LAUNDRY CARE SYMBOLS
the 28 symbols of the everyday clothing tag per ISO 3758:2023: five treatments in a fixed order, sharing one set of modifiers
THE ASCII TABLE
all 128 positions: the column is the three high bits, the row is the four low ones
THE BASE32 ENCODING
forty bits to a quantum: five bytes, eight characters and five padding cases
THE BASE64 ENCODING
three bytes become four characters: the alphabet, the tail, and what the "=" at the end is for
HTTP METHODS · 2026
ten methods per RFC 9110, 5789 and 10008: which are safe, which are idempotent, which can be retried
SPECIAL-PURPOSE IPv4 BLOCKS
14 blocks that belong to no host on the internet — 13.8 % of the address space, of which exactly one eighth is multicast and reserved
KANBAN
the board, the limit on work in progress, and the four metrics that measure flow
QUOTING IN THE SHELL
29 characters named by the standard, 4 ways to take the meaning off them — and the 3 characters where double quotes stop
INSERTION SORT
the way cards are ordered in the hand · the trace of one real run
QUICKSORT
splitting around a pivot · the trace of one real run
TWO-CAMERA SPEAKER SETUP
the lighting triangle and where each of the 2 cameras stands · the floor plan from above
THREE-CAMERA SPEAKER SETUP
the lighting triangle and where each of the 3 cameras stands · the floor plan from above
SUBNET MASKS
from /0 to /32: the mask, how many addresses a block holds, and how many of them go to hosts
UML DIAGRAMS
the fourteen kinds, and the notation a class diagram is made of
PERCENT-ENCODING IN URIs
128 ASCII positions: 66 unreserved, 18 delimiters, 43 that must always be encoded — and the "%" itself
THE UTF-8 ENCODING
how a Unicode code point falls into one, two, three or four bytes — and which bytes never appear
VIM COMMANDS
modes, motions and editing per the Vim 9.1 help — and the grammar that composes them into commands
COCKTAIL FORMULAS
five templates by ratio, not fixed recipes — millilitres straight from the official IBA recipes
NINE DRINKS
the same coffee, different proportions
HOW MUCH COFFEE TO WATER
six methods · weight, grind, time
ESPRESSO
the nine requirements of a certified Italian espresso, with their tolerances
MINIMUM MATURATION
how long each spirit must sit in the barrel before it may bear its name — fifteen legal minimums on one scale
THE ISO 3591 GLASS
the only wine glass with dimensions instead of adjectives
WINE TEMPERATURE
neither from the fridge nor from the room — not one of them
THE BOILED EGG
soft, medium and hard: the minutes on the timer — and the degrees at which the white and the yolk set
CAST IRON SKILLET
seasoning in 6 steps and everyday care — after the official Lodge instructions
SUGAR IN FRUIT
grams of natural sugar per 100 g of fresh fruit — and how much water sits beside it
HERBS AND SPICES
what pairs with what, how much to use and what swaps for what — per extension publications MF3539 (Kansas State) and FN198 (NDSU)
SAFE MEAT TEMPERATURES
USDA minimums inside the cut: three numbers for all meat, the rest time, and an oven plan
THE SCOVILLE SCALE
chilli heat from the bell pepper to Pepper X: four peppers drawn to true scale, and the ladder of varieties
SOURDOUGH BREAD
the timeline, hydration and grams — per King Arthur Baking’s Naturally Leavened Sourdough Bread
TABLE SERVICE
which side each thing arrives from, in what order the table is served, and what the hand may touch
THE BRAILLE ALPHABET
63 characters of the cell in seven lines — 26 letters, the digits, the punctuation and 8 prefixes
BARBELL MATHS
the IWF colour code and the plate count: from target weight to each side of the bar, no calculator
BIT DEPTH
how many steps the level is cut into, what a bit adds, and why floating point is not the next row
CIRCLE OF FIFTHS
12 keys · key signatures · relative minors
DI, REAMP AND PREAMP
three boxes on one ruler of levels — where each one leads from and to
DRUM KIT NOTATION
where every drum and cymbal sits on the staff — per the Percussive Arts Society standard
THE ELECTRIC GUITAR PICKUP
one coil or two · six builds · where it sits along the string, and how high above it
ARPEGGIOS ON FIVE STRINGS
major and minor in one position · an octave and a fifth from the root
THE PENTATONIC
three positions · the root is marked
LOUDNESS ON DELIVERY
integrated loudness, true peak and the room between them — from the documents, not from hearsay
THE STEREO FIELD
what stays centred · what is spread · why the low end is not panned
MUSICAL DYNAMICS
the loudness marks from pp to ff, crescendo and diminuendo hairpins — and how the piano got its name
NOTE FREQUENCIES
the fundamental of every note in hertz · equal temperament, A = 440 Hz
C MAJOR FINGERING
right and left · one octave and two
SAMPLE RATES
what band each one describes, how much it leaves the filter, and what a minute weighs
THE BEAUFORT SCALE
thirteen forces of wind — from water like a mirror to a wave of fourteen metres