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Best GWT widget library? [closed]

Question for all the GWT gurus out there - which is the best GWT widgets library out there? And why? 27 Answers ...
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Access restriction: The type 'Application' is not API (restriction on required library rt.jar)

...search. Background: Eclipse access restrictions Eclipse has a mechanism called access restrictions to prevent you from accidentally using classes which Eclipse thinks are not part of the public API. Usually, Eclipse is right about that, in both senses: We usually do not want to use something which...
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What's the difference between TRUNCATE and DELETE in SQL

...nces highlighted below. General Overview If you want to quickly delete all of the rows from a table, and you're really sure that you want to do it, and you do not have foreign keys against the tables, then a TRUNCATE is probably going to be faster than a DELETE. Various system-specific issues h...
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How to trick an application into thinking its stdout is a terminal, not a pipe

...a! The script command does what we want... script --return --quiet -c "[executable string]" /dev/null Does the trick! Usage: script [options] [file] Make a typescript of a terminal session. Options: -a, --append append the output -c, --command <command> run com...
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Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?

... This actually refers to the Delta between layout position from iOS6 to iOS7. In iOS7, some views can hide the status bar or have it transparent and, in effect, it is overlaid on top of your view. So if you put a UI element at (0.0...
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Use jQuery to get the file input's selected filename without the path

...plit('\\').pop(); on Win 7, Ubuntu 11.04 and Mac OS X and it works fine on all of them. – Alex Mar 8 '12 at 14:57 3 ...
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Difference between jar and war in Java

... You add web components to a J2EE application in a package called a web application archive (WAR), which is a JAR similar to the package used for Java class libraries. A WAR usually contains other resources besides web components, including: Server-side utility classes (database bean...
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Java Generics: Cannot cast List to List? [duplicate]

...g IMO, which makes assignments within the array unsafe - they can fail at execution time, despite being fine at compile time. In the first case, imagine that the code did compile, and was followed by: b1.add(new SomeOtherTree()); DataNode node = a1.get(0); What would you expect to happen? You c...
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Get individual query parameters from Uri [duplicate]

...ng: public static class UriExtensions { private static readonly Regex _regex = new Regex(@"[?&](\w[\w.]*)=([^?&]+)"); public static IReadOnlyDictionary<string, string> ParseQueryString(this Uri uri) { var match = _regex.Match(uri.PathAndQuery); var paramat...
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Remove shadow below actionbar

...PDATE: As @Quinny898 stated, on Android 5.0 this has changed, you have to call setElevation(0) on your action bar. Note that if you're using the support library you must call it to that like so: getSupportActionBar().setElevation(0); ...