...pportunities, Google has a mailing list you can sign-up for to receive more information in the future. Taken from article linked above. share | improve this answer | fo...

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... I think it's really a matter of personal preference. More people are using rails_admin[*], but I prefer active_admin. The reasons I chose ActiveAdmin were predominantly that it was developed with assumptions that I would make myself: using gems like devise and inherited_resour...

...2020)... looks like a lot of people (myself included) came to Xcode from a more engineering-oriented IDE. I personally find that Xcode is missing a lot of productivity/navigation/auto-complete features I really got used to in Eclipse/IntelliJ products... to me it feels like an Apple notepad app comp...

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...nd by.y. This clearly implies that merge will merge data frames based on more than one column. From the final example given in the documentation: x <- data.frame(k1=c(NA,NA,3,4,5), k2=c(1,NA,NA,4,5), data=1:5) y <- data.frame(k1=c(NA,2,NA,4,5), k2=c(NA,NA,3,4,5), data=1:5) merge(x, y, by=c(...

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