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Getting exact error type in from DbValidationException
...tion.DbEntityValidationResult} which gives me no information at all about what field it was unable to initialize.
Is there a way to get more info about this error?
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How to identify unused css definitions
...It identifies the CSS you use and don’t use. It enables you to point out what unnecessary parts can be removed. You should definitely use this add-on to keep your CSS files as lightweight as possible.
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Swift class introspection & generics
...zer with type '()'
class X {
^
It took me a while to figure out what this means… turns out it wants the class to have a @required init()
class X {
func me() {
println("asdf")
}
required init () {
}
}
let Y = X.self
// prints "asdf"
Y().me()
Some of the doc...
Python 3.x rounding behavior
I was just re-reading What’s New In Python 3.0 and it states:
11 Answers
11
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Amazon Interview Question: Design an OO parking lot [closed]
Design an OO parking lot. What classes and functions will it have. It should say, full, empty and also be able to find spot for Valet parking. The lot has 3 different types of parking: regular, handicapped and compact.
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.NET WebAPI Serialization k_BackingField Nastiness
...e public properties for you.
Only if you want to have more control about what's included, you then decorate your class with [DataContract] and the properties to be included with [DataMember] (because both DCS and JSON.NET respsect these attributes).
If for some reason, you need the [Serializable]...
@Autowired and static method
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What will guarantee that the constructor is called before the static method is accessed?
– David Dombrowsky
Aug 18 '17 at 20:34
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Detect if an element is visible with jQuery [duplicate]
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if($('#testElement').is(':visible')){
//what you want to do when is visible
}
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pip install from git repo branch
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@SalahAdDin, I don't understand what you mean by tree. The given command in the answer works fine : i.imgur.com/5q9F0CC.png
– falsetru
Mar 10 '17 at 13:33
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Inheriting from a template class in c++
...s of the same class simply cannot have different inheritance hierarchies.
What you can do is to make Rectangle a template as well. If you write
template<typename T> class Rectangle:
public Area<T>
{
// ...
};
You have a template Rectangle from which you can get a class Rectangle&...