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Left align two graph edges (ggplot)

... Using cowplot package: A <- ggplot(CO2, aes(x=Plant)) + geom_bar() +coord_flip() B <- ggplot(CO2, aes(x=Type)) + geom_bar() +coord_flip() library(cowplot) plot_grid(A, B, ncol=1, align="v") share ...
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Does Java SE 8 have Pairs or Tuples?

..., value[i]) , then filter based on the second value[i] element, and finally output just the indices. 9 Answers ...
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What is the difference between Debug and Release in Visual Studio?

... result some lines of your code might get left without any instructions at all, or some might get all mixed up. Step-by-step debugging would be impossible. Also, local variables are often optimized in mysterious ways, so Watches and QuickWatches often don't work because the variable is "optimized aw...
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How to get subarray from array?

... What K_7 said; most especially, monkey-patching the Builtins (Object, Array, Promise, etc) is very naughty. See the famous example of MooTools forcing a rename of the proposed native Array.prototype.contains to Array.prototype.incl...
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How to run a single RSpec test?

... Usually I do: rspec ./spec/controllers/groups_controller_spec.rb:42 Where 42 represents the line of the test I want to run. EDIT1: You could also use tags. See here. EDIT 2: Try: bundle exec rspec ./spec/controllers/gro...
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switch case statement error: case expressions must be constant expression

...instead of an if-else: private enum LayoutElement { NONE(-1), PLAY_BUTTON(R.id.playbtn), STOP_BUTTON(R.id.stopbtn), MENU_BUTTON(R.id.btnmenu); private static class _ { static SparseArray<LayoutElement> elements = new SparseArray<LayoutElement>(); } ...
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PostgreSQL database default location on Linux

What is the default directory where PostgreSQL will keep all databases on Linux? 8 Answers ...
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ImportError: No module named MySQLdb

...tall pymysql and switch your SQLAlchemy URI to start like this: SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://.....' There are some other drivers you could also try. share | improve this answer ...
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How to remove files that are listed in the .gitignore but still on the repository?

... You can remove them from the repository manually: git rm --cached file1 file2 dir/file3 Or, if you have a lot of files: git rm --cached `git ls-files -i --exclude-from=.gitignore` But this doesn't seem to work in Git Bash on Windows. It produces an error messag...
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Sequence contains no elements?

...boxes for the title and content, the ID and date aren't put on the page at all. Could this be the reason for it passing them as null\new? – Andy Hunt Aug 24 '09 at 19:43 2 ...