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How do you specify the Java compiler version in a pom.xml file?
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Oh, and: don't use Java 1.3.x, current versions are Java 1.7.x or 1.8.x
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Summarizing multiple columns with dplyr? [duplicate]
...;int> <dbl> <dbl> <dbl> <dbl>
#> 1 1 3.08 2.98 2.98 2.91
#> 2 2 3.03 3.04 2.97 2.87
#> 3 3 2.85 2.95 2.95 3.06
If you want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrlyr package p...
Is the sizeof(some pointer) always equal to four?
...size 2 on a 16-bit system (if you can find one), 4 on a 32-bit system, and 8 on a 64-bit system, but there's nothing to be gained in relying on a given size.
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How can I delete one element from an array by value
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I think I've figured it out:
a = [3, 2, 4, 6, 3, 8]
a.delete(3)
#=> 3
a
#=> [2, 4, 6, 8]
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'No Transport' Error w/ jQuery ajax call in IE
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MagicoMagico
2,84611 gold badge1313 silver badges1717 bronze badges
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Who sets response content-type in Spring MVC (@ResponseBody)
... <property name="supportedMediaTypes" value = "text/plain;charset=UTF-8" />
</bean>
</array>
</property>
</bean>
However, using this method you have to redefine all HttpMessageConverters, and also it doesn't work with <mvc:annotation-drive...
Pry: show me the stack
...:
5: def index
6: @posts = Post.all
=> 7: binding.pry
8: end
[1] pry(#<PostsController>)> show-stack
Showing all accessible frames in stack (65 in total):
--
=> #0 index <PostsController#index()>
#1 [method] send_action <ActionController::ImplicitRend...
How to get the index of a maximum element in a numpy array along one axis
...iroeumiro
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XML schema or DTD for logback.xml?
...git.io/logback.xsd"
– Osguima3
Jan 18 '18 at 9:20
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Gradient of n colors ranging from color 1 and color 2
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181
colorRampPalette could be your friend here:
colfunc <- colorRampPalette(c("black", "white")...