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Fade/dissolve when changing UIImageView's image
...ating two UIImageViews , it seems logical to simply change the image of one view. If I do that, is there anyway of having a fade/cross dissolve between the two images rather than an instant switch?
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
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@user3152527: There's a sizable difference - one is considered an object, which means you can call methods and interact with it in abstract data structures, like List. The other is a primitive, which is just a raw value.
– Makoto
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Simple explanation of MapReduce?
... able to take 2 items, compute something and "reduce" that 2 items to just one single value, thus the program could reduce each pair until we have a single value.
the execution would follows:
result = 0
7 : result = result + 7 = 0 + 7 = 7
8 : result = result + 8 = 7 + 8 = 15
9 : result = result + ...
Foreign Key to multiple tables
...oup Ids and User Ids, so the foreign key only needs to be on the PartyId alone. Any queries written would still need to know the tables from the PartyTypeName anyway.
– Arin Taylor
Sep 18 '16 at 13:53
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How do I enable TODO/FIXME/XXX task tags in Eclipse?
...ng those tags for as long as I've been using Eclipse and I have never seen one of them appear in the task list. Can anyone indicate how to enable this feature? I see no preferences option anywhere that says anything to the effect of 'Let my source code tags appear in the task list'. It would be a ni...
Why is Dictionary preferred over Hashtable in C#?
...u also listed the similarities to lessen the questions that might comes to one's mind
– mkb
Mar 25 '16 at 12:23
stacko...
How to state in requirements.txt a direct github source
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The docs link was not working for me; I've used an older one.
– Sergey Orshanskiy
Dec 9 '13 at 0:11
43
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Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
... the same since both provide the same information to the query optimizer. One difference is that a CTE used more than once could be easily identified and calculated once. The results could then be stored and read multiple times. Unfortunately, SQL Server does not seem to take advantage of this ba...
Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
I found this in one of my libraries this morning:
7 Answers
7
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Good or bad practice for Dialogs in wpf with MVVM?
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This is a good approach and I used similar ones in the past. Go for it!
One minor thing I'd definitely do is make the event receive a boolean for when you need to set "false" in the DialogResult.
event EventHandler<RequestCloseEventArgs> RequestCloseDialog;
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