typescriptJul 17, 2026
React useEffect cleanup pattern
Standard listener setup and cleanup in React functional components.
import { useEffect } from "react";
useEffect(() => {
const handleResize = () => {
console.log(window.innerWidth);
};
window.addEventListener("resize", handleResize);
// Return cleanup function to prevent memory leaks
return () => {
window.removeEventListener("resize", handleResize);
};
}, []);rustJul 17, 2026
Rust safe match pattern for Result
Robust pattern-matching error handling in Rust.
fn fetch_data() -> Result<String, std::io::Error> {
// some network or file operation
Ok(String::from("Success!"))
}
fn main() {
match fetch_data() {
Ok(data) => println!("Received: {}", data),
Err(e) => eprintln!("Error occurred: {:?}", e),
}
}goJul 17, 2026
Go lightweight HTTP Server
A bare-minimum, high-performance web server utilizing Go standard library.
package main
import (
"fmt"
"net/http"
)
func helloHandler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello, Blink User!")
}
func main() {
http.HandleFunc("/", helloHandler)
fmt.Println("Server starting on port 8080...")
if err := http.ListenAndServe(":8080", nil); err != nil {
panic(err)
}
}cssJul 17, 2026
Modern CSS Absolute Centering
The simplest CSS Grid trick to center a child block element both horizontally and vertically.
.container {
display: grid;
place-items: center;
min-height: 100vh;
}pythonJul 17, 2026
Python List Comprehension with Filter
Elegant filtering and mapping operations in a single line of Python.
# Create a list of squares for even numbers only
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
even_squares = [x**2 for x in numbers if x % 2 == 0]
print(even_squares)
# Output: [4, 16, 36, 64, 100]