Handling Signals and Message Queues for Inter-Process Communication
Handling Standard Signals
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
void signal_handler(int sig_num) {
if (sig_num == SIGINT) {
printf("Ctrl+C signal received\n");
}
}
int main(void) {
// Set SIGINT to be ignored
if (signal(SIGINT, SIG_IGN) == SIG_E ...
Posted on Tue, 04 Aug 2026 16:58:24 +0000 by phyzar
Data Serialization and Storage Formats in Python
Data Serialization Fundamentals
Auotmated data collection systems rely heavily on standardized interchange formats to move information between network requests, local caches, and persistent storage layers. Two widely adopted approaches for structuring extracted payloads are JavaScript Object Notation (JSON) and Comma-Separated Values (CSV).
JSO ...
Posted on Tue, 04 Aug 2026 16:52:48 +0000 by solar_ninja
Generating Permutations and Combinations Using Depth-First Search
Permutations This article demonstrates a method for generating all permutations of a set of numbers using depth-first search (DFS).
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
const int MAX_SIZE = 100010;
int size, sequence[MAX_SIZE];
bool visited[MAX_SIZE];
void generatePermutations(int ...
Posted on Tue, 04 Aug 2026 17:03:36 +0000 by nominator
Cycle Detection in Linked Lists with Floyd's Algorithm
The problem involves verifying the presence of a closed loop within a sequence of connected nodes. Specifically, one must determine if traversing the next pointers eventually returns to a previously encountered node. While test environments may define connection indices for simulation purposse, the algorithm operates logically without reliance ...
Posted on Tue, 04 Aug 2026 16:56:34 +0000 by DigitalNinja
Data Extraction from HTML Using Java and Regular Expressions
Regular expressions (regex) serve as a powerful mechanism for identifying and extracting specific patterns within large blocks of text. In the context of web scraping, regex allows developers to parse HTML source code to retrieve specific data points such as URLs, email addresses, or meta tags without the overhead of a full DOM parser.
Core Com ...
Posted on Tue, 04 Aug 2026 16:53:23 +0000 by laurajohn89
Understanding JavaScript Hoisting, Scope Mechanisms, and Function Types
Function Expressions vs Function Declarations
JavaScript provides two primary ways to define functions: function declarations and function expressions. While both approaches create callable functions, they behave differently in terms of hoisting and usage patterns.
Function Declarations
A function declaration uses the function keyword to define ...
Posted on Tue, 04 Aug 2026 16:56:03 +0000 by Gmans