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What exactly is a C pointer if not a memory address?
In a reputable source about C, the following information is given after discussing the & operator:
25 Answers
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]
I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters.
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How to set java_home on Windows 7?
I went to the Environment Variables in 'System' in the control panel and made two new variables, one for user variables and one for system variables. Both were named JAVA_HOME and both pointing to
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Why do C++ libraries and frameworks never use smart pointers?
I read in a few articles that raw pointers should almost never be used. Instead they should always be wrapped inside smart pointers, whether it's scoped or shared pointers.
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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
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How do I get the name of the current executable in C#?
I want to get the name of the currently running program, that is the executable name of the program. In C/C++ you get it from args[0] .
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How to use R's ellipsis feature when writing your own function?
The R language has a nifty feature for defining functions that can take a variable number of arguments. For example, the function data.frame takes any number of arguments, and each argument becomes the data for a column in the resulting data table. Example usage:
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How to add an object to an array
How can I add an object to an array (in javascript or jquery)?
For example, what is the problem with this code?
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What is the best open XML parser for C++? [duplicate]
I am looking for a simple, clean, correct XML parser to use in my C++ project. Should I write my own?
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How to generate keyboard events in Python?
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