Master
Gemini like never before.
A comprehensive knowledge base for Google Gemini, Gemini API, and Google AI Studio — from beginner to advanced.
CATEGORIES
LATEST ARTICLES
The Morning an Android Build Stopped on 'Duplicate Resources' and Dropbox Was the Cause
Building inside a synced folder left more than 80 conflicted copies in my generated files and stopped an Android build. Here is how I found the cause, how I took build and .gradle out of sync, and where I now keep a project before letting an agent run builds.
When Gmail Search Shows No AI Overview, Check These Four Things in This Order
If AI Overviews in Gmail search never appear on your screen, here is how to check your account type, region, the two smart-feature settings, and the way you write the search, in the order Google's own pages suggest.
When Computer Use Ends After a Few Steps — Finding the Reason Among Four Exits
When Gemini API Computer Use stops after a few steps with no error, sort the cause into four exits that follow the official loop: no function_call, turn_limit, safety_decision, or a bad function_result. Includes a short script that logs the exit reason in one line.
Choosing Workspace Starter or Standard for a three-person office: three things I re-read on the pricing page
Where does Gemini work in Google Workspace Starter versus Standard? I re-read the Japanese pricing page, priced three seats two ways, and listed what to check before you send a quote.
An 'API key expired' Error Doesn't Always Mean Expired. Check Which Key Is Actually Sent Before You Renew It
A 400 with API_KEY_INVALID from the Gemini API cannot tell you whether the key expired or something else is wrong. A small diagnostic script checks env-var precedence and stray quotes first, run here against dummy keys.
My ADK Agent Never Ran and Said 'API key expired' — Reading the Reason Code Gave Me a Triage Order
When ADK returns 400 INVALID_ARGUMENT 'API key expired. Please renew the API key.' on every run, check this order before assuming the key expired: read the reason code, compare shell and .env keys by their last four characters, then test the key alone over REST.
The Nightly Batch Sat Stalled Until Morning — Splitting Retryable Failures by gemini-api Exit Code
The gemini-api CLI, in beta since 10/27, exits with 0, 1, 2 or 3. Which to retry, which should stop a nightly batch, and the double-billing trap when a background job is rerun. Includes a bash wrapper.
Before You Install gemini-api: It Is Not Gemini CLI, and Where I Decided It Belongs
The Gemini API CLI (gemini-api, beta) that appeared on 10/27 is not a successor to Gemini CLI. Here is where I placed it after reading the README, what to check with --dry-run before any billing, and how to pin it in CI.
Asking Gemini Live to Play Your English Interviewer: Three Things to Settle in the First Sentence
Gems can't be used inside Gemini Live, so the interviewer role has to be handed over in your opening words. A short spoken template covering the role, the pacing, and what to do when you can't catch a word, plus how to review the transcript afterward, following the official Help wording.
Gemini for Windows Opens with Alt + Space. Count What Already Owns That Key Before You Install
The Gemini app for Windows is summoned with Alt + Space, and its help page says nothing about what to do when the key does nothing. Here is what to count before installing, and a five-step order for the day it fails.
View All Articles (866) →