Personal log
Log
I wanted to list them out, for myself, for share, or just for the record.
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Glossary
19 termsserendipity
Finding something good without looking for it; happy accident.
Meeting my cofounder was pure serendipity.
Note · Often contrasted with luck you engineer.
to double down
To commit more strongly to a strategy or opinion.
They doubled down on serverless after the first launch.
caveat
A warning or limitation; something to keep in mind.
One caveat: this only works on HTTPS.
Note · From Latin — literally 'let him beware'.
nuanced
Having subtle differences or shades of meaning; not black-and-white.
The answer is more nuanced than a simple yes or no.
boilerplate
Standard reused text or code; generic template material.
I skipped the legal boilerplate and read the pricing section.
idempotent
Safe to apply more than once — doing it twice has the same effect as once.
PUT is idempotent; repeating the request won’t create duplicates.
ubiquitous
Seeming to be everywhere; very common.
Smartphones are ubiquitous in cities now.
pragmatic
Focused on practical results rather than theory or ideals.
We took a pragmatic shortcut to ship on time.
trade-off
A compromise where gaining one benefit means accepting a cost elsewhere.
Smaller bundles are a trade-off: faster loads, but less room for dev ergonomics.
Note · Often written tradeoff in US English.
verbatim
Word for word; exactly as said or written.
I quoted the release notes verbatim in the changelog.
incremental
Happening in small steps; built up gradually.
We made incremental improvements to LCP each week.
orthogonal
Independent; changing one thing doesn’t force changes in another.
Auth and billing should be orthogonal concerns in the codebase.
ephemeral
Short-lived; not meant to last.
Preview deployments are ephemeral — they vanish after the PR merges.
to rubber duck
To explain a problem out loud (even to an inanimate object) to spot the bug.
I rubber-ducked the race condition and saw the missing await.
latency
Delay between a request and a response; how long you wait.
Edge caching cut API latency from 200 ms to under 40 ms.
throughput
How much work or data is processed per unit of time.
We optimized throughput on the worker by batching KV writes.
graceful degradation
A system keeps core value when parts fail, instead of breaking entirely.
When the CDN hiccups, we show alt text — graceful degradation.
straw man
A weak version of an argument set up only to knock it down — not the real position.
That critique was a straw man; nobody proposed storing passwords in localStorage.
invariably
Always; every time — without exception.
After deploys, someone invariably asks whether we rolled back.