codesnips

memory

java 
@RestController
@RequestMapping("/api/transactions")
public class TransactionExportController {

    private final CsvExportService exportService;

Stream a Large CSV Export to the HTTP Response with StreamingResponseBody in Spring Boot

spring-boot streaming csv
by codesnips 3 tabs
python 
import csv


class _LineBuffer:
    def __init__(self):
        self._data = ""

Stream a Large CSV Export in Chunks from a Flask Endpoint

flask streaming csv
by codesnips 3 tabs
php 
<?php

namespace App\Http\Controllers;

use App\Jobs\ImportProductChunk;
use Illuminate\Http\Request;

Chunked CSV Product Import with Laravel Queued Jobs and LazyCollection

laravel queue background-jobs
by codesnips 3 tabs
javascript 
function escapeCell(value) {
  if (value === null || value === undefined) return '';
  const str = String(value);
  if (/[",\n\r]/.test(str)) {
    return '"' + str.replace(/"/g, '""') + '"';
  }

Stream a Large CSV Export in Express with Backpressure and an Async Row Generator

express streaming csv
by codesnips 3 tabs
java 
@RestController
@RequestMapping("/api/exports")
public class ExportController {

    private final CsvStreamWriter csvStreamWriter;

Streaming a Large CSV Export in Spring Boot with StreamingResponseBody

spring-boot streaming csv
by codesnips 4 tabs
go 
package pipeline

import (
	"bufio"
	"errors"
	"io"

Stream and Transform a Large Log File Line-by-Line with bufio.Scanner

go streaming bufio
by codesnips 3 tabs
rust 
use std::mem;

fn main() {
    let mut x = 5;
    let mut y = 10;

std::mem helpers for low-level memory manipulation

rust memory
by Marcus Chen 1 tab
javascript 
const express = require('express');
const multer = require('multer');
const os = require('os');
const fs = require('fs/promises');
const { parseCsvStream } = require('./csvStreamParser');

Stream and Validate Large CSV Uploads Row-by-Row with Node Streams and Backpressure

nodejs streams csv
by codesnips 3 tabs
javascript 
const fs = require('fs');
const readline = require('readline');

async function* streamCsvRows(filePath) {
  const stream = fs.createReadStream(filePath, { encoding: 'utf8' });
  const rl = readline.createInterface({ input: stream, crlfDelay: Infinity });

Stream and Import a Large CSV File Line-by-Line with Node.js readline

nodejs streams readline
by codesnips 3 tabs