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Deleting a file in VBA
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1.) Check here. Basically do this:
Function FileExists(ByVal FileToTest As String) As Boolean
FileExists = (Dir(FileToTest) <> "")
End Function
I'll leave it to you to figure out the various error handling needed but these are among the error handling things I'd be considering:
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Circle line-segment collision detection algorithm?
...e ray,
L is the end point of the ray,
C is the center of sphere you're testing against
r is the radius of that sphere
Compute:
d = L - E ( Direction vector of ray, from start to end )
f = E - C ( Vector from center sphere to ray start )
Then the intersection is found by..
Plugging:
P = E ...
Best way to test if a generic type is a string? (C#)
...efault(T);
}
else
{
return Activator.CreateInstance<T>();
}
Untested, but the first thing that came to mind.
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How to avoid .pyc files?
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Do you know how to do the same with pytest?
– user6713148
Mar 17 '19 at 16:33
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How to check if a variable is an integer in JavaScript?
... && (function(x) { return (x | 0) === x; })(parseFloat(value))
}
Tests:
isInt(42) // true
isInt("42") // true
isInt(4e2) // true
isInt("4e2") // true
isInt(" 1 ") // true
isInt("") // false
isInt(" ") // false
isInt(42.1) // false
isInt("1a") ...
How to create the perfect OOP application [closed]
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If company tells something about libraries like NUnit, JUnit or Test::Unit is more than probable that TDD is really importat to them. In your code sample is no tests at all.
I would try to demonstrate practical knowledge of:
Unit tests (eg. NUnit)
Mocking (eg. RhinoMocks)
Persistence...
How to check if a file contains a specific string using Bash
... /bin/true; then ...; fi
[[ is an internal bash command dedicated to some tests, like file existence, variable comparisons. Similarly [ is an external command (it is located typically in /usr/bin/[) that performs roughly the same tests but needs ] as a final argument, which is why ] must be padded ...
How to convert a string of bytes into an int?
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according to the endianness of your byte-string.
This also works for bytestring-integers of arbitrary length, and for two's-complement signed integers by specifying signed=True. See the docs for from_bytes.
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Comparison of CI Servers? [closed]
... like static analysis, cross-project dependencies, deployments, functional tests, etc. To help with that planning I created this wallchart on the Elements of Enterprise CI (PDF; no registration required). Please don't let the "E-word" put you off; I just mean stuff beyond the basic fast feedback CI ...
javascript set a variable if undefined
I know that I can test for a javascript variable and then define it if it is undefined, but is there not some way of saying
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