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PG undefinedtable error relation users does not exist
...use the development environment. Then try to reset database with the following:
rake db:reset
The rake db:reset task will drop the database and set it up again. This is functionally equivalent to rake db:drop db:setup.
This is not the same as running all the migrations. It will only use t...
An established connection was aborted by the software in your host machine
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This problem can be simply solved by closing Eclipse and restarting it. Eclipse sometimes fails to establish a connection with the Emulator, so this can happen in some cases.
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iOS Remote Debugging
With the recent release of Chrome for iOS, I was wondering how do you enable remote debugging for Chrome iOS?
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Does Python have a ternary conditional operator?
... not have a ternary conditional operator, is it possible to simulate one using other language constructs?
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How do you make Vim unhighlight what you searched for? [duplicate]
I search for "nurple" in a file. I found it, great. But now, every occurrence of "nurple" is rendered in sick black on yellow. Forever.
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How to get only the last part of a path in Python?
In Python, suppose I have a path like this:
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How to convert Set to String[]?
I need to get a String[] out of a Set<String> , but I don't know how to do it. The following fails:
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How to delete all data from solr and hbase
How do I delete all data from solr by command? We are using solr with lily and hbase .
18 Answers
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How to get the cuda version?
Is there any quick command or script to check for the version of CUDA installed?
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What are the differences and similarities between ffmpeg, libav, and avconv?
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Confusing messages
These messages are rather misleading and understandably a source of confusion. Older Ubuntu versions used Libav which is a fork of the FFmpeg project. FFmpeg returned in Ubuntu 15.04 "Vivid Vervet".
The fork wa...