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What are paramorphisms?
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Can you get DB username, pw, database name in Rails?
...opment or production.
test:
database: app_test
<<: *mysql
ref: http://effectif.com/articles/database-yml-should-be-checked-in
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Return all enumerables with yield return at once; without looping through
...XML:
<?xml version="1.0" encoding="utf-8"?>
<CodeSnippets xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
<CodeSnippet Format="1.0.0">
<Header>
<Author>John Gietzen</Author>
<Description>yield! expansion for C#</Desc...
Passing just a type as a parameter in C#
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Why is auto_ptr being deprecated?
...they had to let go of auto_ptr, instead of modifying it.
From the link : http://www.cplusplus.com/reference/memory/unique_ptr/operator=/
Kind of assignments supported by unqiue_ptr
move assignment (1)
assign null pointer (2)
type-cast assignment (3)
copy assignment (deleted!) (4)
Fr...
C++ performance challenge: integer to std::string conversion
... 12.812 s
Here are some results and a testing/timing framework on ideone
http://ideone.com/XZRqp
Note that ideone is a 32-bit environment. Both of my algorithms suffer from that, but hopman_fast is at least still competetive.
Note that for those the two or so that don't construct a string I adde...
SQL selecting rows by most recent date
... is the answer to "SQL selecting rows by most recent date".
Modified from http://wiki.lessthandot.com/index.php/Returning_The_Maximum_Value_For_A_Row
SELECT t.chargeId, t.chargeType, t.serviceMonth FROM(
SELECT chargeId,MAX(serviceMonth) AS serviceMonth
FROM invoice
GROUP BY chargeId)...
Unicode Processing in C++
...us C++ standards, the current C++11 standard has built in Unicode support: http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2011/n3242.pdf
So the truly best practice for Unicode processing in C++ would be to use the built in facilities for it. That isn't always a possibility with older code bases...
How to fluently build JSON in Java?
...
I recently created a library for creating Gson objects fluently:
http://jglue.org/fluent-json/
It works like this:
JsonObject jsonObject = JsonBuilderFactory.buildObject() //Create a new builder for an object
.addNull("nullKey") //1. Add a null to the objec...
Compute a confidence interval from sample data
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