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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...
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Extracting just Month and Year separately from Pandas Datetime column

... | 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?

... Aditya 4,28033 gold badges2525 silver badges3737 bronze badges answered Dec 28 '10 at 16:19 Klaus Byskov PedersenKlaus Byskov Pe...
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Extract source code from .jar file

... Raekye 4,66588 gold badges4343 silver badges7272 bronze badges 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

... | edited Apr 27 '15 at 6:00 Kris-I 16.9k4848 gold badges135135 silver badges219219 bronze badges ...
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What is the difference between is_a and instanceof?

... 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...
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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) share | improve this answer | follow | ...
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Android- create JSON Array and JSON Object

... 315 Use the following code: JSONObject student1 = new JSONObject(); try { student1.put("id", "3...
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How to change Elasticsearch max memory size

... 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...