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Has an event handler already been added?
... exactly same delegate existance. Otherwise compare the properties individually like if(objA.Method.Name == objB.Method.Name && objA.Target.GetType().FullName == objB.Target.GetType().FullName).
– Sanjay
Aug 6 '14 at 13:21
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Differences between MySQL and SQL Server [closed]
I'm an ASP.NET developer who has used Microsoft SQL Server for all my database needs (both at work and for personal projects).
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Why .NET String is immutable? [duplicate]
As we all know, String is immutable. What are the reasons for String being immutable and the introduction of StringBuilder class as mutable?
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Inputting a default image in case the src attribute of an html is not valid?
...body>
</html>
Since the first image doesn't exist, the fallback (the sprites used on this web site*) will display. And if you're using a really old browser that doesn't support object, it will ignore that tag and use the img tag. See caniuse website for compatibility. This element...
“Cloning” row or column vectors
...he result contain a single distinct element each.
– BallpointBen
Apr 13 '18 at 21:11
This should be the accepted answe...
Why doesn't std::queue::pop return value.?
... T pop()
{
auto x = elements[top_position];
// TODO: call destructor for elements[top_position] here
--top_position; // alter queue state here
return x; // calls T(const T&) which may throw
}
If the copy constructor of T throws on return, you ha...
How to break lines at a specific character in Notepad++?
... field, type ],\s*
In the Replace with text field, type ],\n
Click Replace All
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How can I convert a DateTime to the number of seconds since 1970?
...he number of seconds since Jan 1st, 1970. It looks like a DateTime is actually implemented as the number of 'ticks' since Jan 1st, 0001.
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How can I remove a trailing newline?
...; 'test string\n'.rstrip()
'test string'
Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\n\n\r \n\n'.rstrip()
'test string'
To strip only newlines:
>>> 'test string \n \r\n\n\r \...
Format numbers to strings in Python
...}.html'.format(**d)
'http://xxx.yyy.zzz/user/42.html'
Like Python 2.6+, all Python 3 releases (so far) understand how to do both. I shamelessly ripped this stuff straight out of my hardcore Python intro book and the slides for the Intro+Intermediate Python courses I offer from time-to-time. :-)
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