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Difference between Lookup() and Dictionary(Of list())
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Two significant differences:
Lookup is immutable. Yay :) (At least, I believe the concrete Lookup class is immutable, and the ILookup interface doesn't provide any mutating members. There could be other mutable implementations, of ...
Fastest way to check a string contain another substring in JavaScript?
...pdate 2011:
It cannot be said with certainty which method is faster. The differences between the browsers is enormous. While in Chrome 10 indexOf seems to be faster, in Safari 5, indexOf is clearly slower than any other method.
You have to see and try for your self. It depends on your needs. For e...
The object cannot be deleted because it was not found in the ObjectStateManager
...going on when deleting child data from a parent - which was called from a different context, outside of a TransactionScope. Moved the parent call inside the scope and same context and my problem was solved.
– dan richardson
Feb 7 '13 at 10:31
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Android layout replacing a view with another view on run time
...ossible to load either option1 or option2 in run time via Java into C? If so, what function do I have to use?
4 Answers...
How to delete all data from solr and hbase
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If you want to clean up Solr index -
you can fire http url -
http://host:port/solr/[core name]/update?stream.body=<delete><query>*:*</query></delete>&commit=true
(replace [core name] with th...
How to use enum values in f:selectItem(s)
...t possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the item that the question have?
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What is the difference between float and double?
I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the d...
Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
I was using an UICollectionView in Swift but I get when I try to change the text of the cell's label.
13 Answers
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What's the difference between and in servlet
...ntext:annotation-config in both applicationContext and servlet, especially if I use different base packages in component-scan tag?
– glaz666
Oct 20 '10 at 13:50
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Fastest way to convert Image to Byte array
...s goal?
No. In order to convert an image to a byte array you have to specify an image format - just as you have to specify an encoding when you convert text to a byte array.
If you're worried about compression artefacts, pick a lossless format. If you're worried about CPU resources, pick a format...