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filter for complete cases in data.frame using dplyr (case-wise deletion)
...works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame).
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Ideal Ruby project structure
... directory you want onto that using the $: variable. i.e.
$:.push File.expand_path(File.dirname(__FILE__) + '/../surfcompstuff')
That means when you have say, surfer.rb in that dir, you can require "surfer" anywhere and the file will be found.
Also, as a convention, classes and singletons get a ...
How do I change the title of the “back” button on a Navigation Bar
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you can create a custom BaseViewController and put it in to -viewDidLoad:
– ArtFeel
Sep 6 '13 at 15:14
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How to put spacing between TBODY elements
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@nh2: double-colons are for pseudo-content and single-colon is for pseudo-selectors. It's an update to the CSS syntax. Everything used to just use the single colon. Older browsers don't support double colon (like, IE <=8).
– dbmikus
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Remove first element from $@ in bash [duplicate]
...ed into the script. However, the first argument shouldn't be looped over, and instead needs to be checked before the loop.
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How to save MySQL query output to excel or .txt file? [duplicate]
...ll be enclosed in double quotes, the
fields will be separated by commas, and each row will be output on a
new line separated by a newline (\n). Sample output of this command
would look like:
"1","Tech-Recipes sock puppet","14.95" "2","Tech-Recipes chef's hat","18.95"
Keep in mind that t...
Javascript swap array elements
...lizing the temporary variable approach as it's cross-language (e.g. C/C++) and the first approach that usually pops into my mind.
– Ultimater
Aug 15 '18 at 7:22
3
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How do I instantiate a Queue object in java?
...on's is more clear. I will +1 this if you update it to mention concurrency and get rid of the code for anonymous classes... I think it makes the answer more confusing for someone that wants to know what to do because they almost surely don't want to do that. (Even if they wanted their own class, the...
Javadoc @see or {@link}?
Could someone tell me the difference between javadoc @see and {@link} ?
3 Answers
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Set a path variable with spaces in the path in a Windows .cmd file or batch file
I'm new to script writing and can't get this one to work. I could if I moved the files to a path without a space in it, but I'd like it to work with the space if it could.
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