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How to write a:hover in inline CSS?
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You could do it at some point in the past. But now (according to the latest revision of the same standard, which is Candidate Recommendation) you can't
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impr...
Resync git repo with new .gitignore file
...les
git rm -r --cached .
# add all files as per new .gitignore
git add .
# now, commit for new .gitignore to apply
git commit -m ".gitignore is now working"
(make sure to commit first your changes you want to keep, to avoid any incident as jball037 comments below.
The --cached option will keep your...
Update R using RStudio
...ork for you, try using installed.packages()
to find the proper pathnames.]
now you can update your packages by typing update.packages() in your RStudio console, and answering 'y' to all of the prompts.
> update.packages(checkBuilt=TRUE)
class :
Version 7.3-7 installed in /Library/Frameworks/R.f...
How do you dismiss the keyboard when editing a UITextField
I know that I need to tell my UITextField to resign first responder when I want to dismis the keyboard, but I'm not sure how to know when the user has pressed the "Done" key on the keyboard. Is there a notification I can watch for?
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Get all unique values in a JavaScript array (remove duplicates)
...et to store unique values. To get an array with unique values you could do now this:
var myArray = ['a', 1, 'a', 2, '1'];
let unique = [...new Set(myArray)];
console.log(unique); // unique is ['a', 1, 2, '1']
The constructor of Set takes an iterable object, like Array, and the spread ope...
Is there a concurrent List in Java's JDK?
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@Roland definitely NOT nitpicking. There is (now) a difference between "for each" and "enhanced for" in Java.
– hfontanez
Nov 27 '18 at 21:37
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Download File Using Javascript/jQuery
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2019 modern browsers update
This is the approach I'd now recommend with a few caveats:
A relatively modern browser is required
If the file is expected to be very large you should likely do something similar to the original approach (iframe and cookie) because some of the belo...
Showing Travis build status in GitHub repo
... should see payload successfully sent.
If this works, your github repo is now hooked up to your travis.
EDIT3:
The OP is asking about the travis build status for commits found in pull requests pages.
He assumed that the travis build status will appear anywhere as long as there is a commit.
My a...
Placeholder in UITextView
My application uses an UITextView . Now I want the UITextView to have a placeholder similar to the one you can set for an UITextField .
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How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
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I'm porting my existing project to Win8 right now. It consists of windows service and tray application which are talking to each other via NamedPipes WCF. As you may already know Metro doesn't support named pipes. I ended up using TcpBinding for full duplex connection.
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