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Running JAR file on Windows

... Easiest route is probably upgrading or re-installing the Java Runtime Environment (JRE). Or this: Open the Windows Explorer, from the Tools select 'Folder Options...' Click the File Types tab, scroll down and select JAR File type. Press the Advanced button. In the Edi...
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Characters allowed in a URL

... The characters allowed in a URI are either reserved or unreserved (or a percent character as part of a percent-encoding) http://en.wikipedia.org/wiki/Percent-encoding#Types_of_URI_characters says these are RFC 3986 unreserved characters ...
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Adding gif image in an ImageView in android

...imationActivity: - public class AnimationActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); InputStream stream = null; try { stream = getAssets().open("pig...
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Creating and playing a sound in swift

... Here's a bit of code I've got added to FlappySwift that works: import SpriteKit import AVFoundation class GameScene: SKScene { // Grab the path, make sure to add it to your project! var coinSound = NSURL(fileURLWithPath: Bundle.main.path(forResource: "coi...
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What is the worst gotcha in C# or .NET? [closed]

...return MyVar; } } Blammo. Your app crashes with no stack trace. Happens all the time. (Notice capital MyVar instead of lowercase myVar in the getter.) share | improve this answer | ...
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Replace multiple strings with multiple other strings

...j[matched]; }); jsfiddle example Generalizing it If you want to dynamically maintain the regex and just add future exchanges to the map, you can do this new RegExp(Object.keys(mapObj).join("|"),"gi"); to generate the regex. So then it would look like this var mapObj = {cat:"dog",dog:"goat"...
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AngularJS access scope from outside js function

... You need to use $scope.$apply() if you want to make any changes to a scope value from outside the control of angularjs like a jquery/javascript event handler. function change() { alert("a"); var scope = angular.element($("#outer")).scope();...
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An async/await example that causes a deadlock

...lick for UI / MyController.Get for ASP.NET): The top-level method calls GetJsonAsync (within the UI/ASP.NET context). GetJsonAsync starts the REST request by calling HttpClient.GetStringAsync (still within the context). GetStringAsync returns an uncompleted Task, indicating the REST requ...
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PHP script to loop through all of the files in a directory?

I'm looking for a PHP script that loops through all of the files in a directory so I can do things with the filename, such as format, print or add it to a link. I'd like to be able to sort the files by name, type or by date created/added/modified. (Think fancy directory "index".) I'd also like to be...
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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...