13 which of the following is valid advice for naming variables? With Video

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[Solved] Paying attention to the important properties while ignoring [1]

Paying attention to the important properties while ignoring inessential details is known as ______.. – Data abstraction is one of the most important features in the object-oriented programming language.
– For example, the user does know about the operations of the clatch, break, and accelerator of a car but does not aware of the inner mechanism.. – Access specifier is playing an important role when the data abstraction method is implemented in the object-oriented program.
– The private access specifier can be accessed only within the class and it is not accessible from anywhere of the program.. The result for the same was announced on 17th Feb 2023

Understanding Array Subscripts [2]

You can use subscripts to either to retrieve the value of one or more array elements or to designate array elements to receive new values. The expression arr[12] denotes the value of the 13th element of arr (because subscripts start at 0), while the statement arr[12] = 5 stores the number 5 in the 13th element of arr without changing the other elements.
IDL’s convention is that for generic arrays and images, the first subscript denotes the column and the second subscript denotes the row. In standard mathematical representation (linear algebra, for example), the convention is reversed: the first subscript denotes the row and the second subscript denotes the column.
The elements are ordered in memory as: A0,0, A1,0, A0,1, A1,1, A0,2, A1,2. For more information on how IDL arranges multidimensional data in memory, see Columns, Rows, and Array Majority

Python Post-Test Exam Review [3]

Visual Basic, C++, and Java are all examples of computer. The most important task of a compiler or interpreter is to
Which of the following is temporary, internal storage?. Which of the following pairs of steps in the programming process in the correct order?
A programmer’s most important task before planning the logic of a program is to. The two most commonly used tools for planning a program’s logic are

Naming convention (programming) [4]

In computer programming, a naming convention is a set of rules for choosing the character sequence to be used for identifiers which denote variables, types, functions, and other entities in source code and documentation.. Reasons for using a naming convention (as opposed to allowing programmers to choose any character sequence) include the following:
– To enable code reviews to focus on issues more important than syntax and naming standards.. – To enable code quality review tools to focus their reporting mainly on significant issues other than syntax and style preferences.
Colloquially, this is said to be a matter of dogma.[2] Many companies have also established their own set of conventions.. Benefits of a naming convention can include the following:

KS3 Computer Science Revision [5]

Programming is writing computer code to create a program, in order to solve a problem. To program a computer, you need to know how programs are constructed.
It is important to use meaningful names for variables:. pocketMoney = 20 means that the variable ‘pocketMoney’ is being used to store how much pocket money you have
Consider these example variable names, all of which could be variable names to store the length of a side of a square:. This Python (3.x) program uses two meaningful names when calculating the perimeter of a square:

PEP 8 – Style Guide for Python Code [6]

– Guido van Rossum , Barry Warsaw , Nick Coghlan . – A Foolish Consistency is the Hobgoblin of Little Minds
Please see the companion informational PEP describing style guidelines for the C code in the C implementation of Python.. This document and PEP 257 (Docstring Conventions) were adapted from Guido’s original Python Style Guide essay, with some additions from Barry’s style guide [2].
Many projects have their own coding style guidelines. In the event of any conflicts, such project-specific guides take precedence for that project.

Google JavaScript Style Guide [7]

This document serves as the complete definition of Google’s coding standards for source code in the JavaScript programming language. A JavaScript source file is described as being in Google Style if and only if it adheres to the rules herein.
However, this document focuses primarily on the hard-and-fast rules that we follow universally, and avoids giving advice that isn’t clearly enforceable (whether by human or tool).. The term comment always refers to implementation comments
This Style Guide uses RFC 2119 terminology when using the phrases must, must not, should, should not, and may. The terms prefer and avoid correspond to should and should not, respectively

Storing the information you need — Variables – Learn web development [8]

After reading the last couple of articles you should now know what JavaScript is, what it can do for you, how you use it alongside other web technologies, and what its main features look like from a high level. In this article, we will get down to the real basics, looking at how to work with the most basic building blocks of JavaScript — Variables.
If you are using a desktop browser, the best place to type your sample code is your browser’s JavaScript console (see What are browser developer tools for more information on how to access this tool).. A variable is a container for a value, like a number we might use in a sum, or a string that we might use as part of a sentence.
const buttonA = document.querySelector(“#button_A”); const headingA = document.querySelector(“#heading_A”); buttonA.onclick = () => { const name = prompt(“What is your name?”); alert(`Hello ${name}, nice to see you!`); headingA.textContent = `Welcome ${name}`; };. The first line pops a box up on the screen that asks the reader to enter their name, and then stores the value in a variable

