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Extending Angular Directive
...simplest way to solve this is to create a directive on your app with the same name as the third party directive. Both directives will run and you can specify their run order using the priority property (higher priority runs first).
The two directives will share scope and you can access and modify ...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
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Since dplyr 0.8 group_by gained the .drop argument that does just what you asked for:
df = data.frame(a=rep(1:3,4), b=rep(1:2,6))
df$b = factor(df$b, levels=1:3)
df %>%
group_by(b, .drop=FALSE) %>%
summarise(count_a=length(a))
#> # A tibble: 3 x 2
#> ...
C# loop - break vs. continue
...her languages) loop, what's the difference between break and continue as a means to leave the structure of the loop, and go to the next iteration?
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How to select date from datetime column?
I have a column of type "datetime" with values like 2009-10-20 10:00:00
8 Answers
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How to install gem from GitHub source?
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In case you are using bundler, you need to add something like this to your Gemfile:
gem 'redcarpet', :git => 'git://github.com/tanoku/redcarpet.git'
And in case there is .gemspec file, it should be able to fetch and install the gem when running bundle install.
UPD. A...
Is there any way to see the file system on the iOS simulator?
...different directory - really split across a few directories, with folder names for application specific files that change each time you run your app.
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Why can't I use background image and color together?
...erfectly possible to use both a color and an image as background for an element.
You set the background-color and background-image styles. If the image is smaller than the element, you need to use the background-position style to place it to the right, and to keep it from repeating and covering the...
How to print out more than 20 items (documents) in MongoDB's shell?
won't do it. It still prints out only 20 documents.
6 Answers
6
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Showing empty view when ListView is empty
For some reason the empty view, a TextView in this case, always appears even when the ListView is not empty. I thought the ListView would automatically detect when to show the empty view.
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Does a view exist in ASP.NET MVC?
Is it possible to determine if a specific view name exists from within a controller before rendering the view?
7 Answers
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