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Finding index of character in Swift String

... You are not the only one who couldn't find the solution. String doesn't implement RandomAccessIndexType. Probably because they enable characters with different byte lengths. That's why we have to use string.characters.count (count or countElements in Swift 1.x) to get the number of...
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What's the point of malloc(0)?

...ht_be_zero) perhaps could have their uses, although again you have to take extra care not to treat a NULL return as a failure if the value is 0, but a 0 size is supposed to be OK. share | improve th...
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How to read the content of a file to a string in C?

...you want to interpret it) to open a file in C and read its contents into a string (char*, char[], whatever)? 11 Answers ...
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Quick Way to Implement Dictionary in C

...ng it from scratch. I don't want it to be generic either -- something like string->int will do. But I do want it to be able to store an arbitrary number of items. ...
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Listing all permutations of a string/integer

...ming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation. ...
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What is array to pointer decay?

... the operand of the sizeof operator or the unary & operator, or is a string literal used to initialize an array, an expression that has type ‘‘array of type’’ is converted to an expression with type ‘‘pointer to type’’ that points to the initial element of the array object ...
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Bytes of a string in Java

In Java, if I have a String x , how can I calculate the number of bytes in that string? 8 Answers ...
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How to do scanf for single char in C [duplicate]

...blem is to put a blank space before the conversion specifier in the format string: scanf(" %c", &c); The blank in the format string tells scanf to skip leading whitespace, and the first non-whitespace character will be read with the %c conversion specifier. ...
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How to convert a data frame column to numeric type?

... char_fac = factor(letters[1:5]), num = 1:5, stringsAsFactors = FALSE) Let us have a glance at data.frame > d char fake_char fac char_fac num 1 a 1 1 a 1 2 b 2 2 b 2 3 c 3 3 c 3 4 d 4 ...
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Concept behind these four lines of tricky C code

... 'u' 0x53 'S' 0x2B '+' 0x2B '+' 0x43 'C' This pattern corresponds to the string that you see printed, only backwards. At the same time, the second element of the array becomes zero, providing null terminator, making the string suitable for passing to printf(). ...