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Automatically plot different colored lines

...t several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficient way to do this,...
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Why is using the rails default_scope often recommend against?

...to show unpublished (private) posts. So far so good. 2.1.1 :001 > Post.all Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't' Well this is pretty much what we expect. Now lets try: 2.1.1 :004 > Post.new => #<Post id: nil, title: nil, published: true...
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How to combine two or more querysets in a Django view?

...sets into a list is the simplest approach. If the database will be hit for all querysets anyway (e.g. because the result needs to be sorted), this won't add further cost. from itertools import chain result_list = list(chain(page_list, article_list, post_list)) Using itertools.chain is faster than...
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Hide hidden(dot) files in github atom editor

... Edit > Preferences > Packages In the field below "Installed Packages" type: "Tree View". This package has a few settings you can toggle, "Hide Ignored Names" is what you're looking for. It's a really buried setting, not sure why. You can also add it to your config: 'tree-view...
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How to declare a global variable in a .js file

I need a few global variables that I need in all .js files. 5 Answers 5 ...
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Unique combination of all elements from two (or more) vectors

I am trying to create a unique combination of all elements from two vectors of different size in R. 5 Answers ...
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Disable/turn off inherited CSS3 transitions

...out transitions. Edited to note that @Frédéric Hamidi's answer, using all (for Opera, at least) is far more concise than listing out each individual property-name that you don't want to have transition. Updated JS Fiddle demo, showing the use of all in Opera: -o-transition: all 0 none, followi...
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initializing a boolean array in java

... I just need to initialize all the array elements to Boolean false. Either use boolean[] instead so that all values defaults to false: boolean[] array = new boolean[size]; Or use Arrays#fill() to fill the entire array with Boolean.FALSE: Boolean[...
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How and why do I set up a C# build machine? [closed]

I'm working with a small (4 person) development team on a C# project. I've proposed setting up a build machine which will do nightly builds and tests of the project, because I understand that this is a Good Thing. Trouble is, we don't have a whole lot of budget here, so I have to justify the expen...
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With Git, how do I turn off the “LF will be replaced by CRLF” warning

...input and core.eol input. Or just don't let git change the line endings at all with autocrlf false and get rid of highlighting of crlfs in diffs, etc with core.whitespace cr-at-eol. Hope this helps share | ...