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Remove duplicate lines without sorting [duplicate]
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The UNIX Bash Scripting blog suggests:
awk '!x[$0]++'
This command is telling awk which lines to print. The variable $0 holds the entire contents of a line and square brackets are array access. So, for each line of the file, the node of the array x is incremented and the line printed if ...
angular js unknown provider
...e mongolab example to fit my own REST API. Now I'm running into this error and I am not sure what I am doing wrong:
30 Answ...
“/usr/bin/ld: cannot find -lz”
I am trying to compile Android source code under Ubuntu 10.04. I get an error saying,
11 Answers
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How can I find the current OS in Python? [duplicate]
...t the platform. sys.platform will distinguish between linux, other unixes, and OS X, while os.name is "posix" for all of them.
For much more detailed information, use the platform module. This has cross-platform functions that will give you information on the machine architecture, OS and OS version...
How to update a record using sequelize for node?
I'm creating a RESTful API with NodeJS, express, express-resource, and Sequelize that is used to manage datasets stored in a MySQL database.
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How do I step out of a loop with Ruby Pry?
...my Rails application. I set binding.pry inside a loop in my model to try and debug a problem. For example:
9 Answers
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Can I change the Android startActivity() transition animation?
I am starting an activity and would rather have a alpha fade-in for startActivity() , and a fade-out for the finish() . How can I go about this in the Android SDK?
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How can I create a copy of an Oracle table without copying the data?
...constraints may not be copied
materialized view logs
This also does not handle partitions
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stdlib and colored output in C
...which requires colored output. How can I make my output colored like emacs and bash do?
7 Answers
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How to get the parent dir location
...with dirname or joining or any of that. Just treat __file__ as a directory and start climbing:
# climb to __file__'s parent's parent:
os.path.abspath(__file__ + "/../../")
That's far less convoluted than os.path.abspath(os.path.join(os.path.dirname(__file__),"..")) and about as manageable as dirn...