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How to quickly and conveniently create a one element arraylist [duplicate]
...ariable size List
If it needs vary in size you can construct an ArrayList and the fixed-sizeList like
return new ArrayList<String>(Arrays.asList(s));
and (in Java 7+) you can use the diamond operator <> to make it
return new ArrayList<>(Arrays.asList(s));
Single Element Lis...
Why doesn't a python dict.update() return the object?
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Python's mostly implementing a pragmatically tinged flavor of command-query separation: mutators return None (with pragmatically induced exceptions such as pop;-) so they can't possibly be confused with accessors (and in the same vein, assignment is not an expression, the statement-expressi...
How to listen for a WebView finishing loading a URL?
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Extend WebViewClient and call onPageFinished() as follows:
mWebView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
// do your stuff here
}
});
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Different results with Java's digest versus external utilities
... I am using Windows 7 Professional with SP1 . I have tried Java 6.0.29 and Java 7.0.03 . Can someone tell me why I am getting different hash values from Java versus (many!) external utilities and/or websites? Everything external matches with each other, only Java is returning different result...
What exactly is Java EE?
I have been doing Java SE for some years now and moving on to Java EE. However, I have some trouble understanding some aspects of Java EE.
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Run javascript function when user finishes typing instead of on key up?
...ds. So with that in mind, lets start a timer when the user releases a key and clear it when they press one. I decided the input in question will be #myInput.
Making a few assumptions...
//setup before functions
var typingTimer; //timer identifier
var doneTypingInterval = 5000; //...
What is the difference between origin and upstream on GitHub?
What is the difference between origin and upstream on GitHub ?
1 Answer
1
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When would I use Task.Yield()?
I'm using async/await and Task a lot but have never been using Task.Yield() and to be honest even with all the explanations I do not understand why I would need this method.
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Navigation bar show/hide
...pp with a navigation bar consisting of 2 bar buttons. I would like to hide and show this navigation bar when a user double taps the screen.
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Check if directory mounted with bash
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Running the mount command without arguments will tell you the current mounts. From a shell script, you can check for the mount point with grep and an if-statement:
if mount | grep /mnt/md0 > /dev/null; then
echo "yay"
else
echo "nay"
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