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Why is Scala's immutable Set not covariant in its type?
...spective. Sets are "built up" from the Zermelo-Fraenkel axioms not reduced by some inclusion function. The reason behind this is Russell's paradox: if anything can be a member of a set, then consider the Set R of sets which are not members of themselves. Then ask the question, is R a member of R?
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What is the fundamental difference between WebSockets and pure TCP?
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By RFC6455, WebSocket needs a handshake in HTTP first and then the protocol upgrades to WebSocket. Most of the browser follow this. I don't know how your client side(browser) will support, if you are using any protocol in ser...
Xcode 4 - detach the console/log window
... tab out into another window (drag it off the tab bar into its own window by just letting it drop outside the current window). Now reform it to your hearts content; it will stay that way. Also don't forget the little controls at the top right of the console window that slide the local variable disp...
How can I read a whole file into a string variable
I have lots of small files, I don't want to read them line by line.
5 Answers
5
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textarea - disable resize on x or y?
I know it's possible to disable the resize of a textarea by using:
2 Answers
2
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Most efficient way to check for DBNull and then assign to a variable?
...t(oRow("Name"), String), sDefault)
Function TryConvert(Of T As Structure)(ByVal obj As Object) As T?
If TypeOf obj Is T Then
Return New T?(DirectCast(obj, T))
Else
Return Nothing
End If
End Function
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Use a LIKE statement on SQL Server XML Datatype
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Beat me to it by 5 seconds. Another possibility is to consider using free text search, if your data is amenable...
– RickNZ
Dec 2 '09 at 13:51
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Disable XML validation in Eclipse
...shows how to exclude certain folders (or files) for XML validation.
Begin by right clicking the root of your Eclipse project. Select the last item: Properties...
(If your browser scales this image very small, right click and open in a new window or tab.)
Eclipse appears to be very sensitive i...
Travel/Hotel API's? [closed]
...ble.
They also offer "deep linking", i.e. you may customize your requests by adding parameters. Then if it sufficient for your purpose (for mine it is not), you don't even need to store their content on your server.
I have also signed for HotelsCombined program:
(link removed as this site doesn'...
p vs puts in Ruby
Is there any difference between p and puts in Ruby?
7 Answers
7
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