This article aims to explain and demo 71 frequently used commands for platform engineering. Checkout if you missed any in your toolbox. Let’s dive in… 1. ls — list directory contents $ ls $ Desktop Documents Downloads Music Pictures Public Templates Videos 2. cd — change directory #change to Desktop directory $ cd Desktop #change to parent directory $ cd .. 3. pwd — print name of current/working directory

This article aims to guide curious ones like you, techy or non-techy gaining easy wifi access anywhere you go with python. Let’s dive in… 1. Dependency pywifi pywifi provides a cross-platform Python module for manipulating wireless interfaces. Easy to use; Supports Windows and Linux. 2. Construct a wifi dictionary Including numbers (0–9), letters (a-z, A-Z), special characters (!@#$%^&*()_+=-) …

Let’s dive in… use #define /* Defining a macro called `MAX` that is equal to `100`. */ #define MAX 100 /* Defining a macro called `MAX` that takes two arguments, `a` and `b`, and returns the larger of the two. */ #define MAX(a, b) ((a) > (b) ? (a) : (b)) /* Defining a macro…

Let’s dive in… Linked List #include <stdio.h> #include <stdlib.h> #include <string.h> struct node { int data; struct node *next; }; int main() { struct node *head = NULL; struct node *current = NULL; /* Allocating memory for the head node. */ head = (struct node *)malloc(sizeof(struct node)); if (head == NULL) { return (1); } /* Initializing the…

Let’s dive in… 1. Column operations SELECT MAX(column_name) FROM hacks -- find the maximum value in a column SELECT MIN(column_name) FROM hacks -- find the minimum value in a column SELECT SUM(column_name) FROM hacks -- find the sum of all values in a column SELECT AVG(column_name) FROM hacks -- find the average of all values in…

1. Singleton Singleton is a creational design pattern, which ensures that only one object of its kind exists and provides a single point of access to it for any other code. class Singleton { private static instance: Singleton; private constructor() {} static getInstance() { if (!Singleton.instance)…

Let’s dive in… 1. Different/Common Element in Two List /* Find Elements in One List but Not in Another */ val list1 = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10) val list2 = listOf(1, 2, 3) val list3 = list1.filter { it !in list2 } /* Find Elements in Both Lists */ val list3 = list1.filter { it…

Let’s dive in… Let’s import the dependencies first import java.net.URL; import java.nio.file.Files; import java.nio.file.Paths; import java.text.MessageFormat; import java.util.Arrays; import java.util.Collections; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.stream.Collectors; import java.util.stream.IntStream; import java.util.stream.Stream; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.Document; …