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Is it unnecessary to put super() in constructor?
...tomatically put by the compiler if I don't put it in a subclass's constructor?
6 Answers
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How to check if a Ruby object is a Boolean
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Yes, that's called duck typing and a core principle of OOP. I think it's a feature.
– Konstantin Haase
Jun 19 '12 at 16:41
66
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Comment Inheritance for C# (actually any language)
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GhostDoc does exactly that. For methods which aren't inherited, it tries to create a description out of the name.
FlingThing() becomes "Flings the Thing"
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Set attributes from dictionary in python
...s:
class Employee(object):
def __init__(self, initial_data):
for key in initial_data:
setattr(self, key, initial_data[key])
Update
As Brent Nash suggests, you can make this more flexible by allowing keyword arguments as well:
class Employee(object):
def __init__(self...
How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
...rome. I tried this with my version of Chrome (12.0.742.91 beta-m) and it works great using control keys or the context menu.
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Should programmers use SSIS, and if so, why? [closed]
As a .NET developer, for what reasons should I prefer SSIS packages over writing code? We have a ton of packages in production where I currently work, and they're a nightmare to both "write" (perhaps draw?) and maintain. Each package looks like a bowl of multicolored spaghetti with C# and VB.NET s...
How do I verify a method was called exactly once with Moq?
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You can use Times.Once(), or Times.Exactly(1):
mockContext.Verify(x => x.SaveChanges(), Times.Once());
mockContext.Verify(x => x.SaveChanges(), Times.Exactly(1));
Here are the methods on the Times class:
AtLeast - Specifies that a mocked me...
How to do version numbers? [closed]
...em and thus could always be labeled as beta. But since it's going to be a corporate product I really don't want the "unstable watchout" on there. So how would you go about versioning? Is 1.0 stable? Should the build date be in the version number? Tell me what you guys think!
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What is q=0.5 in Accept* HTTP headers?
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This is called a relative quality factor. It specifies what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4:
Each language-range MAY be given an associated quality value which represents an estimate o...
Does Python have a package/module management system?
...hon packaging experience. Cumulatively, they make Python very unwelcoming for newbies. Also, the long history of neglect (ie. not shipping with a package manager for 14 years from Python 2.0 to Python 3.3) did damage to the community. I describe both below.
Outstanding frustrations
It's important ...