Merge 02d739afa8 into 0931c8fc67

languages/C#.txt

@@ -88,7 +88,7 @@ CHEATSHEET C#
     string newStr = oldStr.Replace("old","new");
 
     //IndexOf
-    //Finds the first occurrence of a string in a larger string
+    //Finds the first ocurrence of a string in a larger string
     //Returns -1 if the string is not found
     String.IndexOf(val, start, num)
     val - string to search for
@@ -102,7 +102,7 @@ CHEATSHEET C#
     String.Split(Char[]);
 
     //ToCharArray
-    //Places selected characters in a string in a char array
+    //Places selected characteres in a string in a char array
     String str = "AaBbCcDd";
     //create array of 8 vowels
     var chars = str.ToCharArray();
@@ -135,7 +135,7 @@ CHEATSHEET C#
     
     6.1 TimeSpan Constructor
         
-    TimeSpan(hour, minute, sec)
+    TimpeSpan(hour, minute, sec)
     
     TimeSpan timeS = new TimeSpan(10, 14, 50);
     TimeSpan timeS_Hours = TimeSpan.FromDays(3640);
@@ -144,8 +144,8 @@ CHEATSHEET C#
 
     Format item syntax: {index[,alignment][:format string]}
     index - Specifies element in list of values to which format is applied
-    alignment - Indicates minimum width (in characters) to display value
+    aligment - Indicates minimun width (in characters) to display value
-    format string - Contains the code which specifies the format of the displayed value
+    format string - Contains the code which specififes the format of the displayed value
 
     7.1 Numeric
 
@@ -293,7 +293,7 @@ CHEATSHEET C#
     [access modifier] className (parameters) [:initializer]
 
     initializer -base calls constructor in base class.
-                 this calls constructor within class.
+                 this calls constuctor within class.
 
     public class nameClass : Initializer {
         public className(dataType param1 , dataType param2, ...) : base(param1, param2)
@@ -313,8 +313,8 @@ CHEATSHEET C#
     abstract – must be implemented by subclass
 
     Passing parameters:
-        1. By default, parameters are passed by value
+        1. By default, parametres are passed by value
-        2. Passing by reference: ref, in and out modifiers
+        2. Passing by reference: ref, in and out modifers
 
     To pass a parameter by reference with the intent of changing the value, use the ref, or out keyword. To pass by reference with the intent of avoiding copying but not changing the value, use the in modifier
 

languages/bash.sh

@@ -524,14 +524,14 @@ Cyan='\033[0;36m'   # Cyan
 White='\033[0;97m'  # White
 
 # Additional colors
-LGrey='\033[0;37m'  # Light Gray
+LGrey='\033[0;37m'  # Ligth Gray
 DGrey='\033[0;90m'  # Dark Gray
-LRed='\033[0;91m'   # Light Red
+LRed='\033[0;91m'   # Ligth Red
-LGreen='\033[0;92m' # Light Green
+LGreen='\033[0;92m' # Ligth Green
-LYellow='\033[0;93m'# Light Yellow
+LYellow='\033[0;93m'# Ligth Yellow
-LBlue='\033[0;94m'  # Light Blue
+LBlue='\033[0;94m'  # Ligth Blue
 LPurple='\033[0;95m'# Light Purple
-LCyan='\033[0;96m'  # Light Cyan
+LCyan='\033[0;96m'  # Ligth Cyan
 
 
 # Bold

languages/golang.md

@@ -397,8 +397,8 @@ d, t := doubleAndTriple(5)
 _, t := doubleAndTriple(3)
 // t = 9
 
-// Functions can defer commands. Deferred commands are
+// Functions can defer commands. Defered commands are
-// ran in a stack order after the execution and
+// runned in a stack order after the execution and
 // returning of a function
 var aux = 0
 
