141–150 of 287 posts
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You are in the wrong job if you don’t want to think about “nerd shit” while programming.
Idk it pays my bills and I have success at work so I must do something right.
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Well I just hope I don’t have to use any of the software you build. What a shameful attitude.
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It’s not wrong that " ".length == 7 (2019) - https://news.ycombinator.com/item?id=36159443 - June 2023 (303 comments)
String length functions for single emoji characters evaluate to greater than 1 - https://news.ycombinator.com/item?id=26591373 - March 2021 (127 comments)
String Lengths in Unicode - https://news.ycombinator.com/item?id=20914184 - Sept 2019 (140 comments)
ironic that unicode is stripped out the post's title here, making it very much wrong ;) for context, the actual post features an emoji with multiple unicode codepoints in between the quotes
Is there a way to represent this string with escaped codepoints? It would be both amusing and in HN's plaintext spirit to do it that way in the title above, but my Unicode is weak.
I think that string length is one of those things that people (including me) don't realise they never actually want. In a production system, I have never actually wanted string length. I have wanted: - Number of bytes this will be stored as in the DB - Number of monospaced font character blocks this string will take up on the screen - Number of bytes that are actually being stored in memory "String length" is just a…
ASCII is very convenient when it fits in the solution space (it’d better be, it was designed for a reason), but in the global international connected computing world it doesn’t fit at all. The problem is all the tutorials, especially low level ones, assume ASCII so 1) you can print something to the console and 2) to avoid mentioning that strings are hard so folks don’t get discouraged. Notably Rust did the correct th…
In addition to separate string types, they have separate iterator types that let you explicitly get the value you want. So:
String.len() == number of bytes
String.bytes().count() == number of bytes
String.chars().count() == number of unicode scalar values
String.graphemes().count() == number of graphemes (requires unicode-segmentation which is not in the stdlib)
String.lines().count() == number of lines
Related. Others? (Also, anybody know the answer to https://news.ycombinator.com/item?id=44987514 ?) It’s not wrong that " ".length == 7 (2019) - https://news.ycombinator.com/item?id=36159443 - June 2023 (303 comments) String length functions for single emoji characters evaluate to greater than 1 - https://news.ycombinator.com/item?id=26591373 - March 2021 (127 comments) String Lengths in Unicode - https://news.ycombi…
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I prefer languages where strings are simply sequences of bytes and you get to decide how to interpret them.
Yes, I always roll my eyes when people complain that C strings or C++'s std::string/string_view don't have Unicode support. They are bags of bytes with support for concatenation. Any other transformation isn't going to have a "correct" way to do it so you need to be aware of what you want anyway.
I think that string length is one of those things that people (including me) don't realise they never actually want. In a production system, I have never actually wanted string length. I have wanted: - Number of bytes this will be stored as in the DB - Number of monospaced font character blocks this string will take up on the screen - Number of bytes that are actually being stored in memory "String length" is just a…