Cheat sheet: Beyond the demo
The 39 terms of this lesson, part by part, with the French word a team in France would use.
1. A demo shows the path where everything goes right
- Demodémo
- a showing of a tool at work, on a path chosen so that everything goes right.
- Happy pathcas nominal
- the path through a tool where the user does everything right and nothing fails.
- Prototypeprototype
- a first working version of a tool, made quickly to try an idea before building it properly.
- Edge casecas limite
- a difficult value to test a tool with, such as zero, a decimal, a negative number or an empty field.
- Access rulesdroits d'accès
- rules that decide who can see or change each piece of data, such as each client seeing only their own files.
- 90-90 rulerègle des 90-90
- a programmers' joke that the first 90% of the work takes 90% of the time, and the last 10% takes the other 90%.
- AI agentagent d'IA
- a program that reads and writes a project's files and runs commands, following your requests in a chat.
2. Who uses it, and what is at stake
- Pilotpilote, phase pilote
- a first period when a small group of real users tries a tool, before everyone gets it.
- Internal tooloutil interne
- an app built only for a company's own staff, such as a dashboard or a booking tool for the team.
- Security reviewaudit de sécurité
- a check by a specialist who looks for ways an attacker could reach accounts or data.
- GDPRRGPD
- the European law on personal data, which applies as soon as a site collects a name or an email.
- App store reviewvalidation sur les stores
- the check that Apple and Google make on each new version of an app before it appears in their stores.
- Prototypeprototype
- a first working version of a tool, made quickly to try an idea before building it properly.
3. An estimate is a guess
- Estimateestimation
- an approximate price or duration, given early, which can still change.
- Unknowninconnue
- a part of the work that nobody understands yet, such as another company's system, which makes an estimate uncertain.
- Investigationétude préalable, spike
- a short piece of work, often a few days, to clear the biggest unknown before estimating the rest.
- Documentationdocumentation
- the written guide to a system or a service, which explains how other software can connect to it.
- Rangefourchette
- a low and a high figure, such as €3,000 to €6,000, given instead of one exact number.
4. A date is a promise
- Estimateestimation
- an approximate price or duration, given early, which can still change.
- Rangefourchette
- a low and a high figure, such as €3,000 to €6,000, given instead of one exact number.
- Deadlineéchéance
- the date when the work must be finished or the site must be online.
- Scopepérimètre
- everything a version of the project includes, written down so that everyone agrees on it.
- Hofstadter's lawloi de Hofstadter
- the rule that work always takes longer than you expect, even when you take this rule into account.
5. How much reliability to buy
- Availabilitydisponibilité
- the share of the time that a site works, such as 99.9%, which still allows about 9 hours offline a year.
- Downtimeindisponibilité
- the time during which a site doesn't work for its visitors.
- SLASLA, engagement de service
- a provider's written promise about availability and response times, which says what it pays if it fails.
- Service creditavoir
- a small refund that a provider gives when it breaks its promise, usually much less than your lost sales.
- On callastreinte
- being ready to answer and fix problems outside working hours, such as at night.
- Peakpic d'activité
- the short period when a site has many more visitors or sales than usual, such as the weeks before Christmas.
- Load testtest de charge
- a test that sends the traffic of many visitors to a site at once, to check that it holds before a busy day.
- Code freezegel des mises en production
- a period, such as December for a shop, when nobody puts new changes online.
- Virtual queuefile d'attente virtuelle
- a waiting page that lets visitors into a busy site a few at a time, as for concert tickets.
- Uptime monitoringmonitoring, supervision
- a service that checks a site every few minutes and alerts you when it stops answering.
6. What to ask
- Demodémo
- a showing of a tool at work, on a path chosen so that everything goes right.
- Pilotpilote, phase pilote
- a first period when a small group of real users tries a tool, before everyone gets it.
- Rangefourchette
- a low and a high figure, such as €3,000 to €6,000, given instead of one exact number.
- Unknowninconnue
- a part of the work that nobody understands yet, such as another company's system, which makes an estimate uncertain.
- Availabilitydisponibilité
- the share of the time that a site works, such as 99.9%, which still allows about 9 hours offline a year.
- Service creditavoir
- a small refund that a provider gives when it breaks its promise, usually much less than your lost sales.
Web Technologies · Orders of magnitude · wt.thomasjuldo.com/course/orders-of-magnitude/beyond-the-demo