𝑾𝒉𝒂𝒕 π’Šπ’” 𝒂 𝑹𝒂𝒄𝒆 π‘ͺπ’π’π’…π’Šπ’•π’Šπ’π’? 𝑫𝒐𝒆𝒔 π’Šπ’• π’“π’†π’‚π’π’π’š π’Žπ’‚π’•π’•π’†π’“?

A race condition in software occurs when multiple processes try to access shared resources simultaneously, leading to unpredictable outcomes. An example is the Therac-25 radiation therapy machine incidents in the 1980s, where a race condition in the machine’s software led to patients receiving massive overdoses of radiation, highlighting the critical need for thorough software testing and safety standards.

Read More 𝑾𝒉𝒂𝒕 π’Šπ’” 𝒂 𝑹𝒂𝒄𝒆 π‘ͺπ’π’π’…π’Šπ’•π’Šπ’π’? 𝑫𝒐𝒆𝒔 π’Šπ’• π’“π’†π’‚π’π’π’š π’Žπ’‚π’•π’•π’†π’“?

𝑻𝒉𝒆 π‘­π’‚π’Žπ’Šπ’π’š 𝒐𝒇 𝒆𝒙𝒆𝒄()

The exec() family of functions, like execve(), replace the current process with a new one and run it with the same PID. It’s like changing clothes for a person, loading a new program, discarding the old one, and setting up memory for the new program. Different functions in the exec() family have different use cases and analogies, like arranging instruments in a symphony, performing a magic trick, navigating with a map, and solving a mystery in the bustling city streets. Each function has its own specific purpose, and it’s crucial for programmers to choose the right one based on their requirements.

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How is a floating-point number stored?

The computer allocates 32-bit memory for storing a float value, using IEEE 754 floating point conversion. With a positive value, the sign bit is 0. The integer and fraction are converted to binary, and the biased exponent is calculated and represented in the binary format. The final binary representation is 0 10000100 00001001001110110110010.

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Reading Declarations in C

When reading code, follow these points: 1) * – pointer to 2) [] – array of 3) () – function returning 4) Start at the variable name 5) Read right first without crossing parenthesis 6) Then go left without crossing 7) Start inwards and move outwards. Reading is right to left. Examples are provided for different variable types.

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Few GDB Debugging Commands

This guide introduces essential GDB debugger commands: break (set breakpoint), run (start execution), next (execute next line), step (execute and stop in function), continue (resume execution), print (print variable value), backtrace (display call stack), watch (set watchpoint), info (display program info), quit (exit debugger), and more.

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Auto Backup Files in Linux

This article provides a step-by-step guide on creating an automatic backup command for files in Linux. It covers checking directory existence, creating a file, adding commands, testing the backup, and additional notes on updating and file management within Vim. The process ensures a backup file is created for every new file opened.

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