Debugging Guides

A collection of 13 posts
 
Articles

Error 2002 (hy000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) - Easily fix your MySQL error

When you're attempting to connect your MySQL databases to an Node.js app, you might sometimes run into a error message which sounds like this: "Can’t connect to local MySQL server through socket ‘/tmp/mysql.sock’ (2)". Below we'll explore a solution to
2 min read
 
Articles

Error handling in JavaScript - Catch errors in JavaScript

Let's be fair, there's no way of programming without creating and running into errors. Of course, what makes the difference is how you handle said errors. And Javascript is no stranger to error to a not so awesome error handling system. What are Javascript errors and
4 min read
 
Articles

Fixing HTTP 415 Error on your Wordpress website - Unsupported media type error

As it's become commonplace for websites to contain different types of media in order to make themselves more appealing, that has increased the odds that sometimes an error might get thrown, and the error in cause is the HTTP 415 error. What type of issue is the HTTP
2 min read
 
Articles

Error: "your local changes to the following files would be overwritten by merge:" - How to easily fix in Git

You might have run into the error "Your local changes to the following files will be overwritten by merge" which occurs due to the version control mechanism that Git has. The reason why this appears it simple -- you made local changes to some files that create a
1 min read
 
Debugging Guides

Troubleshooting the error message: "error:0308010c:digital envelope routines::unsupported"

Whenever you're working with Node.js apps, you might run into an error message that's a pretty common occurence, which is "error:0308010c:digital envelope routines::unsupported". This often indicates that you have an issue with your SSL/TLS configuration and it typically arises
2 min read
 
Debugging Guides

Error [err_http_headers_sent]: cannot set headers after they are sent to the client - How to solve the Javascript error

When you happen to stumble upon the "Cannot set headers after they are sent to the client" error message, it's usually because you're trying to send multiple responses in a Node.js or Express app. It typically happens when you try to modify the
3 min read
 
Debugging Guides

Error: pg_config executable not found. - How to solve the Python error

Whenever you're trying to install the package Psycopg2, the PostgreSQL database adapter created for the Python language, you might run into a familiar error: Error: pg_config executable not found. Please add the directory containing pg_config to the PATH Luckily, this is a pretty easy to fix
1 min read
 
Debugging Guides

GPG failed to sign the data fatal: failed to write commit object - How to solve the error in Git

Sometimes, after you have installed GPG for Git and are trying to commit changes, you'll run into the below message: error: gpg failed to sign the data fatal: failed to write commit object How to debug the issue First, you should start with a simple 'GIT_TRACE=
2 min read
 
Debugging Guides

Error: hydration failed because the initial UI does not match what was rendered on the server. - How to solve the error in React

Ocassionally, when coding a React app, you'll run into this message: "Error: hydration failed because the initial ui does not match what was rendered on the server.". This happens Server-Side Rendered applications when the HTML that's being generated on the server will not match
2 min read
 
Debugging Guides

Fatal error: how to fix Javascript heap out of memory error

Sometimes when a Node.js process runs out of memory while attempting to allocate new objects on the heap you'll into a "FATAL ERROR" message with the details being "Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory". What is
2 min read
 
Debugging Guides

How to clear DNS cache on Chrome. Tips on using chrome://net-internals/#dns

Chrome, like all the other web browsers, stores DNS (domain name information) in a cache in order to speed up websites' loading times. This cache can sometimes become outdated or corrupted, which causes issues with website access. Sometimes, clearing the DNS cache resolves these issues. Here's how
2 min read
 
Debugging Guides

"An error occurred in the upload. Please try again later." How to fix the error in Wordpress.

Wordpress has become a powerhouse in the Content Management Systems ecosystem, currently powering close to 40% of all websites on the internet. As a Wordpress user you’ll likely encounter various, often when lacking the latest updates, one of which being the very common “An error occurred in the upload.
2 min read
 
Debugging Guides

"You need to resolve your current index first." How to fix the error in Git.

In case you are a developer using Git for version control, you likely have encountered the “you need to resolve your current index first” error message at least once. Most likely you’ll encounter this error when you try to perform Git operations, such as pull, merge or checkout, and
1 min read