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Best way to replace multiple characters in a string?
I need to replace some characters as follows: & ➔ \& , # ➔ \# , ...
13 Answers
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Replacing instances of a character in a string
...ce(';', ':') + line[10:]
That'll replace all semi-colons in the first 10 characters of the string.
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Why is argc not a constant?
...at any C function can do. Also, getopt is declared as int getopt(int argc, char * const argv[], const char *optstring);. And here the const is not top level, but declares the pointers to be const, a promise to not modify them (although the strings that they point to might conceivably be modified).
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Extracting text from HTML file using Python
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How if we want to select some line, just said, line #3?
– hepidad
Aug 26 '14 at 19:19
3
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Detecting endianness programmatically in a C++ program
... for !
bool is_big_endian(void)
{
union {
uint32_t i;
char c[4];
} bint = {0x01020304};
return bint.c[0] == 1;
}
The principle is equivalent to the type case as suggested by others, but this is clearer - and according to C99, is guaranteed to be correct. gcc prefers ...
How to check if a String is numeric in Java
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Note that the . in your regex will match any character, not just the decimal separator character.
– jqno
Jul 11 '09 at 8:16
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what is Segmentation fault (core dumped)? [duplicate]
...ith your arguments of main. The main function should be int main(int argc, char *argv[]), and you should check that argc is at least 2 before accessing argv[1].
Also, since you're passing in a float to printf (which, by the way, gets converted to a double when passing to printf), you should use the...
How to get the number of characters in a std::string?
How should I get the number of characters in a string in C++?
12 Answers
12
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Most efficient way to make the first character of a String lower case?
What is the most efficient way to make the first character of a String lower case?
11 Answers
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Does Notepad++ show all hidden characters?
...ould identify the character, where cursor takes 2 arrow keys
to move, just select that character.
do Ctrl-F
now you can count or
replace or even mark all such characters
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