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Rails - Nested includes on Active Records?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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What is a plain English explanation of “Big O” notation?

...ned, you can mouse over the spoilers for minor sidenotes] (with credit to https://stackoverflow.com/a/487292/711085 ) (technically the constant factor could maybe matter in some more esoteric examples, but I've phrased things above (e.g. in log(N)) such that it doesn't) These are the bread-and-bu...
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Replace spaces with dashes and make all letters lower-case

...S's answer is just fine, but I want to note that you can use this package: https://github.com/sindresorhus/slugify, which does it for you and covers many edge cases (i.e., German umlauts, Vietnamese, Arabic, Russian, Romanian, Turkish, etc.). ...
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How to force R to use a specified factor level as reference in a regression?

... See the relevel() function. Here is an example: set.seed(123) x <- rnorm(100) DF <- data.frame(x = x, y = 4 + (1.5*x) + rnorm(100, sd = 2), b = gl(5, 20)) head(DF) str(DF) m1 <- lm(y ~ x + b, data = DF) summary(m1) Now alter the factor ...
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Refresh all files in buffer from disk in vim

... As @Matthew S Mentioned here https://vi.stackexchange.com/a/462, you can use: :set noconfirm :bufdo !e :set confirm share | improve this answer ...
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How to run a single test from a rails test suite?

...e tests in one file) rails test -n /TopicsControllerTest/ -v look here https://stackoverflow.com/a/41183694/3626659 share | improve this answer | follow | ...
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Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Wh

...xed in JDK7u60 - while this is not out yet, you may download the b01 from: https://jdk7.java.net/download.html It's beta, but fixed that issue for me. share | improve this answer | ...
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How to get a list of installed android applications and pick one to run

...ng with a server. Is there any guidelines? – dowjones123 Jun 30 '15 at 20:07 1 @dowjones123 Did u...
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What does numpy.random.seed(0) do?

...p.random.seed(a_fixed_number) every time you call the numpy's other random function, the result will be the same: >>> import numpy as np >>> np.random.seed(0) >>> perm = np.random.permutation(10) >>> print perm [2 8 4 9 1 6 7 3 0 5] >>> np.random.seed...
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How can I change the color of my prompt in zsh (different from normal text)?

...s Colors. First of all, here we can find 3-digit codes for various colors: https://unix.stackexchange.com/a/124409/194343. For example, 214 is some kind of orange color. Foreground and Background. The other key information is that for Foreground and bacKground colors one can define what they want w...