T Mobile Hiring Process: How to Land a Job at T Mobile in 2023
T Mobile jobs are favored by employees because of their attractive salaries and benefits packages. Thanks to its reputation, employee satisfaction rate, and quality customer service, working at T Mobile is an indirect platform to learn professional development. Understanding the T Mobile hiring process can give you an advantage if your goal is to land…
How to Learn Data Warehousing
There are several methods to learn data warehousing, including self paced and classroom oriented. This article covers the books and training programs you need to independently learn data warehousing. What is Data Warehousing? A data warehouse is a central location where consolidated information from various databases are held. It is maintained separately from a company’s…
Computer Engineering: Courses, Training, and Other Resources
How to Learn Computer Engineering The field of computer engineering produces essential everyday items society relies on everyday, from mobile phones to routers. Embarking on a journey in this field as a career can be challenging, but you can gain an introduction to this discipline to learn whether or not it is for you with…
Microsoft Azure: Courses, Training, and Other Resources
Microsoft Azure is a cloud computing service used by many companies, developers, and engineers for testing, building, deploying, and managing applications. Cloud computing is the delivery of computing services like databases and software. An example of an everyday cloud computing service is email. People, companies, and governments use cloud computing services like Azure because it…
How to Fix the Remote ‘updates were rejected’ Git Error
The Git error “updates were rejected because the remote contains work that you do not have locally” is triggered when you initialize a new Github repo with a readme file or a license. This article dives into the solutions to this error so new updates from local machines can be pushed into the Github repository.…
Error: the Following Untracked Working Tree Files Would Be Overwritten by Merge
The error above is often triggered when we do not clone the repository we are trying to pull from. The projects may be identical, but we may be working on one locally while trying to pull it from the repo on Github because it may have other files or features we’d like to incorporate on…
JavaScript Format Currency (intl.numberformat)
In JavaScript, the Intl.NumberFormat() method is used to specify a currency we want a number to represent. The method is a constructor that can be used to format currency in its style property. This article states how we use the Intl.NumberFormat() to achieve this, as well as show some example code. Breaking Down the Constructor…
Python SyntaxError: Invalid Syntax
Syntax are rules that dictate how programming languages should be written. Each language has its own set of syntax rules different from others. We can think of them like grammar or punctuation in spoken languages. The question mark in English (?) differs from the question mark in Greek (;). You can deduce that when you…
Python Algorithms
Algorithms are well defined instructions used to solve problems. Imagine you live on the second floor of a building and you needed to give yourself instructions to check your mail. Your algorithm would look something like this: stand_up() find_mailbox_key() take_mailbox_key() go_to_front_door() open_front_door() exit_apartment() close_front_door() go_down_stairs() go_to_front_door() open_front_door() exit_building() close_front_door() find_mailbox() unlock_mailbox_with_mailbox_key() open_maibox() check_for_mail() Notice that…
Is Python Object Oriented
What is Object-Oriented Programming? Object-oriented programming (OOP) is a paradigm or design that allows us to model concepts as objects and define the relationships between the objects. The paradigm focuses on the objects developers want to manipulate, instead of the logic required to manipulate them. An object in OOP is defined as a data field…
JavaScript SyntaxError
Syntax are rules that dictate how programming languages should be written. Each language has its own set of syntax rules different from others. We can think of them like grammar or punctuation in spoken languages. The question mark in English (?) differs from the question mark in Greek (;). You can deduce that when you…
JavaScript ReferenceError
In JavaScript, a reference error is thrown when a code attempts to reference a non-existing variable. In this article, we will dive into the most common types of reference error triggers and how to fix them. Common Reference Errors According to JavaScript web docs, there are six different types of reference errors, with variations of…
What is the Javascript DOM?
The JavaScript Document Object Model (DOM) is a representation of the HTML elements of a webpage. It is an interface we can use to manipulate a web page by changing its content or style. We can access the DOM by right clicking on a webpage and selecting ‘inspect’. By doing this, a section should appear…
JavaScript TypeError
In JavaScript, a TypeError is an object that represents an error as a result of doing an operation that cannot be performed, usually because a value in an operation is not of the expected type. But what are types? According to the latest version of the JavaScript specifications, ECMAScript, there are nine data and structural…
Python Data Structures
Data structures are essential in programming. They are used to organize, store, and manage data in a way that is efficient to access and modify. Imagine doing your weekly load of laundry. Ideally, you separate socks, tees, trousers, and delicates in separate drawers for easy access in the morning before heading out. You are getting…
Typeerror: Cannot Read Property ‘length’ of Undefined
The .length property in JavaScript has many different use cases. It can be used to: Indicate the number of parameters expected by a function with function.length.Return the number of elements inside of an array with Array.prototype.length.Find out the number of arguments passed into a function with arguments.length.Determine the number of characters inside of a string.…
Converting Circular Structure to JSON
A circular structure is an object that references itself. In the example below, we are referencing the object (obj) as a value for the location key. let obj = { name: "John", age: 23, gender: "Male", location: obj } Like XML, JSON (JavaScript Object Notation) is used for storing and exchanging data. JSON is much…
Cannot Read Property ‘addeventlistener’ of Null
The method addEventListener() is used in conjunction with EventTarget, which is a Document Object Model (DOM) implementation that can receive events like click, mouseover, submit, keydown, drag, and more. Events can be thought of as the interaction a user has with the web page or document. Unlike the value of undefined, the null value can…
JavaScript TypeError Cannot Read Property ‘style’ of Null
A typeerror is thrown when a value is not of the expected type. Unlike the value of undefined, the null value can be unintentionally assigned a value developers code into their program. The error represents the absence of any value or object. The value is primitive and falsy. The style property is used to get…
Uncaught Typeerror: $ Is Not a Function
The $ sign in jQuery is a syntax commonly used as a shortcut to access or define a JavaScript library. The code below illustrates that invoking the $ sign or the jQuery method results in all the <p> tags in a document. In other words, $() and jQuery() are strictly equal methods. var getAllParagraphTags =…
