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How can I get screen resolution in java?
...isplayMode().getWidth();
int height = gd.getDisplayMode().getHeight();
If you want to get the screen resolution in DPI you'll have to use the getScreenResolution() method on Toolkit.
Resources :
javadoc - Toolkit.getScreenSize()
Java bug 5100801- Toolkit.getScreenSize() does not return the ...
Prevent segue in prepareForSegue method?
...ter:
You have to implement the method
- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender
In your view controller. You do your validation there, and if it's OK then return YES; if it's not then return NO; and the prepareForSegue is not called.
Note that this metho...
How to find whether or not a variable is empty in Bash
How can I check if a variable is empty in Bash?
10 Answers
10
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C# How can I check if a URL exists/is valid?
...ownloads the historical data, and then plots the price history for the specified ticker symbol.
12 Answers
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Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...
If you have a TRY/CATCH block then the likely cause is that you are catching a transaction abort exception and continue. In the CATCH block you must always check the XACT_STATE() and handle appropriate aborted and uncommitabl...
Check if class already assigned before adding
In jQuery, is it recommended to check if a class is already assigned to an element before adding that class? Will it even have any effect at all?
...
Check if a string contains another string
I want to find if a string contains a ","(comma) in it. Do we have any other option other than reading char-by-char?
4 Answ...
How can I remove a specific item from an array?
...ay = [2, 5, 9];
console.log(array);
const index = array.indexOf(5);
if (index > -1) {
array.splice(index, 1);
}
// array = [2, 9]
console.log(array);
The second parameter of splice is the number of elements to remove. Note that splice modifies the array in place and returns...
How do I get the last character of a string?
...
What if your string is empty?
– Danish Khan
Jan 26 '15 at 19:19
4
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Best way to detect when a user leaves a web page?
What is the best way to detect if a user leaves a web page?
8 Answers
8
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