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How to make graphics with transparent background in R using ggplot2?
...# for the inside of the boxplot
)
Fastest way is using using rect, as all the rectangle elements inherit from rect:
p <- p +
theme(
rect = element_rect(fill = "transparent") # all rectangles
)
p
More controlled way is to use options of theme:
p <- p +
theme(
...
Change the name of a key in dictionary
...>>> dictionary['ONE'] = dictionary.pop(1)
Traceback (most recent call last):
File "<input>", line 1, in <module>
KeyError: 1
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Android add placeholder text to EditText
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Thanks! I didn't know what they call it in android, I just know that on iOS it's called placeholder.
– Mona
Nov 22 '11 at 4:24
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How to test chrome extensions?
...existing frameworks are pretty useful..
In the recent past, I have placed all my tests on a "test" page that was embedded in to the application but not reachable unless physically typed.
For instance, I would have all the tests in a page accessible under chrome-extension://asdasdasdasdad/unittests...
How do I convert an existing callback API to promises?
I want to work with promises but I have a callback API in a format like:
20 Answers
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Remove the last three characters from a string
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read last 3 characters from string [Initially asked question]
You can use string.Substring and give it the starting index and it will get the substring starting from given index till end.
myString.Substring(myString.Length-3)
Retrieves a substring from this...
How do I query between two dates using MySQL?
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Personally, I find the term 'from' and 'to' a sneaky way to remember the order in which the query should be written.
– KeaganFouche
Jan 21 '19 at 22:04
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What's the reason I can't create generic array types in Java?
What's the reason why Java doesn't allow us to do
17 Answers
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
I have test-unit installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec .
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Difference between await and ContinueWith
...ng example. I'm trying to use TPL for the first time and have been reading all the documentation, but don't understand the difference.
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