Haskell: Converting Int to String
I know you can convert a String to an number with read: Prelude> read “3” :: Int 3 Prelude> read “3” :: Double 3.0 But how do you grab the String representation of an Int value? 4 Answers 4
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What’s the difference between a character, a code point, a glyph and a grapheme?
Trying to understand the subtleties of modern Unicode is making my head hurt. In particular, the distinction between code points, characters, glyphs and graphemes – concepts which in the simplest case, when dealing with English text using ASCII characters, all have a one-to-one relationship with each other – is causing me trouble. Seeing how these … Read more
How to concatenate strings with padding in sqlite
I have three columns in an sqlite table: Column1 Column2 Column3 A 1 1 A 1 2 A 12 2 C 13 2 B 11 2 I need to select Column1-Column2-Column3 (e.g. A-01-0001). I want to pad each column with a – I am a beginner with regards to SQLite, any help would be appreciated … Read more
How can I read a whole file into a string variable
I have lots of small files, I don’t want to read them line by line. Is there a function in Go that will read a whole file into a string variable? 6 Answers 6
Repeat string to certain length
What is an efficient way to repeat a string to a certain length? Eg: repeat(‘abc’, 7) -> ‘abcabca’ Here is my current code: def repeat(string, length): cur, old = 1, string while len(string) < length: string += old[cur-1] cur = (cur+1)%len(old) return string Is there a better (more pythonic) way to do this? Maybe using … Read more
What is the syntax for a multiline string literal?
I’m having a hard time figuring out how string syntax works in Rust. Specifically, I’m trying to figure out how to make a multiple line string. 5 Answers 5
Check if a string contains another string
I want to find if a string contains a “,”(comma) in it. Do we have any other option other than reading char-by-char? 5 Answers 5
Generate random alphanumeric string in Swift
How can I generate a random alphanumeric string in Swift? 23 Answers 23
What is the difference between a “line feed” and a “carriage return”?
If there are two keywords then they must have their own meanings. So I want to know what makes them different and what their code is. 4 Answers 4
How many bytes does one Unicode character take?
I am a bit confused about encodings. As far as I know old ASCII characters took one byte per character. How many bytes does a Unicode character require? I assume that one Unicode character can contain every possible character from any language – am I correct? So how many bytes does it need per character? … Read more
