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PG::ConnectionBad - could not connect to server: Connection refused
...file "postmaster.pid" already exists
HINT: Is another postmaster (PID 347) running in data directory "/usr/local/var/postgres"?
If so, rm postmaster.pid
Restart your server. On a mac using launchctl (with homebrew) the following commands will restart the server.
launchctl unload homebrew.mxcl...
Ruby on Rails: Where to define global constants?
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answered Nov 5 '10 at 23:27
Holger JustHolger Just
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How to set the context path of a web application in Tomcat 7.0
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kosa
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answered Oct 9 '11 at 22:20
PaaskePaaske
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How to prevent that the password to decrypt the private key has to be entered every time when using
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Truncate number to two decimal places without rounding
Suppose I have a value of 15.7784514, I want to display it 15.77 with no rounding.
36 Answers
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End of support for python 2.7?
Is there a known date/timeframe when python 2.7 will not be supported any more in favor of python 3?
9 Answers
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How can I pad a value with leading zeros?
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72 Answers
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Flask SQLAlchemy query, specify column names
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You can use the with_entities() method to restrict which columns you'd like to return in the res...
Preserve Line Breaks From TextArea When Writing To MySQL
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