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C++ static virtual members?

...what would happen when you called Object::GetTypeInformation()? It can't know which derived class version to call since there's no object associated with it. You'll have to make it a non-static virtual function to work properly; if you also want to be able to call a specific derived class's versio...
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Ubuntu says “bash: ./program Permission denied” [closed]

...s for files on external volumes, but that is beyond the scope I can answer now.) – Eric Postpischil Sep 13 '18 at 18:52 2 ...
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Decimal number regular expression, where digit after decimal is optional

... Thanks Pete, well spotted. The answer has now been corrected, by adding extra parenthesis so it behaves as intended. It is now written like ^A?(B|C)$. Previously, it was written like ^A?B|C$ which actually means (^A?B)|(C$) which was incorrect. Note: ^(A?B|C)$ is als...
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How to get all child inputs of a div element (jQuery)

... Interesting... Now I'm confused... The : is for pseudo-classes, isn't it? But we want to select an element type. Why the :? – mnemosyn Mar 8 '10 at 16:15 ...
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How to format numbers? [duplicate]

... max="5" step="1" value="2" title="number of decimal places?" /> Now the other version, without rounding. This takes a different route and attempts to avoid mathematical calculation (as this can introduce rounding, or rounding errors). If you don't want rounding, then you are only dealing...
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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]

I have been googling for about 90 minutes now and still don't have an answer to this. Where do I set default_url_options ? I've already set it for config.action_mailer.default_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an ...
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What's the best online payment processing solution? [closed]

...ease of integration. Oh boy do they differ. I'm sitting on some work right now to do an HSBC integration. I'd rather have a root canal. Some of the systems make big assumptions about the way you have to work with them, and are poorly designed or inflexible. Retro-fitting them to an active site can b...
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Remove .php extension with .htaccess

...-11-14 - Fixed the above snippet to incorporate nicorellius's observation Now requests for hi.txt (and anything else) are successful, requests to example.com/test will return the processed version of test.php, and index.php files will work again. I must give credit where credit is due for this sol...
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How can I ensure that a division of integers is always rounded up?

...integer that is greater than the quotient, that is, it always rounds up. Now we have a specification, so we know we can come up with a testable design. Suppose we add an additional design criterion that the problem be solved solely with integer arithmetic, rather than computing the quotient as a ...
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How do you design object oriented projects? [closed]

... Adding to what Scott Davies had to say: Make absolutely sure you know what your program is all about before you start. What is your program? What will it not do? What problem is it trying to solve? Your first set of use cases shouldn't be a laundry list of everything the program will eve...