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files

rust 
use std::io::Write;
use tempfile::NamedTempFile;

fn main() -> std::io::Result<()> {
    let mut tmpfile = NamedTempFile::new()?;
    writeln!(tmpfile, "Hello, temp file!")?;

tempfile for safe temporary file creation

rust testing files
by Marcus Chen 1 tab
python 
import csv
from django.http import StreamingHttpResponse, FileResponse


class Echo:
    """Helper for writing to streaming response."""

Django streaming responses for large files

django python streaming
by Priya Sharma 1 tab
python 
from django.core.exceptions import ValidationError


def validate_file_size(file):
    """Limit file size to 5MB."""
    max_size_mb = 5

Django file upload handling with validation

django python files
by Priya Sharma 2 tabs
rust 
use std::fs;
use std::io::Result;

fn main() -> Result<()> {
    let contents = fs::read_to_string("input.txt")?;
    println!("File contents: {}", contents);

File I/O with std::fs for reading and writing files

rust io files
by Marcus Chen 1 tab
kotlin 
package com.example.myapp.utils

import android.app.DownloadManager
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent

Download Manager for file downloads

kotlin android downloadmanager
by Alex Chen 1 tab