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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
4 Answers
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How can I make the computer beep in C#?
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And here is why: blogs.msdn.com/larryosterman/archive/2010/01/04/…
– Michael Stum♦
Apr 23 '10 at 23:24
3
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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...
Get Folder Size from Windows Command Line
...on?
– IT researcher
Jul 22 '15 at 7:01
2
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Calculating days between two dates with Java
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UPDATE: The original answer from 2013 is now outdated because some of the classes have been replaced. The new way of doing this is using the new java.time classes.
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd MM yyyy");
String inputString1 = "23 0...
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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What are the differences between a HashMap and a Hashtable in Java?
...tter for non-threaded applications, as unsynchronized Objects typically perform better than synchronized ones.
Hashtable does not allow null keys or values. HashMap allows one null key and any number of null values.
One of HashMap's subclasses is LinkedHashMap, so in the event that you'd want predi...