Christina Kopecky

119 Articles0 Comments

Christina Kopecky is a technical writer at Career Karma where she focuses on JavaScript, React, HTML and CSS coding tutorials.

SQL EXISTS: How to use this SQL Operator

There are many things you can do to define a query in SQL. One thing you can do to a WHERE clause is check to see if a row exists with the matching parameters in the database. We do this…

JavaScript: Refresh Page

Sometimes you need to refresh a webpage using JavaScript. If the need arises, use the location object to use the reload() method. There are two event listeners in this document. The first happens when the page loads to add an…

JavaScript Sleep Method Doesn’t Exist: What to Use Instead

If you’re an engineer or developer coming from different programming languages, you might have used a native method called sleep() to stall or pause a method from executing. JavaScript doesn’t have such a native method.  In this article, we will…

JavaScript GET Request: Using the Fetch API

Developers often have to retrieve data from their own API or third-party API. This article talks about using your browser’s Fetch API to GET some data from an endpoint. What is the Fetch API?  The Fetch API is an interface…

Git Error: untracked files would be overwritten by checkout

While using git to keep track of your changes in your project, many things can happen that cause an error. When you move from one branch to another, you might get this error: This error occurs when you have files…

[object Object]: What does this mean?

When developing using JavaScript, many of us have encountered the output: [object Object]. When I saw this the first time, I went to my mentor at the time and asked: “What does this even mean?”. I was confused.  This article…

Git Error: Pull is not possible…

When we use git, sometimes we come upon confusing errors. This article aims to take a look at one common error when using version control and provide a possible solution. Look at this error:  The Problem This error occurs when…

Git refusing to merge unrelated histories

There are several places in the git workflow that can cause errors. In this article, we’ll talk about one such error that is confusing to tackle and find a solution to! The Git Error The fatal: refusing to merge unrelated…

Error: Failed To Push Some Refs To Remote

When working with git, you may encounter various errors, especially when working on the same codebase with a team. The Error Message The error: failed to push some refs to remote git error occurs when new changes are pushed to…

C: How To Setup Your C Compiler

Let’s take a look at how to get started with learning C. C, unlike JavaScript, is a low-level language that needs to be compiled in advance, prior to execution. You need to download a compiler to get started, if you…

Get matched modal

Find the best bootcamp for you

Our matching algorithm will connect you to job training programs that match your schedule, finances, and skill level.