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brew install mysql on macOS
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Note the second: a commenter says step 2 is not required. I don't want to test it, so YMMV!
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Add a new item to a dictionary in Python [duplicate]
...lt_data + {'item3': 3}
{'item2': 2, 'item3': 3, 'item1': 1}
>>> {'test1': 1} + Dict(test2=2)
{'test1': 1, 'test2': 2}
Note that this is more overhead then using dict[key] = value or dict.update(), so I would recommend against using this solution unless you intend to create a new dictionar...
ANTLR: Is there a simple example?
...ens should now be generated.
To see if it all works properly, create this test class:
import org.antlr.runtime.*;
public class ANTLRDemo {
public static void main(String[] args) throws Exception {
ANTLRStringStream in = new ANTLRStringStream("12*(5-6)");
ExpLexer lexer = new E...
Overloading and overriding
...with the same name but different signatures.
//Overloading
public class test
{
public void getStuff(int id)
{}
public void getStuff(string name)
{}
}
Overriding
Overriding is a principle that allows you to change the functionality of a method in a child class.
//Overriding
pu...
Why do we need the “finally” clause in Python?
...xception. (Or if you don't catch that specific exception.)
myfile = open("test.txt", "w")
try:
myfile.write("the Answer is: ")
myfile.write(42) # raises TypeError, which will be propagated to caller
finally:
myfile.close() # will be executed before TypeError is propagated
In th...
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 ...
Deleting a file in VBA
...
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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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 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 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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