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Round a double to 2 decimal places [duplicate]

...) throw new IllegalArgumentException(); long factor = (long) Math.pow(10, places); value = value * factor; long tmp = Math.round(value); return (double) tmp / factor; } This breaks down badly in corner cases with either a very high number of decimal places (e.g. round(1000.0d, 17)...
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Difference between jQuery’s .hide() and setting CSS to display: none

... answered Dec 9 '10 at 10:09 Stephan MullerStephan Muller 24.2k1313 gold badges7575 silver badges116116 bronze badges ...
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How to get the position of a character in Python?

... answered Feb 19 '10 at 6:35 Eli BenderskyEli Bendersky 218k7777 gold badges324324 silver badges390390 bronze badges ...
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Placeholder in IE9

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What happens to an open file handle on Linux if the pointed file gets moved or deleted

... answered Jan 8 '10 at 22:09 MarkRMarkR 58k1313 gold badges107107 silver badges143143 bronze badges ...
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Is cout synchronized/thread-safe?

... 106 The C++03 standard does not say anything about it. When you have no guarantees about the threa...
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Where is the itoa function in Linux?

... 102 EDIT: Sorry, I should have remembered that this machine is decidedly non-standard, having plug...
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Argparse optional positional arguments?

... anatoly techtonik 16.3k88 gold badges102102 silver badges124124 bronze badges answered Dec 18 '10 at 21:15 Vinay SajipVinay Sajip ...
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How do I flush the PRINT buffer in TSQL?

... | edited Feb 3 '10 at 2:09 answered Nov 20 '08 at 21:58 ...
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How do you check in python whether a string contains only numbers?

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