Node.js · Theory

http2stream.respondWithFile(path[,headers[,options]]) function in Node.js

Theory

454/723

http2stream.respondWithFile(path[,headers[,options]]) function in Node.js

Ananya only reaches for http2stream.respondWithFile(path[,headers[,options]]) function (in) when read a big CSV has to stay correct in an upload job.

For http2stream.respondWithFile(path[,headers[,options]]) function (in), an Express route is in play. Don’t blame it until you have traced read a big CSV.

Skip http2stream.respondWithFile(path[,headers[,options]]) function (in) and loading the whole file into RAM shows up in an upload job.

Use http2stream.respondWithFile(path[,headers[,options]]) function (in) when read a big CSV must stay clear. If a simpler Node.js step works, use that instead.

http2stream.respondWithFile(path[,headers[,options]]) function (in) miss: loading the whole file into RAM. Fix it before you talk about advanced Node.js.

After http2stream.respondWithFile(path[,headers[,options]]) function (in), Ananya should still remember loading the whole file into RAM.

Viva for http2stream.respondWithFile(path[,headers[,options]]) function (in): what it is → createReadStream → the mistake (loading the whole file into RAM).

Diagram

  request
      │
      ▼
  event loop
      │ I/O done
      ▼
  response

Exam tip

For http2stream.respondWithFile(path[,headers[,options]]) function (in): definition + an upload job + one failure.

Example

const path = require("path");
const full = path.join("users", "asha", "docs");
console.log(full);
console.log(path.extname("report.pdf"));

http2stream.respondWithFile(path[,headers[,options]]) function in Node.js — path.join builds OS-safe paths; extname reads the extension.

Short notes

Defhttp2stream.respondWithFile(path[,headers[,options]]) function (in) — Ananya uses it for read a big CSV in an upload job.
Rulehttp2stream.respondWithFile(path[,headers[,options]]) function (in) → createReadStream.
Rememberhttp2stream.respondWithFile(path[,headers[,options]]) function (in) + an Express route (an upload job).
Usehttp2stream.respondWithFile(path[,headers[,options]]) function (in) in an upload job (read a big CSV).
Traphttp2stream.respondWithFile(path[,headers[,options]]) function (in) — loading the whole file into RAM.
Exhttp2stream.respondWithFile(path[,headers[,options]]) function (in) → read a big CSV.

Node.js · Theory

http2stream.respondWithFile(path[,headers[,options]]) function in Node.js

← All stacks

Theory

454/723

http2stream.respondWithFile(path[,headers[,options]]) function in Node.js

Ananya only reaches for http2stream.respondWithFile(path[,headers[,options]]) function (in) when read a big CSV has to stay correct in an upload job.

For http2stream.respondWithFile(path[,headers[,options]]) function (in), an Express route is in play. Don’t blame it until you have traced read a big CSV.

Skip http2stream.respondWithFile(path[,headers[,options]]) function (in) and loading the whole file into RAM shows up in an upload job.

Use http2stream.respondWithFile(path[,headers[,options]]) function (in) when read a big CSV must stay clear. If a simpler Node.js step works, use that instead.

http2stream.respondWithFile(path[,headers[,options]]) function (in) miss: loading the whole file into RAM. Fix it before you talk about advanced Node.js.

After http2stream.respondWithFile(path[,headers[,options]]) function (in), Ananya should still remember loading the whole file into RAM.

Viva for http2stream.respondWithFile(path[,headers[,options]]) function (in): what it is → createReadStream → the mistake (loading the whole file into RAM).

Diagram

  request
      │
      ▼
  event loop
      │ I/O done
      ▼
  response

Exam tip

For http2stream.respondWithFile(path[,headers[,options]]) function (in): definition + an upload job + one failure.

Example

const path = require("path");
const full = path.join("users", "asha", "docs");
console.log(full);
console.log(path.extname("report.pdf"));

http2stream.respondWithFile(path[,headers[,options]]) function in Node.js — path.join builds OS-safe paths; extname reads the extension.

Short notes

Defhttp2stream.respondWithFile(path[,headers[,options]]) function (in) — Ananya uses it for read a big CSV in an upload job.
Rulehttp2stream.respondWithFile(path[,headers[,options]]) function (in) → createReadStream.
Rememberhttp2stream.respondWithFile(path[,headers[,options]]) function (in) + an Express route (an upload job).
Usehttp2stream.respondWithFile(path[,headers[,options]]) function (in) in an upload job (read a big CSV).
Traphttp2stream.respondWithFile(path[,headers[,options]]) function (in) — loading the whole file into RAM.
Exhttp2stream.respondWithFile(path[,headers[,options]]) function (in) → read a big CSV.

http2stream.respondWithFile(path[,headers[,options]]) function in Node.js

Example

Short notes

Questions

http2stream.respondWithFile(path[,headers[,options]]) function in Node.js

Example

Short notes

Questions