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Why do we need a pure virtual destructor in C++?
I understand the need for a virtual destructor. But why do we need a pure virtual destructor? In one of the C++ articles, the author has mentioned that we use pure virtual destructor when we want to make a class abstract.
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How do I convert from BLOB to TEXT in MySQL?
I have a whole lot of records where text has been stored in a blob in MySQL. For ease of handling I'd like to change the format in the database to TEXT... Any ideas how easily to make the change so as not to interrupt the data - I guess it will need to be encoded properly?
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Moment.js - how do I get the number of years since a date, not rounded up?
I'm trying to calculate a person's age using Moment.js , but I'm finding that the otherwise useful fromNow method rounds up the years. For instance, if today is 12/27/2012 and the person's birth date is 02/26/1978, moment("02/26/1978", "MM/DD/YYYY").fromNow() returns '35 years ago'. How can I m...
Convert timestamp to readable date/time PHP
I have a timestamp stored in a session (1299446702).
13 Answers
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proguard hell - can't find referenced class
So, I'm TRYING to release some software but Proguard is giving me a headache.
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Convert a string to an enum in C#
What's the best way to convert a string to an enumeration value in C#?
25 Answers
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Default background color of SVG root element
I'd like to set a default background color for the entire SVG document, to red for example.
6 Answers
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Is Python strongly typed?
I've come across links that say Python is a strongly typed language.
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Are the shift operators () arithmetic or logical in C?
In C, are the shift operators ( << , >> ) arithmetic or logical?
11 Answers
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C++ Tuple vs Struct
Is there is any difference between using a std::tuple and a data-only struct ?
12 Answers
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