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Why does C++ not allow inherited friendship?

Why is friendship not at least optionally inheritable in C++? I understand transitivity and reflexivity being forbidden for obvious reasons (I say this only to head off simple FAQ quote answers), but the lack of something along the lines of virtual friend class Foo; puzzles me. Does anyone know ...
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Why can't I overload constructors in PHP?

I have abandoned all hope of ever being able to overload my constructors in PHP, so what I'd really like to know is why . ...
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What is the function __construct used for?

...ave been noticing __construct a lot with classes. I did a little reading and surfing the web, but I couldn't find an explanation I could understand. I am just beginning with OOP. ...
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How to retrieve an element from a set without removing it?

...pop(), since iteration seems to sort the elements. I would prefer them in random order... – Daren Thomas Sep 12 '08 at 20:17 10 ...
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force browsers to get latest js and css files in asp.net application

Some browsers cache js and css files, failing to refresh them unless you force them to. What's the easiest way. 22 Answers...
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How do I change the cursor between Normal and Insert modes in Vim?

... A popular option to indicate switching to and from Insert mode is toggling the cursorline option, which is responsible for whether the current screen line is highlighted (see :help cursorline): :autocmd InsertEnter,InsertLeave * set cul! or, alternatively: :autocmd ...
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Can't use Swift classes inside Objective-C

...try to integrate Swift code in my app.My app is written in Objective-C and I added a Swift class. I've done everything described here . But my problem is that Xcode haven't created the -Swift.h file, only the bridging headers. So I created it, but it's actually empty. I can use all my Obj...
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newline in [duplicate]

... This should now work with Internet Explorer, Firefox v12+ and Chrome 28+ <img src="'../images/foo.gif'" alt="line 1
line 2" title="line 1
line 2"> Try a JavaScript tooltip library for a better result, something like OverLib. ...
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Bash script to calculate time elapsed

...a script in bash to calculate the time elapsed for the execution of my commands, consider: 10 Answers ...
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Why do I need to explicitly push a new branch?

I am new in git and I am practicing. I created a local branch but I saw that when I did git push my branch was not uploaded to the repository. I had to actually do: git push -u origin --all . Why is this? Isn't a branch a new change to be pushed by default? Why do I need to run the second com...