Tag: Debugging
Browse all articles, tutorials, and guides about Debugging
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Why Does the C Preprocessor Interpret "linux" as "1"?
Discover why the word 'linux' is predefined as the constant 1 in the C preprocessor on Linux systems, and how this historical quirk can cause unexpected compilation errors.
How to Access a Docker Container's Shell
Learn various ways to get shell access to your Docker containers for debugging, configuration, and maintenance tasks.
How to Explore a Docker Container File System
Learn different ways to inspect, browse, and copy files from Docker containers, whether they're running or stopped. Essential techniques for debugging and understanding containerized applications.
Why Python open() Does Not Create a File If It Doesn't Exist
Learn why open() in read mode fails on non-existent files, which modes create files automatically, and how to handle file creation properly in Python.
Capturing Mobile Phone Traffic on Wireshark
Learn how to capture and analyze network traffic from your mobile phone using Wireshark. Set up a proxy or WiFi hotspot to inspect HTTP/HTTPS requests, debug mobile apps, and understand what data your phone is sending.
How to Fix Pods Stuck in Terminating Status in Kubernetes
Learn how to diagnose and resolve Kubernetes pods that are stuck in Terminating status using kubectl commands, finalizers, and force deletion techniques.
How to Profile C++ Code Performance on Linux
Learn how to use profiling tools like gprof, Valgrind, and perf to analyze C++ application performance and identify bottlenecks on Linux systems.
How do I Run a Command on an Already Existing Docker Container?
Need to run commands inside a Docker container that's already running? Here's how to use docker exec to debug, inspect, and interact with your containers.
How to Fix Echo Newline in Bash When It Prints Literal \n
Learn why echo sometimes prints literal \n instead of newlines and discover multiple solutions to properly output newline characters in Bash scripts.
How to Artificially Create a Connection Timeout Error
Learn practical methods to simulate connection timeouts for testing error handling, resilience patterns, and timeout configurations in your applications.
How to See Docker Image Contents
Explore the contents of a Docker image using practical commands. Learn how to inspect layers, browse files, and debug images locally.