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Diff output from two programs without temporary files

...nd) to pass one command's output to another program as if it were a file name. Bash pipes the program's output to a pipe and passes a file name like /dev/fd/63 to the outer command. diff <(./a) <(./b) Similarly you can use >(command) if you want to pipe something into a command. This is...
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Have a fixed position div that needs to scroll if content overflows

...ed Oct 28 '18 at 16:00 Matilda Smeds 85688 silver badges1616 bronze badges answered Aug 21 '13 at 20:01 stride...
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?

I have a data frame df and I use several columns from it to groupby : 7 Answers 7 ...
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How to copy a local Git branch to a remote repo

... According to git push manual page: git push origin experimental Find a ref that matches experimental in the source repository (most likely, it would find refs/heads/experimental), and update the same ref (e.g. refs/heads/experimental) in origin repository with it. If experimental ...
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How to organize large R programs?

...anity checks via R CMD check a chance to add regression tests as well as a means for namespaces. Just running source() over code works for really short snippets. Everything else should be in a package -- even if you do not plan to publish it as you can write internal packages for internal reposito...
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SQLite Concurrent Access

... handle concurrent access by multiple processes reading/writing from the same DB? Are there any platform exceptions to that? ...
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Where to define custom error types in Ruby and/or Rails?

... For Gems I have seen many times that you define exceptions in this way: gem_dir/lib/gem_name/exceptions.rb and defined as: module GemName class AuthenticationError < StandardError; end class InvalidUsername < AuthenticationError; end ...
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How can I read and parse CSV files in C++?

...s a line-by-line parser that will return a vector for the next line each time the method is called. 37 Answers ...
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How to un-escape a backslash-escaped string?

... Is there something that is compatible with python 3? – thejinx0r Apr 4 '15 at 1:37 3 ...
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OOP vs Functional Programming vs Procedural [closed]

... are good in their own ways - They're simply different approaches to the same problems. In a purely procedural style, data tends to be highly decoupled from the functions that operate on it. In an object oriented style, data tends to carry with it a collection of functions. In a functional style,...