I'm trying to understand Python's approach to variable scope. In this example, why is f() able to alter the value of x , as perceived within main() , but not the value of n ? ...

I have a branch 'firstproject' with 2 commits. I want to get rid of these commits and make them appear as a single commit. ...

So if I have to choose between a hash table or a prefix tree what are the discriminating factors that would lead me to choose one over the other. From my own naive point of view it seems as though using a trie has some extra overhead since it isn't stored as an array but that in terms of run time (a...

I have a certificate in der format, from it with this command I generate a public key: 8 Answers ...

I've got two branches from my master: 8 Answers 8 ...

I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates. ...

I'm an iOS developer with some experience and this question is really interesting to me. I saw a lot of different resources and materials on this topic, but nevertheless I'm still confused. What is the best architecture for an iOS networked application? I mean basic abstract framework, patterns, whi...

I just visited this page http://www.elmastudio.de/ and wondered if it is possible to build the left sidebar collapse with Bootstrap 3. ...

Sometimes when I run an application on device from Xcode I would try to access the keychain but fail due to error -34018. This doesn't match any of the documented keychain error codes and can't be consistently reproduced. (happens maybe 30% of the time, and it's not clear to me why it happens). What...

I have some trouble to convert my data.frame from a wide table to a long table. At the moment it looks like this: 9 Answe...