Code Explainers

Code explainers tagged #csv

ruby 
require "csv"
 
class CsvExporter
  def initialize(records, columns: nil)

Turning records into CSV in Ruby

csv data-export serialization
Intermediate 7 steps
typescript 
type CsvRecord = Record<string, string>;
 
function parseCsv(input: string): CsvRecord[] {
  const rows: string[][] = [];

Parsing CSV with a character state machine

state-machine parsing string-processing
Intermediate 8 steps
python 
import csv
from pathlib import Path
 
 

Splitting a large CSV into smaller files

file-io streaming csv
Intermediate 8 steps
rust 
use std::error::Error;
use std::path::Path;
 
use serde::Deserialize;

Custom CSV deserialization with serde in Rust

serde csv deserialization
Intermediate 7 steps
python 
import csv
import io
from datetime import datetime
 

Streaming a CSV export in Flask

streaming generators csv
Intermediate 9 steps
python 
import csv
import io
from datetime import date
 

Streaming a CSV export in FastAPI

streaming async-generators csv
Advanced 8 steps