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Safely override C++ virtual functions
I have a base class with a virtual function and I want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures ...
Code coverage with Mocha
... for testing my NodeJS application. I am not able to figure out how to use its code coverage feature. I tried googling it but did not find any proper tutorial. Please help.
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How do I auto size a UIScrollView to fit its content
... make a UIScrollView auto-adjust to the height (or width) of the content it's scrolling?
21 Answers
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Python nonlocal statement
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Compare this, without using nonlocal:
x = 0
def outer():
x = 1
def inner():
x = 2
print("inner:", x)
inner()
print("outer:", x)
outer()
print("global:", x)
# inner: 2
# outer: 1
# global: 0
To this, usi...
How to convert an array to object in PHP?
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In the simplest case, it's probably sufficient to "cast" the array as an object:
$object = (object) $array;
Another option would be to instantiate a standard class as a variable, and loop through your array while re-assigning the values:
$obje...
JSTL in JSF2 Facelets… makes sense?
I would like to output a bit of Facelets code conditionally.
3 Answers
3
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What's the difference between assignment operator and copy constructor?
...the difference between assignment constructor and copy constructor in C++. It is like this:
8 Answers
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Pick any kind of file via an Intent in Android
...new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("file/*");
startActivityForResult(intent, PICKFILE_REQUEST_CODE);
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What does “abstract over” mean?
Often in the Scala literature, I encounter the phrase "abstract over", but I don't understand the intent. For example , Martin Odersky writes
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How do I get a file extension in PHP?
This is a question you can read everywhere on the web with various answers:
28 Answers
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