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Why is there a difference in checking null against a value in VB.NET and C#?

...r the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the additional advantage of mirroring the behaviour of NULL in (most if not all) SQL databases. This is also a more...
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NERDTree reload new files

... Sheharyar 61.1k1616 gold badges141141 silver badges189189 bronze badges answered Jan 9 '12 at 20:06 romainlromainl ...
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emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?

...al, it is used in the printed representation along with the left angle bracket (<) to indicate that the object printed is a description (but cannot be read). For example: #<buffer foo.txt> It is also used in constructs by the reader to represent circular structures. See the docs for Re...
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Multiline syntax for piping a heredoc; is this portable?

...ine containing only the delimiter and a <newline>, with no <blank> characters in between. Then the next here-document starts, if there is one. And includes this example of multiple "here-documents" in the same line: cat <<eof1; cat <<eof2 Hi, eof1 Helene. eof2 So the...
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Asynchronously wait for Task to complete with timeout

I want to wait for a Task<T> to complete with some special rules: If it hasn't completed after X milliseconds, I want to display a message to the user. And if it hasn't completed after Y milliseconds, I want to automatically request cancellation . ...
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How to align a div to the top of its parent but keeping its inline-block behaviour?

...cal-align CSS property. #box1 { width: 50px; height: 50px; background: #999; display: inline-block; vertical-align: top; /* here */ } Apply it to #box3 too. share | improve th...
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creating a random number using MYSQL

I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query. 6 A...
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Use NUnit Assert.Throws method or ExpectedException attribute?

... chue xchue x 17.6k66 gold badges5151 silver badges6767 bronze badges ...
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How to get the class of the clicked element?

I can't figure it out how to get the class value of the clicked element. 6 Answers 6...
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CURL alternative in Python

... manager.add_password(None, 'https://app.streamsend.com/emails', 'login', 'key') handler = urllib2.HTTPBasicAuthHandler(manager) director = urllib2.OpenerDirector() director.add_handler(handler) req = urllib2.Request('https://app.streamsend.com/emails', headers = {'Accept' : 'application/xml'}) r...