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Unfortunately MyApp has stopped. How can I solve this?

...his was an obvious error. However, let's say I got another error: java.lang.NullPointerException I checked my logcat, I clicked on the blue link it gave me, and it took me here: mTextView.setText(myString); So, now I want to debug. According to this StackOverflow question, a NullPointerExce...
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How do I break out of a loop in Scala?

... This is using Scala as a procedural language ignoring the functional programming advantages (i.e. tail recursion). Not pretty. – Galder Zamarreño Aug 3 '11 at 17:13 ...
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.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?

...is right, if you use a zero-length array there is no way around: (T[])java.lang.reflect.Array.newInstance(a.getClass().getComponentType(), size); which would be superfluous in if the size would be >= actualSize (JDK7) – Alex May 31 '13 at 14:52 ...
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LINQPad [extension] methods [closed]

...uild queries: // Dynamically build simple expression: new Hyperlinq (QueryLanguage.Expression, "123 * 234").Dump(); // Dynamically build query: new Hyperlinq (QueryLanguage.Expression, @"from c in Customers where c.Name.Length > 3 select c.Name", "Click to run!").Dump(); You can also write yo...
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Difference between return and exit in Bash functions

...unction. 0 is true but false is 1 in the shell, different from other prog langs. For more info on functions: http://www.linuxjournal.com/content/return-values-bash-functions NOTE: The isdirectory function is for instructional purposes only. This should not be how you perform such an option in a r...
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Lambda Expression and generic method

... incompatible types: java.util.Comparator<java.lang.String> cannot be converted to MyComparable and MyComparable is not generic (no type) so (MyComparable<String>) would not work either – user85421 Sep 20 '18 at 13:00 ...
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How to create ENUM type in SQLite?

...LUES" keyword) creates a single new row in an existing table.": sqlite.org/lang_insert.html. Break it up avoid that: INSERT INTO PriceType(Type, Seq) VALUES ('M',1); INSERT INTO PriceType(Type, Seq) VALUES ('R',2); INSERT INTO PriceType(Type, Seq) VALUES ('H',3); – ahcox ...
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jQuery UI accordion that keeps multiple sections open?

...orner-bottom") .hide(); HTML code: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <title>Toggle Panels (not accordion) using ui-accordion styles</title> <!-- jQuery UI | http://jquery.com/ http://jqueryui.com/ http://jqueryui.co...
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How to set up Spark on Windows?

... I get "java.lang.IllegalArgumentException: Error while instantiating 'org.apache.spark.sql.hive.HiveSessionState'". Do I need an extra step for installing hive? – Stefan Mar 31 '17 at 19:52 ...
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How do I use a custom Serializer with Jackson?

... With this I get the same error: Exception in thread "main" java.lang.IllegalArgumentException: JsonSerializer of type com.example.JsonTest$UserSerilizer does not define valid handledType() (use alternative registration method?) at org.codehaus.jackson.map.module.SimpleSerializers.addSeri...