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What exactly is Heroku?
I just started learning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it?
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Why do you program in assembly? [closed]
I have a question for all the hardcore low level hackers out there. I ran across this sentence in a blog. I don't really think the source matters (it's Haack if you really care) because it seems to be a common statement.
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How did I get a value larger than 8 bits in size from an 8-bit integer?
I tracked down an extremely nasty bug hiding behind this little gem. I am aware that per the C++ spec, signed overflows are undefined behavior, but only when the overflow occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefin...
When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
4 Answers
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Make sure only a single instance of a program is running
Is there a Pythonic way to have only one instance of a program running?
20 Answers
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Java 8 stream's .min() and .max(): why does this compile?
Note: this question originates from a dead link which was a previous SO question, but here goes...
5 Answers
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How do you create a remote Git branch?
I created a local branch which I want to 'push' upstream. There is a similar question here on Stack Overflow on how to track a newly created remote branch.
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Try catch statements in C
I was thinking today about the try/catch blocks existent in another languages. Googled for a while this but with no result. From what I know, there is not such a thing as try/catch in C. However, is there a way to "simulate" them?
Sure, there is assert and other tricks but nothing like try/catch, ...
What happens if you don't commit a transaction to a database (say, SQL Server)?
Suppose I have a query:
9 Answers
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Add text to Existing PDF using Python
I need to add some extra text to an existing PDF using Python, what is the best way to go about this and what extra modules will I need to install.
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