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How do I URL encode a string
I have a URL string ( NSString ) with spaces and & characters. How do I url encode the entire string (including the & ampersand character and spaces)?
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How can I unit test Arduino code?
...rks-in-progress in branches other than master, so check those branches for extra tests, too.
I chose to write my own lightweight test routines, but more robust unit-test frameworks like CppUnit are also available.
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Should I use char** argv or char* argv[]?
...har *argv[] because it shows that is a fixed size array of variable length strings (which are usually char *).
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How to print binary tree diagram?
... n23.left = n33;
return root;
}
public static void main(String[] args) {
BTreePrinter.printNode(test1());
BTreePrinter.printNode(test2());
}
}
class Node<T extends Comparable<?>> {
Node<T> left, right;
T data;
public Node(T dat...
Best way to repeat a character in C#
What it's the best way to generate a string of \t 's in C#
19 Answers
19
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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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Why declare a struct that only contains an array in C?
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You can use struct to make a new type of data like string. you can define :
struct String {
char Char[MAX];
};
or you can create a List of data that you can use it by argument of functions or return it in your methods. The struct is more flexible than an array, because...
How can we match a^n b^n with Java regex?
...'s start with a simpler problem: we want to match a+ at the beginning of a string, but only if it's followed immediately by b+. We can use ^ to anchor our match, and since we only want to match the a+ without the b+, we can use lookahead assertion (?=…).
Here is our pattern with a simple test harn...
How many and which are the uses of “const” in C++?
... compiler help you to decide when and when not you need to copy.
struct MyString {
char * getData() { /* copy: caller might write */ return mData; }
char const* getData() const { return mData; }
};
Explanation: You might want to share data when you copy something as long as the data of th...
Splitting string into multiple rows in Oracle
...s wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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