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How to sort an array of objects by multiple fields?
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@MarkCarpenterJr. Not sure what you mean. my example sorts numeric types correctly. Can you share your implementation as a question and reference me in the comments so I see it? Then I can check.
– chriskelly
Nov 27 '17 at...
jQuery scroll to element
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@TimothyPerez: I am sure that means something permissive for commercial use? I am sure that there are many people that would like to just use that snippet of code anywhere in their websites and that would help them sleep that little bit easier at night? M...
Update Row if it Exists Else Insert Logic with Entity Framework
...t should live as short as possible but in case of winforms or wpf this can mean that context is living as long as presenter. The linked question contains link to msdn article about using nhibernate session in winforms. The same approach can be used for context.
– Ladislav Mrnka...
Rails Object to hash
...t; "My name is 'test'",
:post_number => "Post #20"
}
This of course means you have to explicitly specify which attributes must appear.
Hope this helps.
EDIT :
Also you can check the Hashifiable gem.
share
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Rails detect if request was AJAX
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Truthy meaning that when used in a "boolean" context, you have to treat them not as not booleans, but ones that will be cast to bool. Above env['HTTP_X_REQUESTED_WITH'] =~ /XMLHttpRequest/ returns 0 not false. And 0 is actually trut...
android: move a view on touch move (ACTION_MOVE)
...ine but Is there any way to restrict the move from outside the screen that means should move only inside screen boundary..
– Daud Arfin
Oct 19 '13 at 4:34
2
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Android: Go back to previous activity
... are stored in the activity stack. Going back to a previous activity could mean two things.
You opened the new activity from another activity with startActivityForResult. In that case you can just call the finishActivity() function from your code and it'll take you back to the previous activity.
K...
Is there a cross-browser onload event when clicking the back button?
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@Greg: you mean as a developer controlling the page? Fire off an ajax request from a 'pageshow' listener.
– Nickolay
Sep 2 '10 at 19:56
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Android RatingBar change star colors [closed]
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What exactly does PorterDuff.Mode.SRC_ATOP mean or do?
– Zapnologica
Jan 23 '15 at 19:08
5
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What does @: (at symbol colon) mean in a Makefile?
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It means "don't echo this command on the output." So this rule is saying "execute the shell command : and don't echo the output.
Of course the shell command : is a no-op, so this is saying "do nothing, and don't tell."
Why?
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