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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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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 remove the first and the last character of a string
I'm wondering how to remove the first and last character of a string in Javascript.
9 Answers
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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 ...
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().
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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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Max length for client ip address [duplicate]
...er for details about IPv4-mapped IPv6 addresses. (The correct maximum IPv6 string length is 45 characters.)
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How do function pointers in C work?
...nted programming in C.
For example, the following lines is written in C:
String s1 = newString();
s1->set(s1, "hello");
Yes, the -> and the lack of a new operator is a dead give away, but it sure seems to imply that we're setting the text of some String class to be "hello".
By using funct...
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 ...