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How do I update all my CPAN modules to their latest versions?
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Find maximum value of a column and return the corresponding row values using Pandas
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In order to print the Country and Place with maximum value, use the following line of code.
print(df[['Country', 'Place']][df.Value == df.Value.max()])
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
... C++ code below is able to detect a sheet of paper in the image:
void find_squares(Mat& image, vector<vector<Point> >& squares)
{
// blur will enhance edge detection
Mat blurred(image);
medianBlur(image, blurred, 9);
Mat gray0(blurred.size(), CV_8U), gray;
v...
Finishing current activity from a fragment
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You should use getActivity() method in order to finish the activity from the fragment.
getActivity().finish();
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Eclipse reports rendering library more recent than ADT plug-in
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jQuery hasClass() - check for more than one class
...Just now noticed that I have 4 id="hello" elements there. Fixed version in order to make validators happy: jsbin.com/uqoku/2/edit
– Matchu
Feb 6 '10 at 22:38
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Couldn't connect to server 127.0.0.1:27017
...cause the mongod process it's down, you must to run the commands bellow in order to get up the mongod process:
~$ sudo service mongodb stop
~$ sudo rm /var/lib/mongodb/mongod.lock
~$ sudo mongod --repair --dbpath /var/lib/mongodb
~$ sudo mongod --fork --logpath /var/lib/mongodb/mongodb.log --dbp...
How does Zalgo text work?
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Animate text change in UILabel
...right before changing content
extension UIView {
func fadeTransition(_ duration:CFTimeInterval) {
let animation = CATransition()
animation.timingFunction = CAMediaTimingFunction(name:
CAMediaTimingFunctionName.easeInEaseOut)
animation.type = CATransitionType...
ASP.NET MVC - passing parameters to the controller
... on the action. This looks like this:
[ParameterAlias("firstItem", "id", Order = 3)]
public ActionResult ViewStockNext(int firstItem)
{
// Do some stuff
}
With this you don't have to alter your routing just to handle a different parameter name. The library also supports applying it multiple...