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How do I convert a string to a number in PHP?
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deceze♦deceze
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Is there a way to hide the scroll indicators in a UIScrollView?
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edited Feb 15 '18 at 6:58
Pang
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How do I get the current time zone of MySQL?
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235
From the manual (section 9.6):
The current values of the global and client-specific time zon...
Collections.emptyList() vs. new instance
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answered Apr 5 '11 at 13:04
aioobeaioobe
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Is there a way to use shell_exec without waiting for the command to complete?
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150
How about adding.
"> /dev/null 2>/dev/null &"
shell_exec('php measurePerformance.ph...
Printf width specifier to maintain precision of floating-point value
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double OneSeventh = 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.428571428571428492127e-01
But let's dig deeper ...
Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision floating point numbers.
Let's assume IEEE 754 double-precision binary.
So the...
Print multiple arguments in Python
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578
There are many ways to do this. To fix your current code using %-formatting, you need to pass ...
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...