大约有 6,000 项符合查询结果（耗时：0.0139秒） [XML]
Using String Format to show decimal up to 2 places or simple integer
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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();
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How to remove the first character of string in PHP?
How to use PHP , Remove the first character :
13 Answers
13
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Truncate (not round) decimal places in SQL Server
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select round(123.456, 2, 1)
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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
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STL or Qt containers?
...hile std::vector<float> successfully allocated 4294967295 elements (2³²-1; didn't try more due to lack of RAM for this (this size already takes 16 GiB)).
– Ruslan
Oct 16 '19 at 13:20
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What is the most efficient way to loop through dataframes with pandas? [duplicate]
... ^ SyntaxError: invalid syntax
– astro123
Apr 1 '19 at 3:54
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YYYY-MM-DD format date in shell script
... a more compact notation for the accepted answer.
– Håvard Geithus
Nov 16 '15 at 20:42
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(How) can I count the items in an enum?
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123
There's not really a good way to do this, usually you see an extra item in the enum, i.e.
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