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How do I ALTER a PostgreSQL table and make a column unique?
I have a table in PostgreSQL where the schema looks like this:
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Referencing another schema in Mongoose
if I have two schemas like:
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How to check if a column exists in Pandas
Is there a way to check if a column exists in a Pandas DataFram>me m>?
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vim repeat find next character 'x'
I often navigate in vim by f x to find next occurrence of character 'x',
but overlook that there is a word (or more words) containing 'x' in between the word I want to edit and the beginning cursor position.
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How can I find all matches to a regular expression in Python?
In a program I'm writing I have Python use the re.search() function to find matches in a block of text and print the results. However, the program exits once it finds the first match in the block of text.
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RVM: Uninstalling all gems of a gemset
I have global gems and various gemsets. I want to remove all gems of a gemset. Is there a way do to this, besides uninstalling the gemset?
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Ruby combining an array into one string
In Ruby is there a way to combine all array elem>me m>nts into one string?
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How to get the title of HTML page with JavaScript?
How can I get the title of an HTML page with JavaScript?
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List of Rails Model Types
Does som>me m>one have a complete list of model types that be specified when generating a model scaffolding
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