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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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How to do settings for Mobile Device Compatibility in Blogger / Fix Blogger Issue "Viewport not set to "device-width"

Steps:

1> Go to blogger.com (login to your account)
2> Select themes -> There in MyThemes, in click three dots
3> Click Mobile Device Settings
4> In <Do you want to show Desktop or Mobile theme on mobile devices?>, choose Mobile Device
5> In configure Mobile View, select your appropriate Theme Category of your choice -> Then choose desired theme
6> Thats all, Your Blogger is now compatible in Mobile Devices and Your Shouldn't Get any Error Message from Google Search Console as below:

Top Issues

The following issues were found on your site:

Viewport not set to "device-width"

Text too small to read

Clickable elements too close together

Location: West Bengal 713102, India

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If you have any doubts, please let me know.

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