@@ -488,7 +488,7 @@ person3.Age // 0
 
 ## Maps
 
-Maps are data structures that holds values assigned to a key.
+Maps are data structures that holds values assigneds to a key.
 
 ```go
 // Declaring a map
@@ -508,7 +508,7 @@ newYork // "EUA"
 // Delete
 delete(cities, "NY")
 
-// Check if a key is set
+// Check if a key is setted
 value, ok := cities["NY"]
 ok // false
 value // ""

languages/java.md

@@ -308,7 +308,7 @@ for(dataType item : array) {
   //Declare a variable, object name
   String s;
 
-  //Invoke a constructor to create an object
+  //Invoke a contructor to create an object
   s = new String ("Hello World");
 
   //Invoke an instance method that operates on the object's value

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.

languages/php.php

@@ -1,8 +1,8 @@
 <?php
 
 // Exit the file, string inside get's echo'ed
-die("This file is not meant to be ran. ¯\_(ツ)_/¯");
+die("This file is not ment to be ran. ¯\_(ツ)_/¯");
-exit("This file is not meant to be ran. ¯\_(ツ)_/¯");
+exit("This file is not ment to be ran. ¯\_(ツ)_/¯");
 
 /**
  * Printing
@@ -17,7 +17,7 @@ var_dump($arr); // Print anything, with type hints for any value and sizes
 $string = 'Awesome cheatsheets';
 
 str_contains($string, 'cheat'); // Find if the string contains the specified string (PHP >= 8.0)
-str_replace('Awesome', 'Bonjour', $string); // Replace all occurrence
+str_replace('Awesome', 'Bonjour', $string); // Replace all occurence
 strcmp($string, 'Awesome cheatsheets'); // Compare two strings
 strpos($string, 'a', 0); // Get position in the string
 str_split($string, 2); // Split the string
@@ -541,7 +541,7 @@ u   Pattern is treated as UTF-8
 \w  Any "word" character (a-z 0-9 _)
 \W  Any non "word" character
 \s  Whitespace (space, tab CRLF)
-\S  Any non whitespace character
+\S  Any non whitepsace character
 \d  Digits (0-9)
 \D  Any non digit character
 .   (Period) - Any character except newline

languages/python.md

@@ -71,7 +71,7 @@
 | import | import libraries/modules/packages | import |
 | from | import specific function/classes from modules/packages | import |
 | try | this block will be tried to get executed | exception handling |
-| except | is any exception/error has occurred it'll be executed | exception handling |
+| except | is any exception/error has occured it'll be executed | exception handling |
 | finally | It'll be executed no matter exception occurs or not | exception handling | 
 | raise | throws any specific error/exception | exception handling |
 | assert | throws an AssertionError if condition is false | exception handling |

languages/typescript.sh

@@ -0,0 +1,227 @@
+# *****************************************************************************
+# Introduction to TypeScript
+# *****************************************************************************
+
+# What is TypeScript?
+# TypeScript is a strongly typed programming language that builds on JavaScript, giving you better tooling at any scale.
+# It's a superset of JavaScript, which means all JavaScript code is valid TypeScript, but TypeScript has additional features like static typing, interfaces, and generics.
+
+# Why Use TypeScript?
+# - Provides type safety on top of the JavaScript, reducing runtime errors.
+# - Makes the code more readable and maintainable.
+# - Offers great tooling support with IntelliSense in popular editors.
+# - Facilitates easier refactoring and debugging.
+
+# *****************************************************************************
+# Installing TypeScript
+# *****************************************************************************
+
+# Prerequisites:
+# - Ensure Node.js is installed on your system. If not, download and install it from https://nodejs.org/
+
+# Installation:
+# - TypeScript can be installed as a Node.js package globally or in your project using npm (Node Package Manager).
+# - To install TypeScript globally, use the following command in your terminal:
+npm install -g typescript
+
+# Checking Installation:
+# - To verify that TypeScript has been installed correctly, you can check its version:
+tsc --version
+
+# Compiling TypeScript to JavaScript:
+# - Once installed, you can compile .ts files to .js using the TypeScript compiler. For example:
+tsc hello.ts
+
+# *****************************************************************************
+# Basic Syntax and Data Types
+# *****************************************************************************
+
+// Boolean type
+let isDone: boolean = false;
+
+// Number type
+let decimal: number = 6;
+
+// String type
+let color: string = "blue";
+
+// Array type
+let list: number[] = [1, 2, 3];
+
+// Tuple type
+let tuple: [string, number] = ["hello", 10];
+
+// Enum type
+enum Color { Red, Green, Blue }
+
+// Any type
