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writeStream.clearLine() Method

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writeStream.clearLine() Method

writeStream.clearLine() Method sits in an upload job. Riya’s job is read a big CSV. Write that first.

Do writeStream.clearLine() Method once by hand. createReadStream. Change one input. Say the new result out loud.

Without writeStream.clearLine() Method, an upload job gets messy and read a big CSV is hard to trust.

writeStream.clearLine() Method shows up in an upload job. Name read a big CSV, not “a real-world scenario”.

Don’t do this with writeStream.clearLine() Method: loading the whole file into RAM. Interviewers spot it in ten seconds.

writeStream.clearLine() Method is not a lonely heading. Riya ties it to read a big CSV.

Close writeStream.clearLine() Method with: “If I skip it, read a big CSV goes wrong like this: loading the whole file into RAM.”

Exam tip

For writeStream.clearLine() Method: definition + an upload job + one failure.

Example

// writeStream.clearLine() Method
const users = [
  { id: 1, name: "Asha" },
  { id: 2, name: "Ravi" },
];

function findUser(id) {
  return users.find((u) => u.id === id) ?? null;
}

console.log(findUser(2));
console.log(users.map((u) => u.name));

writeStream.clearLine() Method: find user 2, then list names. Say both prints.

Short notes

DefwriteStream.clearLine() Method — Riya uses it for read a big CSV in an upload job.
RulewriteStream.clearLine() Method → createReadStream.
RememberwriteStream.clearLine() Method + the event loop (an upload job).
UsewriteStream.clearLine() Method in an upload job (read a big CSV).
TrapwriteStream.clearLine() Method — loading the whole file into RAM.
ExwriteStream.clearLine() Method → read a big CSV.

// writeStream.clearLine() Method const users = [ { id: 1, name: "Asha" }, { id: 2, name: "Ravi" }, ]; function findUser(id) { return users.find((u) => u.id === id) ?? null; } console.log(findUser(2)); console.log(users.map((u) => u.name));

writeStream.clearLine() Method

Example

Short notes

Questions

writeStream.clearLine() Method

Example

Short notes

Questions