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How to clone a case class instance and change just one field in Scala?
...ople on different social networks. Instances of that class are fully immutable, and are held in immutable collections, to be eventually modified by an Akka actor.
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How to overload functions in javascript?
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There are multiple aspects to argument overloading in Javascript:
Variable arguments - You can pass different sets of arguments (in both type and quantity) and the function will behave in a way that matches the arguments passed to it.
Default arguments - You can define a default value for an arg...
TypeError: unhashable type: 'dict'
This piece of code is giving me an error unhashable type: dict can anyone explain me what is the solution
2 Answers
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Get difference between 2 dates in JavaScript? [duplicate]
How do I get the difference between 2 dates in full days (I don't want any fractions of a day)
6 Answers
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Pip install Matplotlib error with virtualenv
I am trying to install matplotlib in a new virtualenv.
11 Answers
11
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Fastest way to check if string contains only digits
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bool IsDigitsOnly(string str)
{
foreach (char c in str)
{
if (c < '0' || c > '9')
return false;
}
return true;
}
Will probably be the fastest way to do it.
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
I've been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!...
Merge and interleave two arrays in Ruby
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DigitalRossDigitalRoss
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Difference between two lists
I Have two generic list filled with CustomsObjects.
12 Answers
12
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Python: try statement in a single line
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There is no way to compress a try/except block onto a single line in Python.
Also, it is a bad thing not to know whether a variable exists in Python, like you would in some other dynamic languages. The safer way (and the prevailing style) is to set all variables to...