(This guide is meant for beginners. If you have solved 100+ problems and are looking for guidance on how to solve problems involving algorithms and data structures, this document is not for you.)
Competitive Programming is an interesting activity which mixes problem solving with programming. It is not only enjoyable but also very demanded in placements. Competitive programming will make you very good at writing efficient programs quickly.
| package com.android.akashgudadhe.dreamproject; | |
| import java.util.ArrayList; | |
| import com.android.akashgudadhe.dreamproject.MainClass; | |
| import sun.applet.Main; | |
| public class Pattern1 { | |
| public static void displaySession2() | |
| { |
| /* | |
| DOWNLOAD OFFICIAL MONGODB DRIVER USING | |
| npm install mongodb | |
| */ | |
| var MongoClient = require('mongodb').MongoClient; | |
| var url = "mongodb://localhost:27017"; | |
| MongoClient.connect(url, function(err, db) { | |
| if (err) throw err; |
| /* | |
| FOR INSTALLING OFFICIAL MYSQL DRIVER | |
| npm install mysql | |
| */ | |
| var mysql = require('mysql'); | |
| //For Configuration | |
| var connection = mysql.createConnection({ | |
| host: "localhost", |
A Pen by Akash Wamanrao Gudadhe on CodePen.
| <!-- Front End for Tic Tac Toe game--> | |
| <html> | |
| <head> | |
| <title>Tic Tac Toe Board</title> | |
| <link rel="stylesheet" type="text/css" href="style.css"> | |
| </head> | |
| <body> | |
| <table> | |
| <tr> | |
| <td></td> |
| <!-- :invalid demo in css --> | |
| <html> | |
| <head> | |
| <title>Invalid Input</title> | |
| <link rel="stylesheet" type="text/css" href="style.css"> | |
| </head> | |
| <body> | |
| <form action="#"> | |
| <input type="text" id="username" name="username" required> | |
| <input type="submit" value="Submit"> |
| 1. Validation using css | |
| elementName:invalid{ | |
| //action to be performed | |
| } | |
| 2. Validation using HTML5 pattern attribute | |
| It uses regular expression | |
| 3. minlenght, maxlength parameter or using javascript setCustomValidity() method |
| import csv | |
| from re import search | |
| #example_sent2 = "Sunset is the time of day when our sky meets the outer space solar winds. There are blue, pink, and purple swirls, spinning and twisting, like clouds of balloons caught in a whirlwind. The sun moves slowly to hide behind the line of horizon, while the moon races to take its place in prominence atop the night sky. People slow to a crawl, entranced, fully forgetting the deeds that must still be done. There is a coolness, a calmness, when the sun does set..XYZ, Example Exports as my Post Office Box 924 Yavatmal - 445001 INDIA.Ram is a very good student." | |
| pin = [] | |
| ct = [] | |
| #for loading csv file into list | |
| with open('pincode_final.csv',"r") as csvfile: | |
| csv_f = csv.reader(csvfile) |