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Hyphenated html attributes with asp.net mvc
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202
Use an underscore in the data attribute name, and it'll magically handle it for you, converting...
How to sum a variable by group
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404
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1...
Resize image proportionally with MaxHeight and MaxWidth constraints
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300
Like this?
public static void Test()
{
using (var image = Image.FromFile(@"c:\logo.png"))
...
How to pipe input to a Bash while loop and preserve variables after loop ends
...hopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name; do ((sum+=$number)); done
echo $sum
Doing this at the command line usually runs foul of 'job control is not active' (that is, at the command line, job control is active). Test...
jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
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10 Answers
10
Active
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Pipe output and capture exit status in Bash
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530
There is an internal Bash variable called $PIPESTATUS; it’s an array that holds the exit statu...
Show all Elasticsearch aggregation results/buckets and not just 10
... all buckets on an aggregation, but it seems to be showing only the first 10.
4 Answers
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document.getElementById vs jQuery $()
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1035
Not exactly!!
document.getElementById('contents'); //returns a HTML DOM Object
var contents ...
How can I sharpen an image in OpenCV?
...f frame into image: (both cv::Mat)
cv::GaussianBlur(frame, image, cv::Size(0, 0), 3);
cv::addWeighted(frame, 1.5, image, -0.5, 0, image);
The parameters there are something you need to adjust for yourself.
There's also Laplacian sharpening, you should find something on that when you google.
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Rename an environment with virtualenvwrapper
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210
You can use:
cpvirtualenv oldenv newenv
rmvirtualenv oldenv
So in your case:
cpvirtualenv do...