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Christina Kopecky

Technical Writer

Christina is an experienced technical writer, covering topics as diverse as Java, SQL, Python, and web development. She earned her Master of Music in flute performance from the University of Kansas and a bachelor's degree in music with minors in French and mass communication from Southeast Missouri State. Prior to joining the Career Karma team in June 2020, Christina was a teaching assistant, team lead, and section lead at Lambda School, where she led student groups, performed code and project reviews, and debugged problems for students. Christina's technical content is featured frequently in publications like Codecademy, Repl.it, and Educative.

Learn to Code: How to Start Learning Coding
The tech industry has never been bigger, which is why so many people are learning to code. Everything we interact with, from cell phones to cars, relies on technology. There are many ways to learn to code, including coding bootcamps,…
Learn Node.js: Best Courses, Books, and Resources for Learning Node.js
For aspiring backend programmers, learning Node.js is important. Its widespread use across websites, applications, and software in the tech industry makes it a tool worth learning. This popularity also means that developers who learn Node.js and can use it professionally…
Ruby IDEs: What IDEs Work Best for Ruby on Rails Developers?
At some point, a programmer has to think about their integrated development environment (IDE). In this article, we will share text editors and Ruby IDE’s that work best for Ruby on Rails developers. Ruby IDEs vs Text Editors Text Editors…
Python Regex: An Introduction to Using Regular Expressions
As a new developer, regular expressions (or regex as it’s commonly known), can be daunting because of the strange, unfamiliar syntax:     ^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$ When I was a new developer and saw the expression above for the first time, I remember…
HTML New Line Using br and pre
You can add a new line to an HTML page using the <br> or <pre> tags. The <br> tag adds a break in the page. The <pre> tag formats text exactly as the text appears in your code. If there…
JavaScript: Go to URL: A Complete Guide
The window.location value represents the current URL you are viewing in your browser. You can replace this value to go to another URL In JavaScript. This is useful if you want to redirect a user to another page. You can…
JavaScript: Object.values(): A Complete Guide
The JavaScript Object.values() method retrieves a list of the values in an object. You can iterate over the result of the values() method to see the contents of each value in the object. Objects contain keys and values. Sometimes, you…
HTML mailto Links: A Step-By-Step Guide
The HTML mailto link opens a visitor's default email client when linked. This type of link makes it quick for a user to contact you over email. You can specify a default subject, CC, BCC, and body with a mailto…
What is ASCII: A Guide for Beginners
The American Standard Code for Information Interchange (ASCII) is a standard that takes English characters, numbers, punctuation symbols, and other special characters, and assigns them somewhere in the 255 slots available in the 8-bits of code that were available to…
What is RAM: A Complete Guide
One of the components of a computer’s overall architecture is its random access memory (RAM). What exactly does RAM do? This article takes a close look so you can be more familiar with why RAM exists and how it makes…
What is __init__.py? : A guide
The __init__.py file indicates that the files in a folder are part of a Python package. Without an __init__.py file, you cannot import files from another directory in a Python project. How to Use the Python __init__.py File While taking…
CSS All Caps: A Step-By-Step Guide
The text-transform: uppercase CSS property sets the contents of a text element to all caps. You can also use this property to set the contents of a text element to lowercase or title case. text-transform can apply to paragraphs, headings,…
Change Font HTML: A How-To Guide
The font-family CSS rule lets you define the font of an HTML web document. To refer to external fonts, you can use the url() method to define a font face. Or, you can embed a font CSS file from a…
Python Strings: One of Python’s Most Popular Data Types
Strings are one of the most popular data types in Python. A string is, at a high level, an object consisting of a sequence of characters. A character is a symbol — the English language, for instance, has 26 characters…
How to Create the Copyright Symbol in HTML
The &copy; or &#169; symbols represent the HTML copyright sign. These symbols let you embed a copyright sign on a web page. The copyright sign does not appear on most keyboards so you need to use the HTML symbol code.…
How Is SQL’s Not Equal Operator Used?
The SQL not equal operator is represented by <>. This operator lets you select rows from a database that do not meet a particular condition. The != operator is used in a WHERE statement. The != operator can be used…
Java Regex: An Introduction
There may come a time in your application development journey where you need to find patterns in strings. Some methods can take time to execute, while others save you time. One time-saving technique called regex — regular expressions — can…
JavaScript: MultiLine Strings Using \n and Template Literals
You can create a JavaScript multiline string using new line characters, concatenation, and template string literals. Template string literals are the most modern syntax and also let you embed variables into a string. Have you ever wanted to span a…
HTML Superscript and Subscript Text And When to Use It
The HTML <sup> tag specifies superscript text. This is text that appears at the top of a line of text. The <sub> tag represents subscript text. This is text that appears at the bottom of a line of text. Most…
Alexa Skills: Courses, Training, and Other Resources
Virtual assistants are practically available everywhere these days. Apple’s Siri and the Google Assistant are some of the more popular online personal assistants that have snuck into every corner of our lives. This article focuses on Amazon Alexa, and how…
[object Object]: What does this mean?
[object Object] is a string representation of an object. You may see this text if you use alert() to print an object to the screen, for instance. You can view the contents of an object using console.log(), JSON.stringify(), or a…
Python Dictionary: A Guide for Beginners
A Python dictionary stores data in key-value pairs. A key is a label for a value. Dictionaries are declared as a set of keys and values between a pair of curly brackets. The syntax for a key and value is:…
Learn Kubernetes: Courses, Resources and Tutorials
What is Kubernetes? Kubernetes is an open-source platform for managing containers and services. Kubernetes,  often abbreviated k8s (due to the number of letters in between ‘k’ and ‘s’), eliminates the need for manual Linux container operations when deploying or scaling…
Learn Algorithms: Courses, Training, and Other Resources
How to Learn Writing Algorithms Writing algorithms can be overwhelming for even the most seasoned developer. Many of them memorize all of the different approaches to a particular problem. However, what if we instead took a look at a guided…
Learn SQL Server: Courses, Resources and Tutorials
Working with a greenfield project means you are starting from scratch. It is common to be a part of a team that has to make the choice of what type of database to use. If having access to available data…
Learn React Native: Courses, Training, and Other Resources
How to Learn React Native Mobile Development is becoming ever so popular as mobile phones continue to be one of the most popular ways to communicate, shop, and socialize. There were two typical paths to mobile development: Android Development and…
Learn MVC: Courses, Training, and Other Resources
Software developers commonly use design patterns when architecting a new application or website. A high-level design pattern is a very general, reusable template utilized to solve a problem. This article takes a look at the model-view-controller (MVC) design pattern: what…
Git Cherry Pick: A Step-By-Step Guide
As beginning developers, we learn git simply through repetition. We learn quickly what git pull, git push, and git commit each means. As we transition to work on bigger projects and collaborate with teams, we start to learn more advanced…
Learn Apache HTTP Web Server: Courses, Training, and Other Resources
How to Learn Apache Web Server Knowing how to create a web server is important in backend web development. When you start to learn backend web development, there are a couple of options for you to learn how to create…
Learn Docker: Courses, Training, and Other Resources
How to Learn Docker The loading and unloading of goods used to be done manually by dock workers. Also, waiting for the proper vessel to continue the shipment’s journey to its destination took a lot of time and effort. After…

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