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How can I check if a single character appears in a string?
...
You can use string.indexOf('a').
If the char a is present in string :
it returns the the index of the first occurrence of the character in
the character sequence represented by this object, or -1 if the
character does not occur...
What is the difference between _tmain() and main() in C++?
...ce this for the main function, you get a program where an array of wchar_t strings are passed to the main function, which interprets them as char strings.
Now, in UTF-16, the character set used by Windows when Unicode is enabled, all the ASCII characters are represented as the pair of bytes \0 foll...
Delete last char of string
... lot of information in a list, linked to a database and I want to create a string of groups, for someone who is connected to the website.
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What is a rune?
...rom this (erroneous) assumption C treated characters as 'bytes' char, and 'strings' as a 'sequence of characters' char*.
But guess what. There are many other symbols invented by humans other than the 'abcde..' symbols. And there are so many that we need 32 bit to encode them.
In golang then a st...
Clang vs GCC for my Linux Development project
...r for beginners to interpret.
Consider this simple snippet:
#include <string>
#include <iostream>
struct Student {
std::string surname;
std::string givenname;
}
std::ostream& operator<<(std::ostream& out, Student const& s) {
return out << "{" << s.surn...
Haskell: Lists, Arrays, Vectors, Sequences
... up performance tends to come from [Char] which the prelude has aliased as String. Char lists are convient, but tend to run on the order of 20 times slower than C strings, so feel free to use Data.Text or the very fast Data.ByteString. I'm sure there are other sequence oriented libraries I'm not t...
Format XML string to print friendly XML string
I have an XML string as such:
9 Answers
9
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What is the purpose of std::make_pair vs the constructor of std::pair?
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int main() {
MyClass<int> my_class(1);
}
then:
g++-8 -Wall -Wextra -Wpedantic -std=c++17 main.cpp
compiles happily, but:
g++-8 -Wall -Wextra -Wpedantic -std=c++14 main.cpp
fails with:
main.cpp: In function ‘int main()’:
main.cpp:13:13: error: missing template arguments before...
How to remove leading and trailing whitespace in a MySQL field?
...all tabs/newlines. TRIM should only remove whitespace at either end of the string.
– DisgruntledGoat
Jun 6 '14 at 0:19
1
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Is there an easy way to return a string repeated X number of times?
I'm trying to insert a certain number of indentations before a string based on an items depth and I'm wondering if there is a way to return a string repeated X times. Example:
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