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How to 'grep' a continuous stream?
Is that possible to use grep on a continuous stream?
12 Answers
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Reasons for using the set.seed function
Many times I have seen the set.seed function in R, before starting the program. I know it's basically used for the random number generation. Is there any specific need to set this?
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How can I reverse the order of lines in a file?
I'd like to reverse the order of lines in a text file (or stdin), preserving the contents of each line.
25 Answers
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How to retrieve the hash for the current commit in Git?
I would like to retain (for now) the ability to link Git changesets to workitems stored in TFS.
20 Answers
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How does a Java HashMap handle different objects with the same hash code?
As per my understanding I think:
14 Answers
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How do I use the new computeIfAbsent function?
I very much want to use Map.computeIfAbsent but it has been too long since lambdas in undergrad.
4 Answers
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Scanner is skipping nextLine() after using next() or nextFoo()?
I am using the Scanner methods nextInt() and nextLine() for reading input.
19 Answers
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Why is sed not recognizing \t as a tab?
I am expecting this sed script to insert a tab in front of every line in $filename however it is not. For some reason it is inserting a t instead.
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Query for documents where array size is greater than 1
I have a MongoDB collection with documents in the following format:
13 Answers
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How do I write a for loop in bash
I'm looking for the basic loop like:
9 Answers
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