+let notSure: any = 4;
+
+// Void type
+let unusable: void = undefined;
+
+// Null and Undefined
+let u: undefined = undefined;
+let n: null = null;
+
+# *****************************************************************************
+# Functions
+# *****************************************************************************
+
+// Function with no return type
+function warnUser(): void { /* ... */ }
+
+// Function with return type
+function buildName(firstName: string, lastName: string): string { /* ... */ }
+
+// Function with optional parameters
+function buildNameOptional(firstName: string, lastName?: string): string { /* ... */ }
+
+// Function with default parameters
+function buildNameDefault(firstName: string, lastName = "Smith"): string { /* ... */ }
+
+# *****************************************************************************
+# Interfaces
+# *****************************************************************************
+
+// Simple interface
+interface LabelledValue {
+    label: string;
+}
+
+// Function in an interface
+interface SearchFunc {
+    (source: string, subString: string): boolean;
+}
+
+// Indexable types
+interface StringArray {
+    [index: number]: string;
+}
+
+// Class types in interfaces
+interface ClockInterface {
+    currentTime: Date;
+    setTime(d: Date): void;
+}
+
+# *****************************************************************************
+# Classes
+# *****************************************************************************
+
+// Basic class
+class Greeter {
+    greeting: string;
+    constructor(message: string) { this.greeting = message; }
+    greet() { return "Hello, " + this.greeting; }
+}
+
+// Inheritance
+class Animal {
+    move(distanceInMeters: number = 0) { /* ... */ }
+}
+class Dog extends Animal {
+    bark() { /* ... */ }
+}
+
+// Class with interfaces
+class Clock implements ClockInterface {
+    currentTime: Date = new Date();
+    setTime(d: Date) { this.currentTime = d; }
+}
+
+# *****************************************************************************
+# Advanced Types
+# *****************************************************************************
+
+// Union types
+function padLeft(value: string, padding: string | number) { /* ... */ }
+
+// Intersection types
+interface BusinessPartner {
+    name: string;
+    credit: number;
+}
+type Contact = BusinessPartner & { email: string };
+
+// Type guards
+function isFish(pet: Fish | Bird): pet is Fish { /* ... */ }
+
+// Nullable types
+function f(sn: string | null): string { /* ... */ }
+
+// Type Aliases
+type NameOrNameArray = string | string[];
+
+// Generics
+function identity<T>(arg: T): T { return arg; }
+
+# *****************************************************************************
+# Enums and Namespaces
+# *****************************************************************************
+
+// Numeric enums
+enum Direction { Up = 1, Down, Left, Right }
+
+// String enums
+enum Response { No = "NO", Yes = "YES" }
+
+// Namespaces
+namespace Validation {
+    export interface StringValidator {
+        isAcceptable(s: string): boolean;
+    }
+}
+
+# *****************************************************************************
+# Modules
+# *****************************************************************************
+
+// Importing modules
+import { moduleName } from "module";
+
+// Exporting from modules
+export function someFunction() { /* ... */ }
+
+// Default exports
+export default class SomeType { /* ... */ }
+
+# *****************************************************************************
+# Decorators
+# *****************************************************************************
+
+// Class decorator
+function sealed(constructor: Function) { /* ... */ }
+
+// Method decorator
+function enumerable(value: boolean) {
+    return function (target: any, propertyKey: string, descriptor: PropertyDescriptor) { /* ... */ };
+}
+
+// Accessor decorator
+function configurable(value: boolean) { /* ... */ }
+
+# *****************************************************************************
+# Type Assertions
+# *****************************************************************************
+
+let someValue: any = "this is a string";
+let strLength: number = (someValue as string).length;
+
+# *****************************************************************************
+# Miscellaneous
+# *****************************************************************************
+
+// Type inference
+let x = 3; // `x` will be inferred as `number`
+
+// Type compatibility
+interface Named {
+    name: string;
+}
+let x: Named;
+let y = { name: "Alice", location: "Seattle" };
+x = y; // OK
+
+// Ambient declarations
+declare var $: JQuery;

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