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Postgresql: Conditionally unique constraint
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PostgreSQL doesn't define a partial (i.e. conditional) UNIQUE constraint - however, you can cr...
Is it possible to display inline images from html in an Android TextView?
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If you have a look at the documentation for Html.fromHtml(text) you'll see it says:
Any &l...
Solutions for INSERT OR UPDATE on SQL Server
Assume a table structure of MyTable(KEY, datafield1, datafield2...) .
22 Answers
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Collections.emptyList() returns a List?
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Match whole string
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315
Use the start and end delimiters: ^abc$
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Implementing IDisposable correctly
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This would be the correct implementation, although I don't see anything you need to dispose in...
Prevent form submission on Enter key press
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19 Answers
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What does @synchronized() do as a singleton method in objective C?
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It declares a critical section around the code block. In multithreaded code, @synchronized gua...
Differences in auto-unboxing between Java 6 vs Java 7
...reference type can be cast to a primitive type by unboxing conversion (§5.1.8).
The Java 7 JLS also contains a table (table 5.1) of allowed conversions (this table is not included in the Java 5/6 JLS) from reference types to primitives. This explicitly lists casts from Object to primitives as a n...
What is the correct way to represent null XML elements?
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xsi:ni...