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Interfaces vs. abstract classes [duplicate]
...it's to discourage answering duplicate questions (btw, I'm not the one who downvoted you)
– Brann
Apr 14 '09 at 13:34
16
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How to check if a String is numeric in Java
...declaration of my EditText but just in case that get's changed or replaced down the road it's nice to have a simple programmatic check as well.
– jwehrle
Jun 26 '18 at 18:59
a...
Android Studio - How to Change Android SDK Path
...this most-upvoted answer, but it didn't fix the SDK dependency. So, I shut down Studio, deleted android-studio/sdk folder and started Studio again. Then it said that it couldn't find the android-studio/sdk and, therefore, it would use the default sdk (which was selected according to the aforemention...
How can I use Spring Security without sessions?
...ur security context repository implementation?
– Jim Downing
Oct 7 '10 at 14:18
1
class TokenSecu...
The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
I am trying to populate a dropdown list from a database mapped with Linq-2-SQL, using ASP.NET MVC 2, and keep getting this error.
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Delete all Duplicate Rows except for One in MySQL? [duplicate]
...Editor warning: This solution is computationally inefficient and may bring down your connection for a large table.
NB - You need to do this first on a test copy of your table!
When I did it, I found that unless I also included AND n1.id <> n2.id, it deleted every row in the table.
If you ...
How to mock ConfigurationManager.AppSettings with moq
...ten about it some time ago: blog.andreloker.de/post/2008/09/05/… (scroll down to "A Solution" to see how I use Castle DictionaryAdapter)
– Andre Loker
Feb 28 '12 at 17:03
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Advantages and disadvantages of GUID / UUID database keys
...all the database keys had been GUID / UUID values. I've considered going down this path a few times, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
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Explain “claims-based authentication” to a 5-year-old
...ere could be some problems with that. The other option is for you to write down your birthday on a piece of paper to which the bartender approves or disapproves. The third option is to go to the government, get an ID card, and then present the ID to the bartender.
Some may laugh at the idea of just...
How do shift operators work in Java? [duplicate]
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Java defines shift to mask (wrap around) the count down to the 0-31 range, rather than saturate to 32 (if shift by 32 left only zeroes). (using 32bit types for example, obviously.) I assume this decision was made to match the behaviour of the x86 shift & rotate instruct...