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How do I test for an empty string in a Bash case statement?

... I use a simple fall through. no parameters passed ($1="") will be caught by the second case statement, yet the following * will catch any unknown parameter. Flipping the "") and *) will not work as *) will catch everything every time in that...
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Difference between Activity and FragmentActivity

...compatibility with older versions of Android, but other than that, there really isn't much of a difference between the two. Just make sure you change all calls to getLoaderManager() and getFragmentManager() to getSupportLoaderManager() and getSupportFragmentManager() respectively. ...
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Watch multiple $scope attributes

...bject in scope. $scope.$watchGroup( [function () { return _this.$scope.ViewModel.Monitor1Scale; }, function () { return _this.$scope.ViewModel.Monitor2Scale; }], function (newVal, oldVal, scope) { if (newVal != oldVal) { ...
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In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?

... What you are talking about is called dot sourcing. And it's evil. But no worries, there is a better and easier way to do what you are wanting with modules (it sounds way scarier than it is). The major benefit of using modules is that you can unload them fr...
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How do you use $sce.trustAsHtml(string) to replicate ng-bind-html-unsafe in Angular 1.2+

...e this might be? I've asked for more clarification in a separate question. All input appreciated! – Philip Bulley Jan 15 '14 at 17:44 ...
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How to wait for all goroutines to finish without using time.Sleep?

This code selects all xml files in the same folder, as the invoked executable and asynchronously applies processing to each result in the callback method (in the example below, just the name of the file is printed out). ...
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AngularJS access scope from outside js function

... over it: github.com/angular/angular.js/wiki/When-to-use-$scope.$apply(). _If you are doing if (!$scope.$$phase) $scope.$apply() it's because you are not high enough in the call stack._ – scheffield Sep 29 '14 at 14:44 ...
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Programmatically access currency exchange rates [closed]

... this, is there any information on what the parameters stand for? Specifically the "f" parameter. I can't find any info anywhere. – Fishcake Oct 8 '09 at 6:12 9 ...
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Eliminate extra separators below UITableView

..."bottom bounce" of the table is handled, as you prefer. (Height zero is usually fine). To do it programmatically: Swift override func viewDidLoad() { super.viewDidLoad() self.tableView.tableFooterView = UIView() } Objective-C iOS 6.1+ - (void)viewDidLoad { [super viewDidLoad...
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Access object child properties using a dot notation string [duplicate]

...(r, "b.b2")); //-> 99 Although there are answers that extend this to "allow" array index access, that's not really necessary as you can just specify numerical indexes using dot notation with this method: getDescendantProp({ a: [ 1, 2, 3 ] }, 'a.2'); //-> 3 ...