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__FILE__, __LINE__, and __FUNCTION__ usage in C++

...Y_FUNCTION__ when it's available for the extra class scoping. PS: static string getScopedClassMethod( string thePrettyFunction ) { size_t index = thePrettyFunction . find( "(" ); if ( index == string::npos ) return thePrettyFunction; /* Degenerate case */ thePrettyFunction . erase( in...
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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 *). share | improve this answer | follow | ...
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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...
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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 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...
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Why declare a struct that only contains an array in C?

... 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...
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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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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 tell PowerShell to wait for each command to end before starting the next?

...Depending on the need, I will typically pipe to Out-Null, Out-Default, Out-String or Out-String -Stream. Here is a long list of some other output options. # Saving output as a string to a variable. $output = ping.exe example.com | Out-String # Filtering the output. ping stackoverflow.com | where { ...
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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...