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Why is a 3-way merge advantageous over a 2-way merge?
Wikipedia says a 3-way merge is less error-prone than a 2-way merge, and often times doesn't need user intervention. Why is this the case?
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What is a non-capturing group in regular expressions?
How are non-capturing groups, i.e. (?:) , used in regular expressions and what are they good for?
15 Answers
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What is the HEAD in git?
There seems to be a difference between the last commit, the HEAD and the state of the file I can see in my directory.
5 Ans...
Redis strings vs Redis hashes to represent JSON: efficiency?
...e cases):
Store the entire object as JSON-encoded string in a single key and keep track of all Objects using a set (or list, if more appropriate). For example:
INCR id:users
SET user:{id} '{"name":"Fred","age":25}'
SADD users {id}
Generally speaking, this is probably the best method in most cas...
How to access the ith column of a NumPy multidimensional array?
... reference is reflected in the original array.
– harmands
Oct 18 '16 at 14:21
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Explain the concept of a stack frame in a nutshell
...In the case of a call stack, a stack frame would represent a function call and its argument data.
If I remember correctly, the function return address is pushed onto the stack first, then the arguments and space for local variables. Together, they make the "frame," although this is likely architec...
What characters are forbidden in Windows and Linux directory names?
I know that / is illegal in Linux, and the following are illegal in Windows
(I think) * . " / \ [ ] : ; | ,
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How do I get the row count of a pandas DataFrame?
I'm trying to get the number of rows of dataframe df with Pandas, and here is my code.
14 Answers
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How does git store files?
I just started learning git and to do so I started reading the Git Community Book , and in this book they say that SVN and CVS store the difference between files and that git stores a snapshot of all the files.
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WordPress is giving me 404 page not found for all pages except the homepage
All of a sudden I go to my WordPress website and all the pages give me a 404 page not found page. I'm assuming the problem lies with the permalink structure, which I could swear I did not touch. The permalink setting is on "month and name."
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