大约有 48,000 项符合查询结果（耗时：0.0747秒） [XML]
Create a variable name with “paste” in R?
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edited Apr 1 '11 at 9:00
answered Apr 1 '11 at 8:54
lec...
SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
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askmish
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answered May 12 '11 at 5:42
Erik G.Erik G.
1,57911 gold badg...
How to generate a random int in C?
...lled once.
int r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX.
Edit: On Linux, you might prefer to use random and srandom.
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Comments in .gitignore?
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edited Jan 29 '16 at 1:50
Nicolas Raoul
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Why are Perl 5's function prototypes bad?
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ikegami
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answered Nov 17 '08 at 22:54
Michael Carm...
nil detection in Go
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alamin
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answered Nov 27 '13 at 10:47
OleiadeOleiade
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UITableView with fixed section headers
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307
The headers only remain fixed when the UITableViewStyle property of the table is set to UITable...
How do I get time of a Python program's execution?
...s that your program takes at least a tenth of second to run.
Prints:
--- 0.764891862869 seconds ---
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Remove grid, background color, and top and right borders from ggplot2
...d panel.background 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.mi...
Tooltips for cells in HTML table (no Javascript)
...low :(
– user4911648
Sep 11 '17 at 10:42
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