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How to nicely format floating numbers to String without unnecessary decimal 0?

...ise print the doubles with the minimum necessary precision: public static String fmt(double d) { if(d == (long) d) return String.format("%d",(long)d); else return String.format("%s",d); } Produces: 232 0.18 1237875192 4.58 0 1.2345 And does not rely on string manipulati...
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What is the difference between Integer and int in Java?

...bleValue); Byte myByteValue = doubleObject.byteValue (); String myStringValue = doubleObject.toString(); Primitive data types are store the fastest available memory where the Helper class is complex and store in heap memory. reference from "David Gassner" Java Essential Training...
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What is the boundary in multipart/form-data?

... @K3rnel31 Of course, unless the new boundary string has the same length. – Oscar Mederos Apr 16 '14 at 19:00 5 ...
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How do I change read/write mode for a file using Emacs?

...t args) "Run a unix command and, if it returns 0, return the output as a string. Otherwise, signal an error. The error message is the first line of the output." (let ((output-buffer (generate-new-buffer "*stdout*"))) (unwind-protect (let ((return-value (apply 'call-process command nil ...
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Retain precision with double in Java

...int things out in a slightly friendlier format, try java.util.Formatter or String.format. In the format string specify a precision less than the full precision of a double. To 10 significant figures, say, 11.399999999999 is 11.4, so the result will be almost as accurate and more human-readable in ca...
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Comparing Java enum members: == or equals()?

... I do this when .equals()ing string values, but I still think that it's a crappy way to write null-safe code. I'd much rather have an operator (or a method, but I know that [null object].equals won't ever be null-safe in Java because of how the dot opera...
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Passing data between a fragment and its container activity

...the interface... public interface OnDataPass { public void onDataPass(String data); } Then, connect the containing class' implementation of the interface to the fragment in the onAttach method, like so: OnDataPass dataPasser; @Override public void onAttach(Context context) { super.onAtt...
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How to check command line parameter in “.bat” file?

... command. ... the /I switch, if specified, says to do case insensitive string compares. it may be of help if you want to give case insensitive flexibility to your users to specify the parameters. IF /I "%1"=="-b" GOTO SPECIFIC ...
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Is it valid to have a html form inside another html form?

...d with "form" attribute ("form owner"). As for HTML 4.x you can: Use an extra form(s) with only hidden fields & JavaScript to set its input's and submit the form. Use CSS to line up several HTML form to look like a single entity - but I think that's too hard. ...
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Split string to equal length substrings in Java

How to split the string "Thequickbrownfoxjumps" to substrings of equal size in Java. Eg. "Thequickbrownfoxjumps" of 4 equal size should give the output. ...