大约有 32,294 项符合查询结果(耗时:0.0829秒) [XML]
Math - mapping numbers
...wing linear transform:
Y = (X-A)/(B-A) * (D-C) + C
That should give you what you want, although your question is a little ambiguous, since you could also map the interval in the reverse direction. Just watch out for division by zero and you should be OK.
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PHP - Get bool to echo false when false
... It's perfectly valid and a part of other languages, including javascript. What's weird is FALSE defaults to an empty string. It should default to 0. Always. Especially since TRUE will always default to 1. This breaks a cardinal rule of programming. Keep your code consistent. This is clearly a bug.
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Format Float to n decimal places
...https://docs.oracle.com/javase/8/docs/api/java/text/DecimalFormat.html
So what you need to do is (for instance):
NumberFormat formatter = NumberFormat.getInstance(Locale.US);
formatter.setMaximumFractionDigits(2);
formatter.setMinimumFractionDigits(2);
formatter.setRoundingMode(RoundingMode.HALF_U...
Regex Match all characters between two strings
...etween the two lookarounds. Adding a ? makes the star lazy.
This matches what you want:
(?<=This is).*?(?=sentence)
See demo. I removed the capture group, which was not needed.
DOTALL Mode to Match Across Line Breaks
Note that in the demo the "dot matches line breaks mode" (a.k.a.) dot-al...
Recursion in Angular directives
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What if you want the template to be located in an external file?
– CodyBugstein
Mar 4 '15 at 13:12
2
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How to fix “containing working copy admin area is missing” in SVN?
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What I did to fix this was to delete the local copy of the folder under question and then do an svn update of the parent directly afterwards.
Fixed it right up.
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Best way to add comments in erb
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What's the difference between the two?
– Travis Reeder
Jan 4 '17 at 14:09
3
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string sanitizer for filename
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That is actually not what was asked. The op asks for a function to sanitize string, not a alternative.
– i.am.michiel
Feb 7 '13 at 10:14
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How do I round a decimal value to 2 decimal places (for output on a page)
...idn't use bankers rounding
Didn't keep the value as a decimal.
This is what I would use:
decimal.Round(yourValue, 2, MidpointRounding.AwayFromZero);
http://msdn.microsoft.com/en-us/library/9s0xa85y.aspx
share
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textarea's rows, and cols attribute in CSS
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While rows attribute is (somewhat) reliable, I wouldn't rely on cols attribute unless I'm using monospace fonts on the textarea. See @AlexanderScholz's updated fiddle.
– akinuri
Dec 6 '19 at 13:35
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