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Generic type parameter naming convention for Java (with multiple chars)?
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edited Jun 20 at 9:12
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answered May 24 '10 at 23:06
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How to use Greek symbols in ggplot2?
... the tick marks can be achieved as follows
require(ggplot2);
data(tips);
p0 = qplot(sex, data = tips, geom = 'bar');
p1 = p0 + scale_x_discrete(labels = c('Female' = expression(alpha),
'Male' = expression(beta)));
print(p1);
For complete documentation on th...
setMaxResults for Spring-Data-JPA annotation?
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As of Spring Data JPA 1.7.0 (Evans release train).
You can use the newly introduced Top and First keywords that allow you to define query methods like this:
findTop10ByLastnameOrderByFirstnameAsc(String lastname);
Spring Data will automatically li...
BaseException.message deprecated in Python 2.6
...s 'my detailed description'
You can use str(my) or (less elegant) my.args[0] to access the custom message.
Background
In the newer versions of Python (from 2.6) we are supposed to inherit our custom exception classes from Exception which (starting from Python 2.5) inherits from BaseException. The b...
How to check if a map contains a key in Go?
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How can I find the last element in a List?
...ant to access the last item in the list you can do
if(integerList.Count>0)
{
var item = integerList[integerList.Count - 1];
}
to get the total number of items in the list you can use the Count property
var itemCount = integerList.Count;
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How do I include a pipe | in my linux find -exec command?
...suggestion from Paul Tomblin:
find . -name "file_*" -follow -type f -print0 | xargs -0 zcat | agrep -dEOE 'grep'
... which costs one invocation of find, one invocation of xargs, a few invocations of zcat and one invocation of agrep.
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Django CharField vs TextField
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What are the Ruby Gotchas a newbie should be warned about? [closed]
...s.
To denote floating point numbers, one must follow with a zero digit (99.0) or an explicit conversion (99.to_f). It is insufficient to append a dot (99.), because numbers are susceptible to method syntax.
Boolean evaluation of non-boolean data is strict: 0, "" and [] are all evaluated to true. In ...
Mockito matcher and array of primitives
...Eq(expectedArray)
– John Oxley
Jan 30 '13 at 8:35
5
Or Matchers.<byte[]>any().
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