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What is the difference between \r and \n?
How are \r and \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure exactly how they're different, and which to search for/match in regexes.
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SQL keys, MUL vs PRI vs UNI
What is the difference between MUL , PRI and UNI in MySQL?
4 Answers
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What is the use of making constructor private in a class?
Why should we make the constructor private in class? As we always need the constructor to be public.
23 Answers
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Insert, on duplicate update in PostgreSQL?
Several months ago I learned from an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following syntax:
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What is the difference between lemmatization vs stemming?
When do I use each ?
9 Answers
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z-index not working with fixed positioning
I have a div with default positioning (i.e. position:static ) and a div with a fixed position.
8 Answers
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How to achieve function overloading in C?
Is there any way to achieve function overloading in C? I am looking at simple functions to be overloaded like
14 Answers
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What does the restrict keyword mean in C++?
I was always unsure, what does the restrict keyword mean in C++?
6 Answers
6
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Adding a column to a data.frame
I have the data.frame below. I want to add a column that classifies my data according to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
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Merge, update, and pull Git branches without using checkouts
I work on a project that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do:
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