大约有 15,400 项符合查询结果（耗时：0.0240秒） [XML]
Keyboard shortcut to comment lines in Sublime Text 3
In Sublime Text 2 it was possible to comment out a line or a block of lines with Ctrl + / and Ctrl + Shift + / . According to the menu Edit > Comment these shortcuts should be valid, but in Sublime Text 3 (build 3047) they no longer seem to work. Does anybody know the right default keyboard...
Sankey Diagrams in R?
...It allows you to create interactive sankey diagrams. Here you can find an example. I also added a screenshot so you have an idea what it looks like.
# Load package
library(networkD3)
# Load energy projection data
# Load energy projection data
URL <- paste0(
"https://cdn.rawgit.com/chris...
Function to clear the console in R and RStudio
...nswered Apr 18 '13 at 13:49
E Luxo SoE Luxo So
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How to query SOLR for empty fields?
I have a large solr index, and I have noticed some fields are not updated correctly (the index is dynamic).
7 Answers
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Convert hyphens to camel case (camelCase)
With regex (i assume) or some other method, how can i convert things like:
13 Answers
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Getting Java version at runtime
I need to work around a Java bug in JDK 1.5 which was fixed in 1.6. I'm using the following condition:
12 Answers
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Serializing with Jackson (JSON) - getting “No serializer found”?
I get the an exception when trying to serialize a very simple object using Jackson. The error:
18 Answers
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Comment shortcut Android Studio
...eful Android Studio keyboard shortcut for commenting code, as in Sublime Text or Eclipse.
24 Answers
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Error in plot.new() : figure margins too large in R
...lem try:
par(mar = rep(2, 4))
then plot the second image
image(as.matrix(leg),col=cx,axes=T)
You'll need to play around with the size of the margins on the par() call I show to get this right. You may also need to increase the size of the actual device onto which you are plotting.
A final tip...
What is the reason for having '//' in Python? [duplicate]
...less one of the operands was already a floating point number.
In Python 2.X:
>>> 10/3
3
>>> # to get a floating point number from integer division:
>>> 10.0/3
3.3333333333333335
>>> float(10)/3
3.3333333333333335
In Python 3:
>>> 10/3
3.3333333333333...