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Pure virtual destructor in C++
... have an implementation, undefined behavior will ensue. On one popular platform, that will invoke the purecall handler and crash.
Edit: fixing the declaration to be more conformant, compiled with http://www.comeaucomputing.com/tryitout/
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What characters can be used for up/down triangle (arrow without stem) for display in HTML?
... DEMO ON JSFIDDLE
PROS
No need to include additional resources in the form of images or fonts.
Supports full alpha transparency.
Full cross-browser support.
Small images/icons can be stored in a database.
CONS
Updating/editing can become a hassle.
Not suitable for large images due to excess...
Can we append to a {% block %} rather than overwrite?
...amework in django and the django-cms. Yes there is the Media class used in forms in django, but really that doesn't work that well. Usually the frontend guys want to decide on css and javascript files to be included and they don't want to have to edit Python files to change that neither did I want t...
How to take screenshot of a div with JavaScript?
...swered Jan 11 '17 at 7:45
orange01orange01
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How do I get the filepath for a class in Python?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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vim and NERD Tree extension - adding a file
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$window.unbind('scroll', onScroll);
}
};
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How do I make sure every glyph has the same width?
...simple and easy to scale glyph or any icon using this css
> .fa { transform: scale(1.5,1); }
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Relational table naming convention [closed]
...tion (stored proc or function)
_fn Function (non-transactional), etc.
The format is the table or FK name, an underscore, and action name, an underscore, and finally the suffix.
This is really important because when the server gives you an error message:
____blah blah blah error on object_nam...
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...ique with string content received from untrusted
input, such as from web forms or other user-input applications.
SQLAlchemy’s facilities to coerce Python values into direct SQL string
values are not secure against untrusted input and do not validate the
type of data being passed. Always us...
How to count certain elements in array?
...ersely nowadays as [...].filter(x => x==2).length. If you care about performance, note that while this is asymptotically the same performance as the for-loop (O(N) time), it may require O(N) extra memory (instead of O(1) memory) because it will almost certainly generate an intermediate array and ...