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How do we use runOnUiThread in Android?

...then call this function from your background thread. public void debugMsg(String msg) { final String str = msg; runOnUiThread(new Runnable() { @Override public void run() { mInfo.setText(str); } }); } ...
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How do short URLs services work?

...www.mytinyurl.com/fif "fif" would then be passed to your method, RouteURL(String UrlID). RouteURL would then convert "fif" to its base10 equivalent, 20103, and a database request will be made to redirect to whatever URL is stored under the ID 20103 (in this case, www.digg.com). You would also incr...
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint

...T: extension NSLayoutConstraint { override public var description: String { let id = identifier ?? "" return "id: \(id), constant: \(constant)" //you may print whatever you want here } } OBJECTIVE-C @interface NSLayoutConstraint (Description) @end @implementation NSL...
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When is JavaScript's eval() not evil?

...see my specific remarks below). Code injection - eval() potentially runs a string of code under elevated privileges. For example, a program running as administrator/root would never want to eval() user input, because that input could potentially be "rm -rf /etc/important-file" or worse. Again, JavaS...
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Copying text to the clipboard using Java

...s for me and is quite simple: Import these: import java.awt.datatransfer.StringSelection; import java.awt.Toolkit; import java.awt.datatransfer.Clipboard; And then put this snippet of code wherever you'd like to alter the clipboard: String myString = "This text will be copied into clipboard"; S...
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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip

...added: protected void Application_Start(object sender, EventArgs e) { string JQueryVer = "1.7.1"; ScriptManager.ScriptResourceMapping.AddDefinition("jquery", new ScriptResourceDefinition { Path = "~/Scripts/jquery-" + JQueryVer + ".min.js", DebugPath = "~/Scripts/jquery-...
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I want to get the type of a variable at runtime

... Any = 5 def f[T](v: T) = v match { case _: Int => "Int" case _: String => "String" case _ => "Unknown" } f(x) Here it doesn't matter what is the type of the variable, Any. What matters, what is checked is the type of 5, the value. In fact, T is useless -- you might as we...
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LINQ - Full Outer Join

...zed, right now. See it live on http://ideone.com/O36nWc static void Main(string[] args) { var ax = new[] { new { id = 1, name = "John" }, new { id = 2, name = "Sue" } }; var bx = new[] { new { id = 1, surname = "Doe" }, new { id = 3, surname = "Smith" } };...
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Why is early return slower than else?

...king up are the same object (which in this case they will be because short strings that could be identifiers are interned so identical identifiers use the exact same string). Finally when the slot is full, the hash matches exactly, but the keys are not the identical object, then and only then will P...
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Defining a HTML template to append using JQuery

...th iteration (<% for), conditionals (<% if) and transforms (<%= myString | uppercase %>) seen as microlanguage at best, and anti-patterns at worst. Modern templating practices encourage simply mapping an object to its DOM (or other) representation, e.g. what we see with properties mapped...