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Convert a number range to another range, maintaining ratio
I'm trying to convert one range of numbers to another, maintaining ratio. Maths is not my strong point.
18 Answers
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How do I get the difference between two Dates in JavaScript?
...);
console.log(a + 10);
So if you have risk of adding a number and Date, convert Date to number directly.
console.log(a.getTime() - 10);
console.log(a.getTime() + 10);
My fist example demonstrates the power of Date object but it actually appears to be a time bomb
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Convert Json Array to normal Java list
Is there a way to convert JSON Array to normal Java Array for android ListView data binding?
14 Answers
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Convert JSON String To C# Object
Trying to convert a JSON string into an object in C#. Using a really simple test case:
13 Answers
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Convert floating point number to a certain precision, and then copy to string
...digits:
print "%.2f" % numvar
Return precision with 2 digits and float converted value:
numvar = 4.2345
print float("%.2f" % numvar)
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How to convert an int value to string in Go?
...it appears that iota should be used in general when a single integer needs converting.
– Edward
Nov 14 '18 at 10:38
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How do I convert a String to an int in Java?
How can I convert a String to an int in Java?
46 Answers
46
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Using Java 8 to convert a list of objects into a string obtained from the toString() method
...).map(e -> e.toString()).reduce("", String::concat);
Explanation: map converts Integer stream to String stream, then its reduced as concatenation of all the elements.
Note: This is normal reduction which performs in O(n2)
for better performance use a StringBuilder or mutable reduction similar...
Conversion from Long to Double in Java
Is there any way to convert a Long data type to Double or double ?
8 Answers
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Is 'float a = 3.0;' a correct statement?
...It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specifically, consider:
float foo(float x) { return x * 0.42; }
H...