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How to configure postgresql for the first time?

...th encrypted password 'xxxxxxx'; Edit the pg_hba.conf file: sudo vim /etc/postgresql/9.1/main/pg_hba.conf and change "peer" to "md5" on the line concerning postgres: local      all     postgres     peer md5 To know what version of postgresql you are running, look for the...
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SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

... that is trying to verify the SSL certification: SSL_CERT_FILE=/opt/local/etc/certs/cacert.pem rails generate jquery:install. In your case, you want to either set this as an environment variable somewhere the server picks it up or add something like ENV['SSL_CERT_FILE'] = /path/to/your/new/cacert.p...
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Is it possible to make abstract classes in Python?

...nitions of those methods: >>> Abstract() Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: Can't instantiate abstract class Abstract with abstract methods foo >>> class StillAbstract(Abstract): ... pass ... >>> StillAbstr...
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How to create an android app using HTML 5

...pp to run seamingly "standalone" and without the browser's navigation bars etc. share | improve this answer | follow | ...
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Running single test from unittest.TestCase via command line

... Just noticed that this works only if the method is called "test*", so unfortunately it cannot be used to occasionally run test that is "disabled" by rename – Alois Mahdal Apr 15 '13 at 12:29 ...
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Verifying signed git commits?

...ate a signature made by an expired key, a signature made by a revoked key, etc. New output letters have been assigned to express them. According to gpg2's doc/DETAILS: For each signature only one of the codes GOODSIG, BADSIG, EXPSIG, EXPKEYSIG, REVKEYSIG or ERRSIG will be emitted. ...
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Creating a singleton in Python

...mple implementation: class Singleton(type): _instances = {} def __call__(cls, *args, **kwargs): if cls not in cls._instances: cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs) return cls._instances[cls] class Logger(object): __meta...
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CSS background-image - What is the correct usage?

...e from your css file it can be {background-image: url(your image.png/jpg etc);} share | improve this answer | follow | ...
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How to run an EXE file in PowerShell with parameters with spaces and quotes

...her methods like using the Call Operator (&), Invoke-Expression cmdlet etc. But they are considered unsafe. Microsoft recommends using Start-Process. Method 1 A simple example Start-Process -NoNewWindow -FilePath "C:\wamp64\bin\mysql\mysql5.7.19\bin\mysql" -ArgumentList "-u root","-proot","-h l...
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How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?

...essages when AppArmor blocks the writes/accesses. What you can do is edit /etc/apparmor.d/usr.sbin.mysqld and add /data/ and /data/* near the bottom like so: ... /usr/sbin/mysqld { ... /var/log/mysql/ r, /var/log/mysql/* rw, /var/run/mysqld/mysqld.pid w, /var/run/my...