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xcode-select active developer directory error
...s required (happens when CommandLineTools are installed after Xcode)
Solution:
Install Xcode (get it from https://appstore.com/mac/apple/xcode) if you don't have it yet.
Accept the Terms and Conditions.
Ensure Xcode app is in the /Applications directory (NOT /Users/{user}/Applications).
Point xc...
How do I get a reference to the app delegate in Swift?
...
The other solution is correct in that it will get you a reference to the application's delegate, but this will not allow you to access any methods or variables added by your subclass of UIApplication, like your managed object context. To re...
jQuery get selected option value (not the text, but the attribute 'value')
...20: Corrected old answer
Use :selected psuedo selector on the selected options and then use the .val function to get the value of the option.
$('select[name=selector] option').filter(':selected').val()
Side note: Using filter is better then using :selected selector directly in the first query.
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File changed listener in Java
...t a thread that polls the lastModified File property and clearly this solution is not optimal.
14 Answers
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Each for object? [duplicate]
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A javascript Object does not have a standard .each function. jQuery provides a function. See http://api.jquery.com/jQuery.each/ The below should work
$.each(object, function(index, value) {
console.log(value);
});
Another option would be to use vanilla Javascript using the...
How to convert Set to Array?
...
if no such option exists, then maybe there is a nice idiomatic
one-liner for doing that ? like, using for...of, or similar ?
Indeed, there are several ways to convert a Set to an Array:
using Array.from
let array = Array.from(mySet...
Microsoft Azure: How to create sub directory in a blob container
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In Azure Portal we have below option while uploading file :
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How Do I Use Factory Girl To Generate A Paperclip Attachment?
...re images has a Paperclip attachment field called data, an abbreviated version displayed below:
8 Answers
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Open a link in browser with java button? [duplicate]
... : null;
if (desktop != null && desktop.isSupported(Desktop.Action.BROWSE)) {
try {
desktop.browse(uri);
return true;
} catch (Exception e) {
e.printStackTrace();
}
}
return false;
}
public static boolean openWebpage(UR...
Best way to check if UITableViewCell is completely visible
... and compare it with tableview's bounds rect using CGRectContainsRect function.
Note that this will not instantiate the cell if it is not visible, and thus will be rather fast.
Swift
let cellRect = tableView.rectForRowAtIndexPath(indexPath)
let completelyVisible = tableView.bounds.contains(cellRe...