Read issue #1 of Daily Digest, by Mailbrew Team.
11
Friday July, 2025
Parsing 1 Billion Rows in TypeScript Under 10 seconds

Parsing 1 Billion Rows in TypeScript Under 10 seconds

Looking for advice to go deeper in MERN stack (Node.js side)

Hey everyone,
I’m a React.js developer with around 3 years of experience. I’ve built several admin panels using React and Node.js (Express). Still, most of them are basic, such as implementing JWT authentication, handling contact form data, or managing website content, including blogs and static pages.

I understand Node.js and …

Node24 and .tsx loading

Hello,

I've been adapting a typescript codebase to ESM and try out the native ts run from node, only to find out I imported some `.tsx` files for react-email.
After some search, it looks like jsx (or tsx) is just a wrapper around React.createElement.
Would it be reasonable to avoid …

Googleapi's let attendees auto join?

I am using googleapis inside nodejs and i am unable to figure out why i cannot let attendees to auto join the meeting when I already invited them via event in google calender , what am i missing here to let attendees to auto join my meeting and other guests …

POST -> Login -> Replay POST

Hi all, what is the best practice to implement this flow?

  1. User fills in form and submits it while not being logged in (sends POST request to a protected endpoint).
  2. Server redirects the user to the login page.
  3. User fills in login info.
  4. Server verifies the user and replays the …
Help with dynamic values in pass.json – placeholders not being replaced

Hi everyone,

I'm having trouble getting dynamic values to work in my pass.json when generating Apple Wallet passes.

Even though my template contains placeholders like:

jsonKopierenBearbeiten{
  "key": "card_number",
  "label": "Kartennummer",
  "value": "{{card_number}}"
}

They are not being replaced at runtime. On the final .pkpass, I still see {{card_number}} instead of …

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