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Regex to remove all (non numeric OR period)
I need for text like "joe ($3,004.50)" to be filtered down to 3004.50 but am terrible at regex and can't find a suitable solution. So only numbers and periods should stay - everything else filtered. I use C# and VS.net 2008 framework 3.5
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What does the ^ operator do in Java?
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422
The ^ operator in Java
^ in Java is the exclusive-or ("xor") operator.
Let's take 5^6 as exa...
Cost of exception handlers in Python
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114
Why don't you measure it using the timeit module? That way you can see whether it's relevant to ...
T-SQL datetime rounded to nearest minute and nearest hours with using functions
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Remove duplicated rows using dplyr
...rame [3 x 3]
## Groups: x, y
##
## x y z
## 1 0 1 1
## 2 1 0 2
## 3 1 1 4
(In dplyr 0.2 you won't need the dummy z variable and will just be
able to write row_number() == 1)
I've also been thinking about adding a slice() function that would
work like:
df %>% group_by(x, y) %>% slice(fro...
Is there an equivalent to e.PageX position for 'touchstart' event as there is for click event?
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edited Jan 21 '14 at 21:00
answered Aug 31 '11 at 0:07
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How to call Makefile from another Makefile?
...alled /path/to/project/makefile and one called /path/to/project/gtest-1.4.0/make/Makefile . I'm attempting to have the former call the latter. In /path/to/project/makefile, I have
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Why can't I center with margin: 0 auto?
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edited Jun 9 '14 at 7:36
Mankarse
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a...
How to make div background color transparent in CSS
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141
Opacity gives you translucency or transparency. See an example Fiddle here.
-ms-filter: "progi...
How to remove space between axis & area-plot in ggplot2?
... "identity", position = "stack") +
scale_x_continuous(limits = c(1986,2014), expand = c(0, 0)) +
scale_y_continuous(limits = c(0,101), expand = c(0, 0)) +
theme_bw() +
theme(panel.grid = element_blank(),
panel.border = element_blank())
The result:
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