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Rails and PostgreSQL: Role postgres does not exist
...e many people said here, run createuser -s USER, but that gave me the same error. This finally worked for me:
$ sudo su
# su postgres
# createuser -s --username=postgres MYUSERNAME
The createuser -s --username=postgres creates a superuser (-s flag) by connecting as postgres (--username=postgres ...
Good way of getting the user's location in Android
...e position in meters.
the Criteria.ACCURACY_HIGH criterion should give you errors below 100m, which is not as good as GPS can be, but matches your needs.
You also need to monitor the status of your location provider, and switch to another provider if it gets unavailable or disabled by the user.
The ...
#include in .h or .c / .cpp?
...reason to put as little as possible in the .h is to avoid in some cases an error because of a loop of inclusion. Example: two classes need one another for their implementations, but not for their declarations. Putting both includes in the .cpps will avoid an error.
– Codoscope
...
ImportError: No module named Crypto.Cipher
...to run app.py (Python 3.3, PyCrypto 2.6) my virtualenv keeps returning the error listed above. My import statement is just from Crypto.Cipher import AES . I looked for duplicates and you might say that there are some, but I tried the solutions (although most are not even solutions) and nothing work...
Using OpenSSL what does “unable to write 'random state'” mean?
...s the openssl command line utility does not abort with a "PRNG not seeded" error message, but complains that it is "unable to write 'random state'". This message refers to the default seeding file (see previous answer). A possible reason is that no default filename is known because neither RANDFILE ...
How to install gem from GitHub source?
...
ERROR: While executing gem ... (NoMethodError) undefined method 'build' for Gem::Package:Module Sounds very cool but I won't be looking into it further. Just wanted to post that it didn't work for me in case someone else...
org.xml.sax.SAXParseException: Content is not allowed in prolog
...r = new DOMParser();
parser.parse("file:C:/temp/abc");
All give the same error message.
Very disappointing bug, because the following trace
javax.servlet.ServletException
at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
...
Caused by: org.xml.sax.SAXParseException: Content is not...
Delete multiple remote branches in git
...s because it's a one liner and I can do a dry run first. Unfortunately, it errors out with this message: $ git branch -r | awk -F/ '/\/APR/{print $2}' | xargs -I {} git push origin :{} error: unable to push to unqualified destination: APR-04-DPH The destination refspec neither matches an existing ...
How to remove jar file from local maven repository which was added with install:install-file?
..., but when it gets to the .jars that I manually installed, it outputs this error message: [ERROR] Failed to execute goal org.apache.maven.plugins:maven-dependency-plugin:2.8:purge-local-repository (default-cli) on project alloy-generator: Failed to refresh project dependencies for: myartifac...
Why does my 'git branch' have no master?
...
@Amber I am getting this error "fatal: master: not a valid SHA1"
– KK_07k11A0585
Nov 28 '15 at 9:46
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