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How do I read the source code of shell commands?
I would like to read the actual source code which the linux commands are written with. I've gained some experience using them and now I think it's time to interact with my machine at a deeper level.
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How to select the rows with maximum values in each group with dplyr? [duplicate]
I would like to select a row with maximum value in each group with dplyr.
6 Answers
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Get individual query parameters from Uri [duplicate]
I have a uri string like: http://example.com/file?a=1&b=2&c=string%20param
9 Answers
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What is the difference between the | and || or operators?
I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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How to rethrow InnerException without losing stack trace in C#?
I am calling, through reflection, a method which may cause an exception. How can I pass the exception to my caller without the wrapper reflection puts around it?
I am rethrowing the InnerException, but this destroys the stack trace.
Example code:
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Why is XOR the default way to combine hashes?
Say you have two hashes H(A) and H(B) and you want to combine them. I've read that a good way to combine two hashes is to XOR them, e.g. XOR( H(A), H(B) ) .
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In C#, how do I calculate someone's age based on a DateTime type birthday?
A given DateTime Type represents a person's birthday.
How could I calculate his / her age in years?
61 Answers
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How to query SOLR for empty fields?
I have a large solr index, and I have noticed some fields are not updated correctly (the index is dynamic).
7 Answers
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How do I run Redis on Windows?
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Difference between private, public, and protected inheritance
All of the questions I've found on SO deal with specific cases.
16 Answers
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