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How to use gdb in Ubuntu Terminal

Here's a practical, minimal guide for using GDB in Ubuntu terminal — from launching to setting breakpoints and navigating your code. 🧰 Step 1: Compile with Debug Symbols Use -g and disable optimizations ( -O0 preferred for debugging): bash Copy Edit g++ -g -O0 -o myprog myprog.cpp 🚀 Step 2: Launch GDB bash Copy Edit gdb ./myprog You'll see a (gdb) prompt. 🎯 Step 3: Set Breakpoints You can set breakpoints in three main ways : ✅ a. At a function gdb Copy Edit (gdb) break main ✅ b. At a specific file and line gdb Copy Edit (gdb) break myprog.cpp:42 ✅ c. At a method in a class gdb Copy Edit (gdb) break MyClass::doSomething If the symbol is mangled (C++), GDB usually demangles automatically, especially if compiled with -g . ▶️ Step 4: Run the Program gdb Copy Edit (gdb) run 🧭 Step 5: Navigate Command Meaning next or n Step over current line step or s Step into function call finish Run until current function returns continue or c Continue until...
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Java Notes: Discussion with ChatGPT on Spring/Hibernate

Query: Suppose in Java I using Servlet-JSP MVC, connectionPooling JDBC with JakartaEE for a web app. So, I don't need any spring, or hibernate & can do anything or create any kind of dynamic WebApp. NOw where is spring or hibernate required in a WebApp? Response: In a Java web application, Spring and Hibernate are frameworks that offer additional features and abstractions to simplify development, enhance productivity, and improve maintainability. While they are not strictly necessary for building a web application, they can provide significant benefits in certain scenarios: 1. **Spring Framework:**    - **Dependency Injection (DI) and Inversion of Control (IoC):** Spring's DI container allows you to decouple your components and manage dependencies more easily. This promotes better code organization, testability, and scalability.    - **Aspect-Oriented Programming (AOP):** Spring AOP allows you to modularize cross-cutting concerns such as logging, security, and tr...
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Natural Hair Loss Perspective

  Natural Hair Loss Perspective January 28, 2024 Anonymous is natural hair loss/ bladness (not due to any infection/malnutrition )in my head only some kind of social/addware taboo or actually any issue in real ChatGPT ChatGPT Natural hair loss, also known as male pattern baldness or androgenetic alopecia, is a common condition that occurs in many individuals as they age. It is not typically associated with infections or malnutrition but is often influenced by genetic and hormonal factors. From a medical standpoint, natural hair loss is generally considered a cosmetic concern rather than a serious health issue. It doesn't pose any direct threat to physical health, and many people experience it to some degree as a normal part of the aging process. However, the impact of hair loss on an individual's psychological and emotional well-being should not be overlooked. Socially and culturally, perceptions of hair loss can vary. In some societies, a full head of hair is often considered ...
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