Jennifer Fraser

How to change a table name using an SQL query?

Renaming a table in SQL is a common task when you want to update your database schema without losing data. Most SQL databases provide a straightforward way to change a table name using a specific query. Basic Syntax to Rename a Table: The most widely supported command is: ALTER TABLE old_table_name RENAME TO…

SQL Server

Answered May 21, 2025 · 1.2K Views Read answer →

Java - Convert integer to string [duplicate]

Converting an integer to a string in Java is a common task, and there are several ways to do it. If you're wondering how to get it done, here are some simple and effective methods: 1. Using String.valueOf(int) (Recommended) This is one of the most commonly used methods to convert an integer to a string. It’s…

Java

Answered Mar 27, 2025 · 467 Views Read answer →

How can I troubleshoot and resolve the issue of “the import org.openqa cannot be resolved”?

In the context of selenium, here is the example given of how you can design and implement the test cases by using the selenium library in the robot framework for testing a login functionality:- Test cases for successful login:- *** Test Cases *** Successful Login Test Open Browser https://yourwebsite.com chrome Input…

QA Testing

Answered Apr 8, 2024 · 1.5K Views Read answer →

What's the purpose of hashing file?

The point of a hashing file is that if the data changes, the hash changes. So if you know that the hash is correct (i.e. hash(data_you_have) = announced_hash), and if you know that the hash is good (i.e. announced_hash = hash(genuine_data)), then you know that you have the right data (data_you_have = genuine_data). So…

Cyber Security

Answered Oct 20, 2022 · 1.1K Views Read answer →

What can be done if the java jar file could not be launched?

Even though the error message says to check the Console because the java jar file could not be launched, I couldn't find anything useful there. However if you try to run the JAR file from the Terminal you get this error: no main manifest attribute, in ./algs4.jar This error means that the JAR file is missing the…

Java

Answered Oct 6, 2022 · 1.4K Views Read answer →

Push local Git repo to new remote including all branches and tags

To solve git push all branches to remote, use the following command Say, the remote is "origin": $ git push REMOTE '*:*' $ git push REMOTE --allIn order to push all your tags: $ git push REMOTE --tagsAlso, these things can also be done with the help of this single command: $ git push REMOTE --mirrorNote that:…

Python

Answered Jul 15, 2021 · 1.6K Views Read answer →

gitignore pyc - Ignore .pyc files in git repository

Add the following line to the .gitignore file in the root folder of your git repository tree right after repository initialization.: *.pyc Also, in case you forgot to do it beforehand, and you just add the line to the .gitignore file, all previously committed .pyc files will still be tracked, so you'll need to remove…

Devops

Answered Jun 15, 2021 · 7.0K Views Read answer →

Installation/configuration of kubeadm.

Before installing kubeadm there are some prerequisites which need to be taken care of. To make sure that all respective firewall openings are done. To disable selinux/firewalld or respective ip table rule should be created to allow the traffic. To verify the MAC address and product UUID should be unique for every…

Devops

Answered Feb 11, 2020 · 1.8K Views Read answer →

Publishing a custom image.

The custom image can be saved via docker commit which saves the changes into the base image and then docker push is used to upload this image to sdocker hub. NOTE: - Username/password is required to upload the image from docker hub. Docker login Username: Password: In case you don’t have one simply go to docker hub…

Devops

Answered Nov 16, 2019 · 1.4K Views Read answer →