utils
library
Functions
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aangle(num x1, num y1, num x2, num y2)
→ double
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angle(num x1, num y1, num x2, num y2)
→ double
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assume p1(x1, y1) is the center,
the angle of the line between p1 and p2 rotates from the vertical Y axis line of the coordinates
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crcInt(String data, [int? crc])
→ int
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CRC32
Copyright (C) 2012, Kai Sellgren
Licensed under the MIT License.
http://www.opensource.org/licenses/mit-license.php
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crcString(String data, [int? crc])
→ String
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crcTimestamp()
→ String
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datetime()
→ String
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Get the date string from DateTime.now().
'20240307112422357516'
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deepCopy(dynamic value)
→ dynamic
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degrees(double radians)
→ double
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Convert
radians to degrees.
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gaussianNoise(double mean, double standardDeviation, {Random? randomGenerator})
→ double
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gradualValue(num input, num target, {double power = 0.5})
→ double
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Input a value and a target, get a output between 0.0 and 1.0.
The more the input is near the target, the more the output is near 1.0.
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isEqual(dynamic a, dynamic b)
→ bool
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isJsonDataType(dynamic object)
→ bool
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jsonify(dynamic value, {bool deep = true})
→ dynamic
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jsonifyList(Iterable list)
→ List
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jsonifyStruct(HTStruct struct, {HTStruct? from})
→ Map<String, dynamic>
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radians(double degrees)
→ double
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Convert
degrees to radians.
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radiusToSigma(double radius)
→ double
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randomNID({int length = 8, bool withTime = false})
→ String
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Get a random id consists by number.
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randomUID({int length = 4, bool withTime = false})
→ String
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Get a random id consists by number and letters.
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randomUUID()
→ String
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Get a random UUID
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timestamp()
→ String
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