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Remove grid, background color, and top and right borders from ggplot2
...nd to see the axis lines.
library(ggplot2)
a <- seq(1,20)
b <- a^0.25
df <- as.data.frame(cbind(a,b))
ggplot(df, aes(x = a, y = b)) + geom_point() +
theme_bw() +
theme(axis.line = element_line(colour = "black"),
panel.grid.major = element_blank(),
panel.grid.minor = element_bl...
Extracting just Month and Year separately from Pandas Datetime column
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edited May 3 '15 at 20:17
answered Aug 5 '14 at 22:18
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Can you write virtual functions / methods in Java?
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Aditya
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answered Dec 28 '10 at 16:19
Klaus Byskov PedersenKlaus Byskov Pe...
Extract source code from .jar file
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Raekye
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answered Feb 24 '11 at 16:08
adarshradarshr
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Fast permutation -> number -> permutation mapping algorithms
I have n elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
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Custom method names in ASP.NET Web API
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edited Apr 27 '15 at 6:00
Kris-I
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What is the difference between is_a and instanceof?
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Update
As of PHP 5.3.9, the functionality of is_a() has changed. The original answer below states that is_a() must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_strin...
How to modify list entries during for loop?
...ignment if you need to retain existing references to the list.
a = [1, 3, 5]
b = a
a[:] = [x + 2 for x in a]
print(b)
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Android- create JSON Array and JSON Object
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315
Use the following code:
JSONObject student1 = new JSONObject();
try {
student1.put("id", "3...
How to change Elasticsearch max memory size
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In ElasticSearch >= 5 the documentation has changed, which means none of the above answers worked for me.
I tried changing ES_HEAP_SIZE in /etc/default/elasticsearch and in etc/init.d/elasticsearch, but when I ran ps aux | grep elasticsearch th...
