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How To Rescue Virtual Machines With Virt-rescue

This brief guide describes what Virt-rescue is, and how to rescue virtual machines with Virt-rescue command line utility in Linux operating systems.
The post How To Rescue Virtual Machines With Virt-rescue appeared first on Linux Today.

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Boeing joins the ELISA Project as a Premier Member to Strengthen its Commitment to Safety-Critical Applications

The ELISA (Enabling Linux in Safety Applications) Project announced that Boeing has joined as a Premier member, marking its commitment to Linux and its effective use in safety critical applications.

The post Boeing joins the ELISA Project as a Premier Member to Strengthen its Commitment to Safety-Critical Applications appeared first on Linux.com.

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How to Install FreeCAD on Ubuntu 22.04 LTS

FreeCAD is a powerful parametric 3D modeler for various uses, from product design to mechanical engineering and architecture. With parametric modeling, you can easily modify your design by going back into your model history and changing its parameters. In the following tutorial, you will learn how to install FreeCAD on Ubuntu 22.04 LTS Jammy Jellyfish […]

The post How to Install FreeCAD on Ubuntu 22.04 LTS appeared first on Linux Today.

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PySpark radians() and degrees() Functions

Guide on using the radians() function to return the radians and the degrees() function to return the degrees of any given number present in a DataFrame column.

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PySpark desc_nulls_first() and desc_nulls_last() Functions

A guide on dealing with null while sorting the values in a Dataframe using the desc_nulls_first() and desc_nulls_last() functions.

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JavaScript Date getTime() Method

In JavaScript, the getTime() is used to extract the milliseconds from the specified time. This method is applied to the date object.

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How to Use PowerShell Import-CSV Cmdlet

The Import-CSV cmdlet retrieves the data from a CSV file. You can either go for the whole data retrieval, or you can also get the specific data.

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How to Uninstall Java on Windows 10

To uninstall Java on Windows, search for it in “Apps & features” of the System Settings and click on the “Uninstall” button.

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How to Get the Value of Text Input Field Using JavaScript?

In JavaScript, the getElementById and getElementsByClassName methods are utilized to get the value of a text input field by pressing a button.

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How to End a Java Program

To end or terminate a program in Java, we use System.exit() method and a return statement. The most commonly used method is System.exit().

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How to Detect Browser or Tab Closing in JavaScript?

The beforeunload event is triggered to detect the closing of the tab or browser. An example is provided to demonstrate this event in JavaScript.

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How to Convert double to int in Java

To convert double to int in Java, there are three different methods that can be used: Typecasting, Math.round(), and Double.intValue().

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How to Compare chars in Java

To compare Character objects, use compare(), and to compare both primitive chars and Character objects, use equals() method and relational operators.

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How to Check if a Variable Is Not Null in JavaScript?

If-else statements can be used to determine whether a variable is a null variable or not. However, if-else cannot detect other falsy values.

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How to Check a Key Exists in a JavaScript Object?

The “in” operator and the hasOwnPorperty() method of the JavaScript object can be used to find if a specific key exists in an object or not.

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How to Call by Reference in Java

To Call by Reference in Java, pass an argument as a reference in actual parameters, which will be used to refer to the address of a variable.

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Convert String Into a Date Using JavaScript

To convert a string into a date, pass the string in the new Date() constructor of the Date Object in JavaScript. The string should follow ISO format.

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Call Multiple JavaScript Functions in onclick Event

The onclick event is employed to call multiple functions with a single click. These functions are placed in the onclick event of the button type.

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Open-source Acorn Takes a New Approach to Deploy Cloud-Native Apps on Kubernetes

Packaging and then deploying applications to run in cloud-native environments, with the Kubernetes container orchestration system, can be complex. It’s a challenge that Acorn is looking to help solve. There is no shortage of vendors in the Kubernetes s…

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5 Ways to Fix Could not get lock /var/lib/dpkg/lock Error in Ubuntu

A list of various ways to fix the Could not get lock /var/lib/dpkg/lock… error in Ubuntu and related distributions message.
The post 5 Ways to Fix Could not get lock /var/lib/dpkg/lock Error in Ubuntu appeared first on Linux Today.

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