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Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...s an example using typical settings for an x86 processor (all used 32 and 64 bit modes):
struct X
{
short s; /* 2 bytes */
/* 2 padding bytes */
int i; /* 4 bytes */
char c; /* 1 byte */
/* 3 padding bytes */
};
struct Y
{
int i; /* 4 bytes */
cha...
Remove grid, background color, and top and right borders from ggplot2
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134
EDIT Ignore this answer. There are now better answers. See the comments. Use + theme_classic()
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How to profile a bash shell script slow startup?
My bash shell takes up to 3-4 seconds to start up, while if I start it with --norc it runs immediately.
7 Answers
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“Conversion to Dalvik format failed with error 1” on external JAR
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edited Feb 25 '14 at 11:00
community wiki
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Python (and Python C API): __new__ versus __init__
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>>> x = (1, 2)
>>> x
(1, 2)
>>> x.__init__([3, 4])
>>> x # tuple.__init__ does nothing
(1, 2)
>>> y = [1, 2]
>>> y
[1, 2]
>>> y.__init__([3, 4])
>>> y # list.__init__ reinitialises the object
[3, 4]
As to why they're separate...
How to serialize an object to XML without getting xmlns=“…”?
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143
Ahh... nevermind. It's always the search after the question is posed that yields the answer. ...
Sample random rows in dataframe
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460
First make some data:
> df = data.frame(matrix(rnorm(20), nrow=10))
> df
X1 ...
ValidateRequest=“false” doesn't work in Asp.Net 4
...form worked fine at Asp.Net 2.0 and 3.5 but now it doesn't work in Asp.Net 4+. I have ValidateRequest="false" directive. Any suggestions?
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How to determine if a list of polygon points are in clockwise order?
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427
Some of the suggested methods will fail in the case of a non-convex polygon, such as a crescen...