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How to sort the result from string_agg()
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221
With postgres 9.0+ you can write:
select string_agg(product,' | ' order by product) from "tblpr...
format date with moment.js
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613
The 2nd argument to moment() is a parsing format rather than an display format.
For that, you ...
Mixins vs. Traits
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217
Mixins may contain state, (traditional) traits don't.
Mixins use "implicit conflict resolution...
Jackson and generic type reference
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199
This is a well-known problem with Java type erasure: T is just a type variable, and you must i...
Private and protected constructor in Scala
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190
You can declare the default constructor as private/protected by inserting the appropriate keyw...
How to do a safe join pathname in ruby?
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edited Mar 1 '09 at 19:22
answered Feb 28 '09 at 4:33
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Why is $$ returning the same id as the parent process?
...bash 4, you can get the process ID of the child with BASHPID.
~ $ echo $$
17601
~ $ ( echo $$; echo $BASHPID )
17601
17634
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REST response code for invalid data
... either change the Reason Phrase or include a body to explain the error.
412 - Precondition failed is used for conditional requests when using last-modified date and ETags.
403 - Forbidden is used when the server wishes to prevent access to a resource.
The only other choice that is possible is 42...
Java: PrintStream to String?
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193
Use a ByteArrayOutputStream as a buffer:
import java.io.ByteArrayOutputStream;
import java.io...
Will Dart support the use of existing JavaScript libraries?
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edited Dec 8 '13 at 8:24
answered Jan 6 '12 at 5:24
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