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HackEDU Lesson Help
HackEDU Lesson Help

This collection contains articles around basic troubleshooting, specific lesson help & common issues

Accessing the Browser ConsoleExplanation of how to open your browser's console on all popular web browsers
Prepared Statements in CA short description on writing prepared statements in C for lessons like SQL injection.
DOM-Based Cross-Site Scripting (XSS)Some additional information on DOM-Based Cross-Site Scripting (XSS) solutions
Coding Test HintsThis article describes the in content help we provide to developers while taking our coding challenges
Python String Formatting and SQL Injection AttacksThis article describes why using prepared statements / parameterized queries are the preferred methods to prevent SQL Injections.
Tips for getting outputThis article outlines some tips for getting output while completing a lesson.
Using OpenSSL BN Library in COverview on using the big numbers library OpenSSL provides for C
How to check for 500 ErrorsThis article will provide you options for resolving 500 errors during training
How to Generate a .HAR File for DebuggingThis article will outline how to capture and download a .HAR file for debugging
Simplifying Memory Management in CA concise guide to SEI Rule 8
Adopting and Implementing an error-handling policyWhy adopting and implementing a robust error-handling policy is extremely important.
Break/Fix Lesson Sandbox Troubleshooting: Axios ErrorWhat to do when you see an Axios Error in your sandbox.
Regex Best PracticesHow to use regex securely