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What's the best practice to round a float to 2 decimals? [duplicate]

...s 0. Do you know how to show always sign and all (2) decimals?? Example: 2.1234 --> 2.12 but 2.1 --> 2.1 but no 2.10 – vgonisanz Jan 18 '12 at 14:36 1 ...
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MySQL Select all columns from one table and some from another table

How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL. 4 Answers ...
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Difference between toFixed() and toPrecision()?

...rovides x total length." does not necessarily hold. Counter example: 0.00001234.toPrecision(3) – djvg Nov 28 '18 at 8:36 add a comment  |  ...
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Convert from List into IEnumerable format

How shall I do in order to convert _Book_List into IEnumerable format? 6 Answers 6...
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Renaming or copying files and folder using NERDTree on Vim. Is it possible?

...nd a way o renaming or copying files and folder using NERDTree. Is it possible? 2 Answers ...
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Using String Format to show decimal up to 2 places or simple integer

... An inelegant way would be: var my = DoFormat(123.0); With DoFormat being something like: public static string DoFormat( double myNumber ) { var s = string.Format("{0:0.00}", myNumber); if ( s.EndsWith("00") ) { return ((int)myNumber).ToString(); ...
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How to match “any character” in regular expression?

... flag when compiling the expression: Pattern pattern = Pattern.compile(".*123", Pattern.DOTALL); Matcher matcher = pattern.matcher(inputStr); boolean matchFound = matcher.matches(); share | improv...
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Truncate (not round) decimal places in SQL Server

... select round(123.456, 2, 1) share | improve this answer | follow | ...
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How to remove text from a string?

I've got a data-123 string. 11 Answers 11 ...
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Validate phone number with JavaScript

...fectly. It validates that the phone number is in one of these formats: (123) 456-7890 or 123-456-7890 26 Answers ...