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Why can't overriding methods throw exceptions broader than the overridden method?
...to this rule. You can add an unchecked exception to the throws clause as a form of documentation if you want, but the compiler doesn't enforce anything about it.
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What are attributes in .NET?
...your custom attributes as being sealed classes to improve their runtime performance.
It is also a good idea to consider where it would be appropriate to use place such an attribute, and to attribute your attribute (!) to indicate this via AttributeUsage. The list of available attribute usages migh...
How does “do something OR DIE()” work in PHP?
...pp to access a MySQL database, and on a tutorial, it says something of the form
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Why doesn't C have unsigned floats?
... would be sometimes using an unsigned float and not realizing that your performance has just been killed. If C++ supported it then every floating point operation would need to be checked to see if it is signed or not. And for programs that do millions of floating point operations, this is not acce...
List of special characters for SQL LIKE clause
... sets, such as [a-f]
or [abcdef].Specifier can take two forms:
rangespec1-rangespec2:
rangespec1 indicates the start of a range of characters.
- is a special character, indicating a range.
rangespec2 indic...
“git diff” does nothing
...es, then there is no output.
git diff [--options] [--] […]
This form is to view the changes you made relative to the index (staging area for the next commit). In other words, the differences are what you could tell git to further add to the index but you still haven't.
See the documenta...
Declare slice or make slice?
...building an API and return an array as the response, using the declarative form will return nil in case your slice doesn't have any element, rather than an empty array. However, if make is used to create the slice, an empty array will be returned instead, which is generally the desired effect.
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How to use LINQ to select object with minimum or maximum property value
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The performance will drag you down. I learnt it the hard way. If you want the object with the Min or Max value, then you do not need to sort the entire array. Just 1 scan should be enough. Look at the accepted answer or look at Mor...
Viewing a Deleted File in Git
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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How do I parse a string into a number with Dart?
...ssert(myDouble is double);
print(myDouble); // 123.45
parse() will throw FormatException if it cannot parse the input.
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