renjujv

2025 Guide to Prompt Engineering in your editor for Software Engineers - May 18

Taken from https://read.highgrowthengineer.com/p/2025-guide-to-prompt-engineering?utm_source=substack&publication_id=1504485&post_id=163770890&utm_medium=email&utm_content=share&utm_campaign=email-share&isFreemail=true&r=1tq5mv&triedRedirect=true&hide_intro_popup=true

If you’re a software engineer in 2025, you should be using Agent Mode in your editor, either in VSCode, Cursor, or Windsurf. It’s by far the single biggest productivity boost I’ve ever experienced.

If you haven’t tried it yet, it’s a more advanced ChatGPT in your editor that can understand your codebase, answer questions, write features for you, write tests, and review your changes. I usually use it to write features and answer questions for me.

Use agent mode in VS Code Agent Mode in VSCode making edits to the code For those who have or haven’t tried it, you’ll need to know how to prompt it to get the most out of it. Though many of the same principles apply, t

renjujv

To send a request via the sandbox, you can use pm.sendRequest.

pm.test("Status code is 200", function () {
    pm.sendRequest('https://postman-echo.com/get', function (err, res) {
        pm.expect(err).to.not.be.ok;
        pm.expect(res).to.have.property('code', 200);
        pm.expect(res).to.have.property('status', 'OK');
    });
});

renjujv

until scrcpy; do
    echo "'scrcpy' crashed with exit code $?.  Respawning.." >&2
    sleep 1
done

# https://github.com/Genymobile/scrcpy

renjujv

What the hell are environment variables?

They're just variables you set on your system that various programs/processes can read. A fairly standard example in javascript circles would be setting your NODE_ENV variable to "production" or "development", altering how node code is executed on your system (for example showing more debug messaging when in development).

With most shells there's a way to set them for the current session, and a way to set them for all sessions. The following is meant to be a guide on how to set env vars in the various shells.

Bash (The default shell on OSX)

Setting for the session: