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What is mattr_accessor in a Rails module?
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phil pirozhkov
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answered Oct 9 '08 at 1:49
AvdiAvdi
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How do I convert an integer to string as part of a PostgreSQL query?
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Because the number can be up to 15 digits, you'll meed to cast to an 64 bit (8-byte) integer. Try this:
SELECT * FROM table
WHERE myint = mytext::int8
The :: cast operator is historical but convenient. Postgres also conforms to the SQL standard syntax
myint = cast ( mytext as int8)
If ...
EC2 instance types's exact network performance?
... is tiered by instance size, here's a comprehensive answer:
For t2/m3/c3/c4/r3/i2/d2 instances:
t2.nano = ??? (Based on the scaling factors, I'd expect 20-30 MBit/s)
t2.micro = ~70 MBit/s (qiita says 63 MBit/s) - t1.micro gets about ~100 Mbit/s
t2.small = ~125 MBit/s (t2, qiita says 127 MBit/s, ...
How to give System property to my test via Gradle and -D
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answered Jan 28 '14 at 13:17
Jeff StoreyJeff Storey
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Difference between class and type
...ype.
More info here: http://docs.oracle.com/javase/specs/jls/se8/html/jls-4.html
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what is the difference between sendStickyBroadcast and sendBroadcast in Android
... CommonsWareCommonsWare
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6
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Express.js - app.listen vs server.listen
...eating an app using Express.js and starting the app listening on port 1234, for example:
5 Answers
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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
...on.
– Jonathan Leffler
Aug 1 '13 at 4:03
7
Technically, $(echo foo) creates a command substitutio...
What is difference between sjlj vs dwarf vs seh?
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There's a short overview at MinGW-w64 Wiki:
Why doesn't mingw-w64 gcc support Dwarf-2 Exception Handling?
The Dwarf-2 EH implementation for Windows is not designed at all to
work under 64-bit Windows applications. In win32 mode, the exception
unwin...