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Convert String to double in Java
...l values, you need to replace "," in the number to "."
String number = "123,321";
double value = Double.parseDouble( number.replace(",",".") );
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MySQL - force not to use cache for testing speed of query
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123
Another alternative that only affects the current connection:
SET SESSION query_cache_type=0;...
Fast permutation -> number -> permutation mapping algorithms
I have n elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
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What is difference between instantiating an object using new vs. without
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123
The line:
Time t (12, 0, 0);
... allocates a variable of type Time in local scope, generall...
What is the reason for having '//' in Python? [duplicate]
...edited Feb 20 '15 at 6:52
Rizier123
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answered Feb 20 '15 at 6:35
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Is there shorthand for returning a default value if None in Python? [duplicate]
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123
return "default" if x is None else x
try the above.
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C# Double - ToString() formatting with two decimal places but no rounding
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I suggest you truncate first, and then format:
double a = 123.4567;
double aTruncated = Math.Truncate(a * 100) / 100;
CultureInfo ci = new CultureInfo("de-DE");
string s = string.Format(ci, "{0:0.00}%", aTruncated);
Use the constant 100 for 2 digits truncate; use a 1 followed by a...
Java String remove all non numeric characters
...required. Did you test it? using the sample code above, your code returns "1233478", which is incorrect.
– Óscar López
Sep 6 '15 at 14:42
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How to convert int to char with leading zeros?
...d as varchar(5)), 5)
It will get the result in 5 digits, ex: 00001,...., 01234
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In Typescript, How to check if a string is Numeric
...y to convert a string to a number is with Number, not parseFloat.
Number('1234') // 1234
Number('9BX9') // NaN
You can also use the unary plus operator if you like shorthand:
+'1234' // 1234
+'9BX9' // NaN
Be careful when checking against NaN (the operator === and !== don't work as expected wi...