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1. Top results related to what should i know before writing a shell script to start

   • What should I know about C# before walking into an interview for a .NET job?

     Top Answer

     Answered Mar 02, 2009 · 7 votes

     They are likely going to ask you questions that are based more on Object Oriented Design and Programming more than questions that are explicitly geared towards C#. So if you can explain abstraction, polymorphism, interfaces, etc. You should be good to go.

     Other Answers

     Answered Mar 02, 2009 · 7 votes

     Reference vs value types.

     Other Answers

     Answered Mar 02, 2009 · 5 votes

     Know your delegates. Every .Net interview I've been on has asked me about delegates. Know why they exist, know how to declare them, and how to consume them, understand what multicast delegate is. Understand how to use a multicast delegate when one of the handlers throws an exception. Know what the compiler does with a delegate. Understand how delegates can give you "automatic" asynchronous APIs. Get familiar with the newer more convenient generic delegates - Action and Func.

     Bonus: delegates vs events. What are the differences? When would you use one over the other?

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     1/5

   • What should I set my "start" script to in NPM package.json?

     Top Answer

     Answered Nov 10, 2018 · 3 votes

     please try to write start inside scripts by giving a path to your server file.

     "start": "node ./index.js",

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     2/5

   • What should I know before learning Spring?

     Top Answer

     Answered Oct 14, 2011 · 16 votes

     Spring is a monster. It all depends on what part of Spring you are interested in. A good starting point would be the Dependency Injection container, which requires none of the technologies that you are unfamiliar with (the ones from your question).

     If you are interested in learning Spring MVC (which it sounds like you might be based on the technologies you mention), I would recommend learning the basics in these (again from your question):

     • Servlets
     • JSP
     • Tomcat (or another web application container)

     For Spring MVC I would also look at the idea of RESTful web services.

     You can find a (likely) comprehensive list of Spring projects at this link.

     Check all answers on Stack Overflow

     3/5

   • What should I know before learning Node? ( Prerequisites )

     Top Answer

     Answered Oct 31, 2019 · 2 votes

     As you might already know that Node is a Server-Side language rather than how traditional JavaScript runs on the Client Side. With that being said you might want to understand, how V8 engine works and what event loop is, because that's the building block of Node.js

     Next you might want to understand what async await,promises and callback functions are and how you can implement it within your solution.

     After learning about those, you might want to get into Middlewares beacuse 99.99% of the time you would be using one most commonly used are (express, restify)

     You might look a bit into NPM (Node Package Manager). Don't let Packages intimidate you because there are 100's and 1000's of packages out there for every need but you pick one according to yours and use it, make sure if you have good knowledge of JavaScript you can do anything.

     As you already mention you have good understanding of JavaScript, might I suggest brushing up on some JavaScript concepts like High Order Array Methods.

     There are 100's of tutorial out there where you can learn Node.js, Might I suggest Traversy Media, one of my favorite YouTube channel to learn.

     P.S- I'm not expert in Node.js at all, I'm still learning but this is the path I took and it worked out great for me, please suggest any changes or things any one else want's to add. I'll also try to edit and add some points as I recall them.

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     4/5

   • I am trying to write a shell script to read username from a file, but it is not working. I am posting script I am writing and output

     Top Answer

     Answered Jan 30, 2020 · 0 votes

     You just have to get the input for the do loop right:

     #!/bin/bashif [ -f "$1" ]then for user in $(cat "$1") do useradd "$user" doneelse echo "input is not a file"fi

     Remarks: this works for reading out a file word-by-word and I tried to keep your structure.

     For reading out files line by line this is an elegant way: https://stackoverflow.com/a/4642213/2819581

     Check all answers on Stack Overflow

     5/5

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2. www.howtogeek.com · 67469 · the-beginners-guide-toThe Beginner's Guide to Shell Scripting: The Basics - How-To Geek

   www.howtogeek.com · 67469 · the-beginners-guide-to

   

   Sep 29, 2015 · Before we begin our scripting series, let's cover some basic information. We'll be using the bash shell, which most Linux distributions use natively. Bash is available for Mac OS users and Cygwin on Windows, too. Since it's so universal, you should be able to script regardless of your platform.

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4. stackoverflow.com · questions · 8967902Why do you need to put #!/bin/bash at the beginning of a ...

   stackoverflow.com · questions · 8967902

   

   Jan 23, 2012 · Adding #!/bin/bash as the first line of your script, tells the OS to invoke the specified shell to execute the commands that follow in the script. #! is often referred to as a "hash-bang", "she-bang" or "sha-bang".

5. www.freecodecamp.org · news · shell-scripting-crashShell Scripting for Beginners – How to Write Bash Scripts in ...

   www.freecodecamp.org · news · shell-scripting-crash

   

   Mar 31, 2022 · In this article, you will learn: What is a bash shell? What is a bash script and how do you identify it? How to create your first bash script and execute it. The basic syntax of shell scripting. How to see a system's scheduled scripts. How to automate scripts by scheduling via cron jobs. The best way to learn is by practicing.

6. www.gauchocode.com · mastering-bash-i-our-first-scriptWriting your first Bash script: Best practices and examples

   www.gauchocode.com · mastering-bash-i-our-first-script

   

   Apr 20, 2023 · Bash scripting is a valuable skill that can help you automate tasks and manage system configurations. With the steps and example provided in this blog post, you should be able to write your first Bash script and start exploring the power of Bash scripting.

7. linuxconfig.org · writing-your-own-first-bashWrite first bash script - LinuxConfig

   linuxconfig.org · writing-your-own-first-bash

   

   May 12, 2022 · Since we are writing a shell script, we can choose from a number of shells to interpret our commands available on the Linux system, however in our case we choose the default shell, Bash ( Bourne-again shell ). First, let’s locate our Bash shell interpreter using the which command to reveal a location of Bash interpreter on your system: $ which bash

8. medium.com · @jesse · better-shell-scriptsWriting my first shell script | Linux Fundamentals | by Jesse ...

   medium.com · @jesse · better-shell-scripts

   

   May 11, 2020 · The best beginner guide when you decide to write your first shell script. Make the shell script executable with a shebang and file permissions.

9. itsfoss.com · bash-scripting-tutorialBash Scripting Tutorial for Beginners - It's FOSS

   itsfoss.com · bash-scripting-tutorial

   

   Jul 4, 2023 · Get acquainted with bash scripting in this mega tutorial for beginners. Shell is the core part of Linux. It allows you to interact with the Linux kernel by using various commands like cd, ls, cat etc. Bash is one of the many available shells for Linux.