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Convert PDF to image with high resolution
... \
-density 150 \
-trim \
test.pdf \
-quality 100 \
-flatten \
-sharpen 0x1.0 \
24-18.jpg
It results in the left image. Compare this to the result of my original command (the image on the right):
(To really see and appreciate the differences be...
Quicksort vs heapsort
.../~jmor159/PLDS210/qsort3.html, the heap sort takes 2,842 comparisons for n=100, but it takes 53,113 comparisons for n=500. And that implies the ratio between n=500 and n=100 is 18 times, and it is NOT matching the heap sort algorithm with O(N logN) complexity. I guess it's pretty likely that their h...
CSS table-cell equal width
...1/
You can fix a width to each parent div (the table), otherwise it'll be 100% as usual.
The trick is to use table-layout: fixed; and some width on each cell to trigger it, here 2%. That will trigger the other table algorightm, the one where browsers try very hard to respect the dimensions indicat...
Java JTable setting Column Width
...
Try adding setMaxWidth(10000) to see if that makes a difference.
– Eddie
Jun 5 '09 at 4:03
1
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CSS transition shorthand with multiple properties?
...concise code.
/* prefixes omitted for brevity */
.box {
height: 100px;
width: 100px;
background: red;
box-shadow: red 0 0 5px 1px;
transition: all 500ms ease;
/*note: not transitioning width */
transition-property: height, background, box-shadow;
}
.box:h...
How to do math in a Django template?
...
You can use the add filter:
{{ object.article.rating_score|add:"-100" }}
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jQuery If DIV Doesn't Have Class “x”
...t my example of use
If you hover over a div, it fades as
normal speed to 100% opacity if the
div does not contain the 'selected'
class
If you hover out of a div, it fades
at slow speed to 30% opacity if the
div does not contain the 'selected'
class
Clicking the button adds 'selected'
class to the ...
Overlaying histograms with ggplot2 in R
...'s a concrete example with some output:
dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100))
ggplot(dat,aes(x=xx)) +
geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) +
geom_histogram(data=subset(dat,yy == 'b'...
Regular expression to match numbers with or without commas and decimals in text
...sion below
#### NUMBERS AND DECIMALS ONLY ####
#No commas allowed
#Pass: (1000.0), (001), (.001)
#Fail: (1,000.0)
^\d*\.?\d+$
#No commas allowed
#Can't start with "."
#Pass: (0.01)
#Fail: (.01)
^(\d+\.)?\d+$
#### CURRENCY ####
#No commas allowed
#"$" optional
#Can't start with "."
#Either 0 or 2 ...
How to generate a range of numbers between two numbers?
I have two numbers as input from the user, like for example 1000 and 1050 .
28 Answers
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