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Why do we copy then move?
I saw code somewhere in which someone decided to copy an object and subsequently move it to a data member of a class. This left me in confusion in that I thought the whole point of moving was to avoid copying. Here is the example:
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How many constructor arguments is too many?
...The ideal number of arguments for a function is zero (niladic). Next comes one (monadic) followed closely by two (dyadic). Three arguments (triadic) should be avoided where possible. More than three (polyadic) requires very special justification—and then shouldn't be used anyway.
He says this be...
What are some resources for getting started in operating system development? [closed]
One thing I've always wanted to do is develop my very own operating system (not necessarily fancy like Linux or Windows, but better than a simple boot loader which I've already done).
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Count the number occurrences of a character in a string
...unter provides them all in a more succinct form. If you want the count for one letter from a lot of different strings, Counter provides no benefit.
– Brenden Brown
Feb 17 '15 at 19:30
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git pull aborted with error filename too long
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I updated answer with that, to have at one place, thanks.
– Daniel Hári
Nov 23 '17 at 18:30
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Why do people hate SQL cursors so much? [closed]
...ia going on where people are going to great lengths to avoid having to use one.
14 Answers
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How can I check if a View exists in a Database?
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Presumably one should put the name of the view being checked in the quotes? Otherwise this will never work :)
– Reversed Engineer
Aug 21 '17 at 12:54
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What is the difference between atomic / volatile / synchronized?
..., then the first assigns a new value to i (say, from 1 to 6) and the other one does the same thing (from 1 to 6).
The synchronization must span from reading to assigning a value. Your first synchronization has no effect (reading an int is atomic) and the second as well. In my opinion, these are the...
Excel: last character/string match in a string
...gh it's replicable in older versions (yet I have not seen it before), when one has Excel O365 one can use:
=MATCH(2,1/(MID(A1,SEQUENCE(LEN(A1)),1)="Y"))
This can also be used to retrieve the last position of (overlapping) substrings:
=MATCH(2,1/(MID(A1,SEQUENCE(LEN(A1)),2)="YY"))
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Position: absolute and parent height?
...ve some containers and their children are only absolute / relatively positioned. How to set containers height so their children will be inside of them?
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