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How do I copy an object in Java?
...ds in org.apache.commons.beanutils (Source).
cloneBean will Clone a bean based on the available property getters and setters, even if the bean class itself does not implement Cloneable.
copyProperties will Copy property values from the origin bean to the destination bean for all cases where the pr...
Remove portion of a string after a certain character
...ff naming the function strip_after_string instead of sas and having a code base full of cryptic initialisms. This is my favorite most readable answer to this question though.
– Anther
How update the _id of one MongoDB Document?
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To do it for your whole collection you can also use a loop (based on Niels example):
db.status.find().forEach(function(doc){
doc._id=doc.UserId; db.status_new.insert(doc);
});
db.status_new.renameCollection("status", true);
In this case UserId was the new ID I wanted to use
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How can I “pretty print” a Duration in Java?
...me.Duration to format it without external libraries using ISO 8601 seconds based representation such as PT8H6M12.345S.
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Sort a text file by line length including spaces
...al only mentions as an aside that awk is going to rebuild the whole of $0 (based on the separator, etc) when you change one field. I guess it's not crazy behaviour. It has this:
"Finally, there are times when it is convenient to force awk to rebuild the entire record, using the current value of t...
How to use pull to refresh in Swift?
... control view.
However, you still have the option of using the addSubview based on the iOS version:
if #available(iOS 10.0, *) {
collectionView.refreshControl = refreshControl
} else {
collectionView.addSubview(refreshControl)
}
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How do I check that a Java String is not all whitespaces?
...g any white space character, and not just plain ' ' spaces as would a trim-based solution suggested in many other answers. You can refer to the Javadocs for an exhaustive list of all supported white space types. Note that empty strings are also covered in both cases.
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Delete empty lines using sed
...d` => delete lines which may contain white space
This covers all the bases and works perfectly for my needs. Kudos to the original posters @Kent and @kev
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How do I create a round cornered UILabel on the iPhone?
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For Swift IOS8 onwards based on OScarsWyck answer:
yourUILabel.layer.masksToBounds = true
yourUILabel.layer.cornerRadius = 8.0
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Remove plot axis values
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Using base graphics, the standard way to do this is to use axes=FALSE, then create your own axes using Axis (or axis). For example,
x <- 1:20
y <- runif(20)
plot(x, y, axes=FALSE, frame.plot=TRUE)
Axis(side=1, labels=FALSE)...