli
+```
+
+### Usages
+
+**1) nest new**
+
+```code
+$ npm new <project_name> [options]
+```
+
+**Options**
+
+| Option                  | Description                                                                       |
+| :---------------------- | :-------------------------------------------------------------------------------- |
+| _--dry-run_             | Report the changes made, but it doesn't affect the file system. <br/> Alias: _-d_ |
+| _--language [language]_ | Specify programming language (TS or JS).<br/> Alias: _-l_                         |
+
+**2) nest generate**
+
+```code
+$ nest generate <schematic> <name> [options]
+$ nest g <schematic> <name> [options]
+```
+
+where,<br/>
+_&lt;schematic&gt;_ - to generate. <br/>
+_&lt;name&gt;_ - name of the generated component. <br/>
+
+**Schematics**<br/>
+| Name | Description |
+| :---- | :---- |
+|app| Generates a new application within a monorepo|
+|library| Generates a new library within a monorepo|
+|class|Generate a new class|
+|controller|Generate a new controller|
+|decorator|Generate decorator |
+|filter|Generate a filter|
+|gateway|Generate a gateway|
+|guard|Generate a guard|
+|interface|Generate an interface|
+|interceptor|Generate an interceptor|
+|middleware|Generate a middleware|
+|module|Generate a module|
+|pipe|Generate a pipe|
+|provider|Generate a provider|
+|resolver|Generate a resolver|
+|service| Generate a service|
+|resource| Generates a new CRUD resource |
+
+**CRUD generator**
+
+| Commands      | Description                                         |
+| :------------ | :-------------------------------------------------- |
+| **nest g mo** | Generates a module for groping related components   |
+| **nest g co** | Generates a controller to define CRUD routes        |
+| **nest g s**  | Generates a service to implement the business logic |
+
+[Back to Summary](#summary)

languages/javascript.js

@@ -95,9 +95,3 @@ arr.reduce(callback[, initialValue])                 // Apply a function against
 arr.reduceRight(callback[, initialValue])            // Apply a function against an accumulator and each value of the array (from right-to-left) as to reduce it to a single value.
 arr.some(callback[, initialValue])                   // Returns true if at least one element in this array satisfies the provided testing function.
 arr.values()                                         // Returns a new Array Iterator object that contains the values for each index in the array.
-
-// String methods
-String.charAt(index)                                 // Returns the character at the specified index in a string.
-String.indexOf(character)                            // Returns the index of the first occurrence of a specified value in a string.
-String.substring(starting_index, ending_index)       // Returns a new string that is a subset of the original string.
-String.substring(starting_index)                     // Returns a substring from starting index to last index of string.

tools/ubuntu.sh

@@ -21,7 +21,6 @@ cat /proc/<process_id>/maps   # Show the current virtual memory usage of a Linux
 ip r # Display ip of the server
 
 lsof -i :9000 # List process running on port 9000
-kill -9 $(lsof -t -i:PORT) # Kill the process running on whichever port specified
 
 journalctl -u minio.service -n 100 --no-pager # List last 100 logs for specific service