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How to fix the aspect ratio in ggplot?
...unding box.
(I also suggest you use ggsave to save your resulting plot to pdf/png/etc, rather than the pdf(); print(p); dev.off() sequence.)
library(ggplot2)
df <- data.frame(
x = runif(100, 0, 5),
y = runif(100, 0, 5))
ggplot(df, aes(x=x, y=y)) + geom_point() + coord_fixed()
...
Folder structure for a Node.js project
...ets, client-side JavaScript)
/assets/images contains image files
/assets/pdf contains static pdf files
/css contains style sheets (or compiled output by a css engine)
/js contains client side JavaScript
/controllers contain all your express routes, separated by module/area of your application (no...
What is the “assert” function?
...ndard draft
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf
19.3 Assertions
1 The header <cassert>, described in (Table 42), provides a macro for documenting C ++ program assertions
and a mechanism for disabling the assertion checks.
2 The contents are the same a...
How do I put two increment statements in a C++ 'for' loop?
... Ok. From open-std.org/jtc1/sc22/wg21/docs/papers/2009/n2857.pdf section 6.5.3 the last part is an "expression". (Although 1.6 #2 defines an "expression-list" as a "list of expressions separated by commas", this construct does not appear in 6.5.3.). This means that when we write "++i,+...
Why are C character literals ints instead of chars?
..."high level assembler".
(See 6.3.3 on page 6-25 of http://www.dmv.net/dec/pdf/macro.pdf)
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How can we make xkcd style graphs?
... +
theme(text=element_text(size=16, family="xkcd"))
ggsave("xkcd_ggplot.pdf", plot=p, width=4, height=4)
## needed for Windows:
## Sys.setenv(R_GSCMD = "C:/Program Files/gs/gs9.05/bin/gswin32c.exe")
embed_fonts("xkcd_ggplot.pdf")
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Why is the String class declared final in Java?
...aoticjava.com/posts/gc-tips-and-memory-leaks/
http://java.sun.com/j2se/1.5/pdf/jdk50_ts_guide.pdf
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unsigned int vs. size_t
...9 standard, section 7.17, a draft of which is available on the Internet in pdf format, or in the C11 standard, section 7.19, also available as a pdf draft.
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What Every Programmer Should Know About Memory?
...
The guide in PDF form is at https://www.akkadia.org/drepper/cpumemory.pdf.
It is still generally excellent and highly recommended (by me, and I think by other performance-tuning experts). It would be cool if Ulrich (or anyone else) wrot...
WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...D hWnd, //指定一个窗口句柄, 套接字的通知消息将被发到此窗口中
u_int wMsg, //网络事件到来的ID，可以在WM_USER以上数值中任意指定一个值
long IEvent //指定哪些通知码需要发送
//FD_READ可以...