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A comprehensive knowledge base for Google Gemini, Gemini API, and Google AI Studio — from beginner to advanced.
When Gemini Let Me Upload Several Code Files at Once, I Stopped Selecting by Folder
Once you can hand Gemini a slice of a repository, the hard part moves from pasting to choosing. I measured the dependency graph of my own Next.js repo, found that folder-based selection caught zero callers, and wrote down the selection routine I use now.
Taking stock of Gemini standard API keys before September, across CI, servers, and my own machine
Standard API keys, including restricted ones, stop being accepted during September. Because this changes where keys come from rather than what they say, here is the three-layer inventory I ran across code, deploy settings, and my local machine, plus a dual-path client to switch behind.
An agreement-rate gate approves the model swap, then your category shares move
Swapping the model behind an image classification batch can pass a golden-set agreement gate while category shares quietly shift. I measured the sample sizes each check really needs and rebuilt the gate as a paired comparison.
When a New Gemini Feature Hasn't Reached Your Workspace, Here's How to Tell Waiting From Broken
A step-by-step way to decide whether a missing Gemini feature in Google Workspace is still rolling out or actually misconfigured, using release tracks and rollout pace, plus a small Apps Script ledger that does the counting for you.
Your New Gemini API Key Never Took Effect, and Load Order Wasn't the Reason
When several sources supply the same environment variable, swapping your key can leave the old value in place. Here is what four load orders actually produced, and a ledger that records which source won.
gemini-robotics-er-1.6-preview Shut Down Today — Your Next Deadline Is September 30, When gemini-omni-flash-preview Goes Away
From today's gemini-robotics-er-1.6-preview shutdown to the September 30 retirement of gemini-omni-flash-preview and the December 31 pricing change, here is every upcoming Gemini deadline in one table, with what to do about each.
Define What Counts as a Duplicate Before Adding Embedding Search to Your Image Pipeline
My dedup check flagged two prints with identical composition but different colors as one image. Here is how I split duplicate detection into three layers, measured where perceptual hashing ends, and decided what embedding search is actually for.
Before You Unshare a Drive File, There Is a Setting That Already Keeps Gemini Out
How far Gemini can read into your Drive is decided by your own access rights and by a file-level restriction, not by a Gemini setting. Here is the switch owners can flip without unsharing, plus what admins get with DLP for Gemini.
Why Shipped Clients Deserve a Refusal, Not a Silent Model Substitution
A model can retire, but the apps already on people's phones cannot. This is how I built a sunset ledger keyed on output contracts, and how I now back-date my own deadline from the version residue curve.
Smart mode in gemini-3.5-transcribe returns no speaker labels and no word timestamps
Smart mode in gemini-3.5-transcribe cannot be combined with diarization_mode or timestamp_granularities. Here is why the mode field accepts two types, and why enabling features halves your audio limit.
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