Troubleshooting and Debugging Techniques Coursera

In this course, we’ll give you the tools to quickly identify and solve real-world problems that you might come across in your IT role. We’ll look at a bunch of different strategies and approaches for tackling the most common pitfalls of your code and IT infrastructure. You’ll learn strategies for approaching almost any technical problem and then see how those apply to solving different real-world scenarios.

We picked examples that include general system issues, issues with software that someone else wrote, and issues with programs that we wrote. We’ll talk about problems that can affect any operating system, and we’ll also look at challenges specific to certain platforms and scripting languages.

-----------------------------TIME STAMP-----------------------------------------

  TROUBLESHOOTING CONCEPTS

0:00:00​ Course introduction
0:04:10​ introduction to debugging
0:21:20​ understanding the problem
0:52:54​ binary searching a problem
1:08:14​ module review

    SLOWNESS

1:10:43​ understanding slowness
1:39:19​ slow code
2:04:50​ when slowness problems get complex
2:25:40​ module review

    CRASHING PROGRAMS

2:27:27​ why progams crash
2:58:51​ code that crash
3:28:05​ handling biggger incidents
3:43:46​ module review

    MANAGING RESOURCES

3:45:28​ managing computer resources
4:13:35​ managing our time
4:36:09​ making our future lives easier
4:54:49​ module review
4:56:22​ Course wrap up

Credit: The creator of this contents is Google ( Team: Grow with Google )
License: Creative Commons Attribution-ShareAlike 4.0 International License

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How to build an Elearning app or website like Coursera

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What Is the Best Java Debugger?

Many people might think this a simple question; I am not one of them. I feel that in the modern world of development, there are too many factors to pick a single tool for debugging any language, let alone Java.

In The Beginning

Let’s take a step back and look at where we started with debugging, and while I am not going to get into the history of debugging, we should look at some of the basic tools used for debugging Java, aside from logging and system-out.

JDP

Let’s start with a quick look at the Java debugger (Java Discovery Protocol - JDP), which is a command-line tool used for debugging Java applications. This tool ships directly from Oracle, so you can be sure it will work; however, it can be complex to use and require knowledge of where you want to debug ahead of time.

A positive aspect of this tool is the fact that you can use it on the same box where the Java Virtual Machine (JVM) is running. This set-up means you do not need to deal with the complexities of connecting any external service that might be restricted by firewalls, which is particularly useful if you are deploying your Java applications into Docker containers. (which let’s be honest, who isn’t).

And while a command-line tool is not the best option for everyday work, what other options are available?

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E-learning app like Coursera - Enhance your skills by using our Clone App

E-learning has become a booming industry now and they cover school education, subjects taught in colleges and universities, technical courses, and specific skill-oriented training.

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The highlights of the Coursera clone solution are

Course certificates are provided to each student after they successfully complete each course on the platform. This gives them more confidence and also is a proof that they have become an expert in that specific subject.

Lectures given by the top professors and subject matter experts can be downloaded and viewed offline by the users.

Adequate flexibility is provided as each course can be structured according to the knowledge level of the student. It can be divided into basic, intermediate, and difficult levels.

The availability of tests and quizzes once the users finish their respective courses. This serves as a yardstick of their performance and checks their knowledge and understanding of the subject. The results will be shared immediately and the students can take the course again to improve their overall score.

An exclusive instructor dashboard is used by the person who is moderating the course and delivering the lecture to the students. He can view details like the number of hours, chapters completed, and the number of users enrolled in his course.

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Apart from the course material, crisp videos thoroughly explaining complex concepts and informative articles will be shared regularly with the students.

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Postman Beginners Crash Course - Part 3 | Scripting & Testing |Debugging & Troubleshooting

FREE Tutorials - https://automationstepbystep.com/ Scripting -------------- JavaScript code can be added 1. Before request is executed - Pre-request script 2

#debugging #testing #troubleshooting #scripting #course

Troubleshooting a Crash Triggered by Clang Compiler Optimization

If someone told you that the following C++ function would cause the program to crash, what would you think it is that caused the problem?

C++

If you were given more descriptions, for example:

• The crash reappears with a certain probability.
• The error message shows Program terminated with signal SIGSEGV.
• The backtrace information is usually incomplete or even missing.
• When the optimization level is higher than -O2, the crash is more likely to happen.
• The crash only happens while using Clang, but not GCC.

#tutorial #performance #c++ #cpp #debug #troubleshoot #nebula graph #gcc