The dangerous bend or caution symbol ☡ [...] was created by the Nicolas Bourbaki group of mathematicians and appears in the margins of mathematics books written by the group. It resembles a road sign that indicates a "dangerous bend" in the road ahead, and is used to mark passages tricky on a first reading or with an especially difficult argument.
Schlagwort: Schreiben
☡.
Schreibk(r)ampf.
Anyone moderately familiar with the rigours of composition will not need to be told the story in detail; how he wrote and it seemed good; read and it seemed vile; corrected and tore up; cut out; put in; was in ecstasy; in despair; had his good nights and bad mornings; snatched at ideas and lost them; saw his book plain before him and it vanished;
Virginia Woolf: Orlando: A Biography
Progrem.
I write an average of five new programs every week. Poets have to write poems. I have to write computer programs.
The ultimate test of whether I understand something is if I can explain it to a computer. I can say something to you and you’ll nod your head, but I’m not sure that I explained it well. But the computer doesn’t nod its head. It repeats back exactly what I tell it. In most of life, you can bluff, but not with computers.
Donald Knuth in Quanta Magazine: The Computer Scientist Who Can’t Stop Telling Stories
Preparing slow and using fast.
Often taking longer than expected:
- cooking
- writing
- thinking
Often taking shorter than expected:
- eating
- reading
- doing
Elongated nons.
As nouns the difference between car and train is that car is (dated) a wheeled vehicle, drawn by a horse or other animal or car can be (computing) the first part of a cons in lisp the first element of a list while train is elongated portion or train can be (obsolete) treachery; deceit.