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Showing posts from May, 2020

Decimal to Binary

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Level MEDIUM Given a decimal number (integer N), convert it into binary and print. The binary number should be in the form of an integer. Note : The given input number could be large, so the corresponding binary number can exceed the integer range. So you may want to take the answer as long for CPP and Java. Input format : Integer N Output format : Corresponding Binary number (long) Constraints : 0 <= N <= 10^5 Sample Input 1 : 12 Sample Output 1 : 1100 Sample Input 2 : 7 Sample Output 2 : 111
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Binary to decimal

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Level EASY Given a binary number as an integer N, convert it into decimal and print. Input format : An integer N in the Binary Format Output format : Corresponding Decimal number (as integer) Constraints : 0 <= N <= 10^9 Sample Input 1 : 1100 Sample Output 1 : 12 Sample Input 2 : 111 Sample Output 2 : 7
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Reverse of a number

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Level EASY Write a program to generate the reverse of a given number N. Print the corresponding reverse number. Note : If a number has trailing zeros, then its reverse will not include them. For e.g., reverse of 10400 will be 401 instead of 00401. Input format : Integer N Output format : Corresponding reverse number Constraints: 0 <= N < 10^8 Sample Input 1 : 1234 Sample Output 1 : 4321 Sample Input 2 : 1980 Sample Output 2 : 891
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Terms of AP

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Level EASY Write a program to print first x terms of the series 3N + 2 which are not multiples of 4. Input format : Integer x Output format : Terms of series (separated by space) Constraints : 1 <= N <= 1,000 Sample Input 1 : 10 Sample Output 1 : 5 11 14 17 23 26 29 35 38 41 Sample Input 2 : 4 Sample Output 2 : 5 11 14 17
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Sum or Product

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 Level EASY Write a program that asks the user for a number N and a choice C. And then give them the possibility to choose between computing the sum and computing the product of all integers in the range 1 to N (both inclusive). If C is equal to - 1, then print the sum 2, then print the product Any other number, then print '-1' (without the quotes) Input format : Line 1 : Integer N Line 2 : Choice C Output Format : Sum or product according to user's choice Constraints : 1 <= N <= 12 Sample Input 1 : 10 1 Sample Output 1 : 55 Sample Input 2 : 10 2 Sample Output 2 : 3628800 Sample Input 3 : 10 4 Sample Output 3 : -1
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MySQL Multi Source Master Slave Replication using GTID

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We are using GTID-based master-slave replication. In this replication, both master and slave should have the same GTID. This blog post aims to provide a step-by-step guide to help you set up MySQL Replication using GTIDs and help you replicate your MySQL data with ease. Prerequisite Master Source 1 Channel name:  DEVELOPMENT Database: mydb1 Enable Replication For Tables testing1 testing2 testing3 Mysql Server Running: 192.168.0.201:3307 Master Source 2 Channel name:  PRODUCTION Database: mydb1 Enable Replication For Tables testing4 testing5 testing6 Mysql Server Running: 192.168.0.201:3308 Slave Mysql Server Running: 192.168.0.209:3306 Configuration of  masters(192.168.0.201:3307/192.168.0.201:3308) and slave (192.168.0.209:3306) my.cnf config for master (192.168.0.201:3307) my.cnf config for master (192.168.0.201:3308) my.cnf config for slave (192.168.0.209:3306) Steps for taking a dump and restoring it Run the following commands in both masters 192.168.0.201:3307 and 1...
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Access and modify all the resources of our Wiki.js using WikiJS API

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Hi everyone 😎 , Today we are going to see how to access or modify WikiJS resources using WikiJS API. WikiJS exposes GraphQL API to access and modify the stuff according to our requirements. So In this blog post, we going to see  How to set up WikiJS's local environment using docker. How to generate an API token in Wikijs. Using API tokens how to access WikiJS resources and how to modify them. First Local Setup using docker Here I am using docker to set up my local isolated WikiJS environment. Below is my docker-compose.yml file written by WikiJS contributors. To build the WikiJS environment we just need to run the following command  docker-compose up -df  [PATH_OF_DOCKER_COMPOSE_YML_FILE] To check the environment is in a running state run the following command docker ps Second Generate API token After setup our local environment we are ready to create our initial Administrator account in our WikiJS. 1. On the browser type localhost:80 2. Create an Administrator acco...
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How to pass parameters in webhook?

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Hey everyone 😊, Today I want to share another interesting thing which I found in StackOverflow and that is how to pass parameters in webhook. Those who don't know about webhook I advise you to google about it before going further reading.  So for demonstration purpose, I am going to use Jenkins and Generic Webhook plugin . I created a job and called it testing  and select Generic Webhook  Trigger . Thereafter I add Request Parameter   and in the request parameter I added the name of the request which is name Thereafter I added a token to specify that this job can only be triggered. After this, I select Execute Shell from Build  and write the following code  After doing this add webhook URL in bitbucket repository or  GitHub repository with the parameter. The URL is look something like this  Webhook URL:- https://[YOUR_JENKINS_URL]/generic-webhook-trigger/invoke?token=trigger&name=Svastikkka  The configuration will something like this ...
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