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How to check if BigDecimal variable == 0 in java?

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On localhost, how do I pick a free port number?

...do I figure out which port is available? I assume I cannot listen on port 80 or 21? 5 Answers ...
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Programmatically set left drawable in a TextView

...DrawablesWithIntrinsicBounds(int left, int top, int right, int bottom) set 0 where you don't want images Example for Drawable on the left: TextView textView = (TextView) findViewById(R.id.myTxtView); textView.setCompoundDrawablesWithIntrinsicBounds(R.drawable.icon, 0, 0, 0); Alternatively, you can ...
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How do you sort an array on multiple columns?

... 170 If owner names differ, sort by them. Otherwise, use publication name for tiebreaker. function m...
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Maven check for updated dependencies in repository

...lable: [INFO] org.apache.maven:maven-artifact ........................ 2.0 -> 2.0.9 [INFO] org.apache.maven:maven-plugin-api ...................... 2.0 -> 2.0.9 [INFO] org.apache.maven:maven-project ....................... 2.0.2 -> 2.0.9 [INFO] org.codehaus.plexus:plexus-utils ........
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Subscripts in plots in R

... answered Apr 14 '12 at 19:05 smusmu 7,04722 gold badges1616 silver badges1414 bronze badges ...
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)

...tring columnName = String.Empty; int modulo; while (dividend > 0) { modulo = (dividend - 1) % 26; columnName = Convert.ToChar(65 + modulo).ToString() + columnName; dividend = (int)((dividend - modulo) / 26); } return columnName; } ...
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How to remove space between axis & area-plot in ggplot2?

... to expand the scale by 5% on each side for continuous variables, and by 0.6 units on each side for discrete variables. The problem is thus solved by adding expand = c(0,0) to scale_x_continuous and scale_y_continuous. This also removes the need for adding the panel.margin parameter. The code...
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Is it safe to use -1 to set all bits to true?

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Creating dataframe from a dictionary where entries have different lengths

Say I have a dictionary with 10 key-value pairs. Each entry holds a numpy array. However, the length of the array is not the same for all of them. ...