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Check whether a cell contains a substring

... @renatov that actually depends on the locale of your OS; specifically, the character used for "list separator". – pepoluan Jul 9 '15 at 7:38 ...
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How to view or edit localStorage

...pplication > Local Storage to add a new value. – Rose Perrone Apr 18 '18 at 15:09 add a comment  |  ...
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res.sendFile absolute path

... @TheThird i guess, using path makes it os-independent. – kmonsoor Apr 27 '16 at 6:24 add a comment  |  ...
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How can I get Eclipse to show .* files?

...ew Menu -> Filters -> uncheck .* resources. With Eclipse Kepler and OS X this is a bit different: Package Explorer -> Customize View -> Filters -> uncheck .* resources share | impr...
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How do I fix the “You don't have write permissions into the /usr/bin directory” error when installin

I'm trying to install Rails 3 on a brand new MacBook Pro running OS X 10.6.3, Ruby 1.8.7, and Rails 2.3.5 and I'm wondering if I've hosed myself. So far, I've run these commands: ...
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Pass a data.frame column name to a function

...e more about tidyeval here. library(rlang) library(tidyverse) set.seed(123) df <- data.frame(B = rnorm(10), D = rnorm(10)) Use column names as strings fun3 <- function(x, ...) { # capture strings and create variables dots <- ensyms(...) # unquote to evaluate inside dplyr verbs ...
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Ruby: How to get the first character of a string

...ot that you should be using 1.8 anymore anyway!--but when this answer was posted it was still quite common): puts 'Smith'[0] # prints 83 Of course, if you're not doing it on a regular basis, then defining the method might be overkill, and you could just do it directly: puts last_name[0...
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iPhone/iOS JSON parsing tutorial [closed]

...hing would be nice if it built. Fails for me with 44 errors in Xcode 4 in OS X Lion. – Sarah Vessels Jul 20 '12 at 17:04  |  show 1 more comm...
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Javascript - How to extract filename from a file input control

... vog's answer is really close to the 100% accurate answer to the question (except needs to strip the extension.) A filename is no different from any other string. – Jon Watte May 21 '16 at 19:38 ...
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Get the date (a day before current time) in Bash

... answered Nov 10 '09 at 10:17 ghostdog74ghostdog74 269k4848 gold badges233233 silver badges323323 bronze badges ...