10 JavaScript Naming Conventions Every Developer Should Know [9]

Following standard naming conventions increases readability and makes it easier to understand your code. However, many developers are not aware of how to use naming conventions correctly, and sometimes they make things complicated.
For example, you can define three unique variables to store a dog name, as follows.. var DogName = ‘Scooby-Doo’; var dogName = ‘Droopy’; var DOGNAME = ‘Odie’; console.log(DogName); // “Scooby-Doo” console.log(dogName); // “Droopy” console.log(DOGNAME); // “Odie”
You can use the camel case naming convention for all types of variables in JavaScript, and it will ensure that there aren’t multiple variables with the same name.. // bad var dogname = ‘Droopy’; // bad var dog_name = ‘Droopy’; // bad var DOGNAME = ‘Droopy’; // bad var DOG_NAME = ‘Droopy’; // good var dogName = ‘Droopy’;

Rules of naming variables [10]

This article describes the standards that apply to variable names. All of the listed recommendations are mandatory unless noted otherwise.
Create variable names by deleting spaces that separate the words. Capitalize each word in the name, including prepositions and pronouns that consist of a single letter.
Do not use variable names that consist of a single character. Short variable names are only allowed for loop counters.

Using Variables — Ansible Documentation [11]

Ansible uses variables to manage differences between systems. With Ansible, you can execute tasks and playbooks on multiple different systems with a single command
You can define these variables in your playbooks, in your inventory, in re-usable files or roles, or at the command line. You can also create variables during a playbook run by registering the return value or values of a task as a new variable.
The ansible-examples github repository contains many examples of using variables in Ansible.. Once you understand the concepts and examples on this page, read about Ansible facts, which are variables you retrieve from remote systems.

Tips for Writing Effective Variable Names [12]

“I read in a book once that a rose by any other name would smell as sweet, but I’ve never been able to believe it. I don’t believe a rose would be as nice if it was called a thistle or a skunk cabbage.” — Anne of Green Gables
It’s tedious, it can be difficult, and, for the most part, it has no impact on whether or not your code runs. The computer doesn’t care what you name your variables, so why should you?
Naming your variables and functions with purpose and clarity goes a long way in making the code review process smoother for everybody involved. As Bob Nystrom writes, “good names alone don’t make a good design, but it’s been my experience that crappy names do prevent one.”

Best practices for writing code comments [13]

note: While we take some time to rest up over the holidays and prepare for next year, we are re-publishing our top ten posts for the year. Please enjoy our favorite work this year and we’ll see you in 2022.]
Compilers and interpreters ignore comments and find all syntactically correct programs equally easy to understand. We find some programs harder to understand than others, and we look to comments to help us make sense of them.
While it’s easy to measure the quantity of comments in a program, it’s hard to measure the quality, and the two are not necessarily correlated. – Writing and then maintaining comments is an expense.

which of the following is valid advice for naming variables?
13 which of the following is valid advice for naming variables? With Video


  1. https://testbook.com/question-answer/paying-attention-to-the-important-properties-while–628cb1cdab36f7b3b1885aaa#:~:text=The%20correct%20answer%20is%20an%20abstraction.&text=Data%20abstraction%20is%20one%20of,is%20hidden%20from%20the%20user.
  2. https://www.nv5geospatialsoftware.com/docs/Understanding_Array_Subs.html#:~:text=If%20an%20attempt%20is%20made,occurs%20and%20program%20execution%20stops.
  3. https://freezingblue.com/flashcards/358069/preview/python-post-test-exam-review
  4. https://en.wikipedia.org/wiki/Naming_convention_(programming)
  5. https://www.bbc.co.uk/bitesize/guides/zwmbgk7/revision/3
  6. https://peps.python.org/pep-0008/
  7. https://google.github.io/styleguide/jsguide.html
  8. https://developer.mozilla.org/en-US/docs/Learn/JavaScript/First_steps/Variables
  9. https://www.syncfusion.com/blogs/post/10-javascript-naming-conventions-every-developer-should-know.aspx
  10. https://1c-dn.com/library/rules_of_naming_variables/
  11. https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_variables.html
  12. https://medium.com/@ConnorFinnegan/tips-for-writing-effective-variable-names-ed869a4cfa9e
  13. https://stackoverflow.blog/2021/12/23/best-practices-for-writing-code-comments/
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