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Clear android application user data

... } catch (IOException e) { e.printStackTrace(); } finally { try { if (isr != null) isr.close(); } catch (IOException e) { e.printStackTrace(); } mCountDownLatch.countDown(); ...
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How to get the current date and time

...e(); In the words of the Javadocs for the zero-argument constructor: Allocates a Date object and initializes it so that it represents the time at which it was allocated, measured to the nearest millisecond. Make sure you're using java.util.Date and not java.sql.Date -- the latter doesn't hav...
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Restricting input to textbox: allowing only numbers and decimal point

...pe="text" name="txtChar"> </BODY> </HTML> This really works! share | improve this answer | follow | ...
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startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult

FirstActivity.Java has a FragmentA.Java which calls startActivityForResult() . SecondActivity.Java call finish() but onActivityResult never get called which is written in FragmentA.Java . ...
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Calculating Pearson correlation and significance in Python

...trictly speaking, Pearson's correlation requires that each dataset be normally distributed. Like other correlation coefficients, this one varies between -1 and +1 with 0 implying no correlation. Correlations of -1 or +1 imply an exact linear relationship. Positive correlations imply that as x in...
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How do I get the current line number?

...er to do this work for you, by writing a utility method that uses the new caller attributes: using System.Runtime.CompilerServices; static void SomeMethodSomewhere() { ShowMessage("Boo"); } ... static void ShowMessage(string message, [CallerLineNumber] int lineNumber = 0, [CallerMemberN...
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Integer division with remainder in JavaScript?

... wrong direction, given its name - just not the direction that people generally want though! – Mark K Cowan Dec 19 '13 at 0:34 20 ...
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How can you determine how much disk space a particular MySQL table is taking up?

...a.tables WHERE table_schema='mydb' order by tablesize_mb; to get a list of all tables of mydb with name and size, ordered by size. – kqw Jun 15 '15 at 18:03 1 ...
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How to read file from relative path in Java project? java.io.File cannot find the path specified

...They are dependent on the current working directory over which you have totally no control from inside the Java code. Assuming that ListStopWords.txt is in the same package as your FileLoader class, then do: URL url = getClass().getResource("ListStopWords.txt"); File file = new File(url.getPath())...
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How to split a String by space

... to be a grammar nazi or anything, just passing on a little trivia, that's all. – corsiKa Oct 26 '11 at 7:04 7 ...