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What does “fragment” mean in ANTLR?
...r:
NUMBER: DIGITS | OCTAL_DIGITS | HEX_DIGITS;
fragment DIGITS: '1'..'9' '0'..'9'*;
fragment OCTAL_DIGITS: '0' '0'..'7'+;
fragment HEX_DIGITS: '0x' ('0'..'9' | 'a'..'f' | 'A'..'F')+;
In this example, matching a NUMBER will always return a NUMBER to the lexer, regardless of if it matched "1234", "...
Efficient way to determine number of digits in an integer
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107
Well, the most efficient way, presuming you know the size of the integer, would be a lookup. S...
HTML5 canvas ctx.fillText won't do line breaks?
... Neuron
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answered Feb 18 '11 at 14:42
Simon SarrisSimon Sarris
56k121...
How to round a number to n decimal places in Java
...ngMode(RoundingMode.CEILING);
for (Number n : Arrays.asList(12, 123.12345, 0.23, 0.1, 2341234.212431324)) {
Double d = n.doubleValue();
System.out.println(df.format(d));
}
gives the output:
12
123.1235
0.23
0.1
2341234.2125
EDIT: The original answer does not address the accuracy of th...
Which is better, number(x) or parseFloat(x)?
... same:
parseFloat('3'); // => 3
Number('3'); // => 3
parseFloat('1.501'); // => 1.501
Number('1.501'); // => 1.501
parseFloat('1e10'); // => 10000000000
Number('1e10'); // => 10000000000
So as long as you have standard numeric input, there's no difference. However, if your input...
Histogram using gnuplot?
...x,width)=width*floor(x/width)
plot 'datafile' using (bin($1,binwidth)):(1.0) smooth freq with boxes
check out help smooth freq to see why the above makes a histogram
to deal with ranges just set the xrange variable.
share...
ToList()— does it create a new list?
...
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edited May 5 '10 at 14:37
answered May 5 '10 at 14:32
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...ult is display.
How to solve this problem?. How to change the null data to 0 when no data in the table?.
6 Answers
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How do you compare two version Strings in Java?
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answered Oct 13 '08 at 17:57
gizmogizmo
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Using jquery to get element's position relative to viewport
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edited Apr 17 '13 at 9:50
Pang
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answered Oc...