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Why do we need virtual functions in C++?
I'm learning C++ and I'm just getting into virtual functions.
26 Answers
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Unlink of file failed
I'm trying to do a git pull and I get the following error:
17 Answers
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How do I loop through a date range?
I'm not even sure how to do this without using some horrible for loop/counter type solution. Here's the problem:
16 Answer...
How to set up a PostgreSQL database in Django
I'm new to Python and Django.
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Git keeps asking me for my ssh key passphrase
I created keys as instructed in the github tutorial, registered them with github, and tried using ssh-agent explicitly — yet git continues to ask me for my passphrase every time I try to do a pull or a push.
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Language Books/Tutorials for popular languages
It wasn't that long ago that I was a beginning coder, trying to find good books/tutorials on languages I wanted to learn. Even still, there are times I need to pick up a language relatively quickly for a new project I am working on. The point of this post is to document some of the best tutorials ...
How do I subtract minutes from a date in javascript?
How can I translate this pseudo code into working js [don't worry about where the end date comes from except that it's a valid javascript date].
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Why are preprocessor macros evil and what are the alternatives?
I have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alte...
Why is sizeof considered an operator?
Why is sizeof considered an operator and not a function?
10 Answers
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Convert a list to a data frame
I have a nested list of data. Its length is 132 and each item is a list of length 20. Is there a quick way to convert this structure into a data frame that has 132 rows and 20 columns of data?
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