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Pointer to class data member “::*”

...at, well it gives you another level of indirection that can solve some tricky problems. But to be honest, I've never had to use them in my own code. Edit: I can't think off-hand of a convincing use for pointers to member data. Pointer to member functions can be used in pluggable architectures, but...
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Pointers in C: when to use the ampersand and the asterisk?

I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, string...
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How do I browse an old revision of a Subversion repository through the web view?

I know how to browse my project's Subversion repository through its web front-end, but it seems that I can only browse the latest revision of the trunk. Is there a way to browse an older revision of the trunk through the web UI? ...
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Filter data.frame rows by a logical condition

...rame based on a logical condition. Let's suppose that I have data frame like 9 Answers ...
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C++ preprocessor __VA_ARGS__ number of arguments

.... In variadic argument macros, how to find the number of arguments? I am okay with boost preprocessor, if it has the solution. ...
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PHP array: count or sizeof?

... "sizeof(), what is that?" and having to consult the documentation. I think it means sizeof() does not work like it does in C (calculating the size of a datatype). It probably made this mention explicitly because PHP is written in C, and provides a lot of identically named wrappers for C functions ...
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Text overwrite in visual studio 2010

... If pressing the Insert key doesn't work, try doubleclicking the INS/OVR label in the lower right corner of Visual Studio. share | improve this ans...
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How to copy to clipboard in Vim?

...to the OS's clipboard. Is there any such command in Vim or you can only yank stuff within Vim? 33 Answers ...
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How do I remove leading whitespace in Python?

...ed Sep 27 '17 at 22:40 Stevoisiak 13.9k1616 gold badges9191 silver badges153153 bronze badges answered Jun 6 '09 at 7:57 ...
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How to launch Safari and open URL from iOS app

On the settings page, I want to include three links to 15 Answers 15 ...