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Best way to test if a row exists in a MySQL table
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Chris ThompsonChris Thompson
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How can I start PostgreSQL server on Mac OS X?
... in pg_hba.conf:
# IPv4 local connections:
host all all 127.0.0.1/32 trust
Check the listen_addresses and port in postgresql.conf:
egrep 'listen|port' /usr/local/var/postgres/postgresql.conf
#listen_addresses = 'localhost' # What IP address(es) to listen on;
#port = 5432 ...
Mapping over values in a python dictionary
...ijn Pieters♦Martijn Pieters
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How to “crop” a rectangular image into a square with CSS?
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Peter Konga-KamauPeter Konga-Kamau
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Calculating text width
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– Ilia Rostovtsev
May 8 '14 at 18:32
Fantastico! Simple and clean.
– Carey Estes
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How can I extract audio from video with ffmpeg?
...results in average bitrates in the upper part of the sane CBR range (where 320 kbit/s is the maximum, probably a bit beyond the point at which lossless compression becomes more appropriate).
– Evgeni Sergeev
Sep 15 '16 at 8:32
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Is there a way to run Python on Android?
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JohnMuddJohnMudd
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PG::ConnectionBad - could not connect to server: Connection refused
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32 Answers
32
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How do I specify the exit code of a console application in .NET?
...ilePathBad = 4,
PasswordMissing = 8,
SignFailed = 16,
UnknownError = 32
}
Then
(ExitCodes.SignFailed | ExitCodes.UnknownError)
would be 16 + 32. :)
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Strings are objects in Java, so why don't we use 'new' to create them?
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Strings are "special" objects in Java. The Java designers wisely decided that Strings are used ...