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Convert data.frame column format from character to factor
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Tyler RinkerTyler Rinker
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Java - JPA - @Version annotation
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Pascal ThiventPascal Thivent
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How do I add a submodule to a sub-directory?
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451
You go into ~/.janus and run:
git submodule add <git@github ...> snipmate-snippets/snip...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
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244
You need to add this to your environment.rb
config.action_mailer.default_url_options = { :ho...
How to frame two for loops in list comprehension python
...red Aug 31 '13 at 18:28
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How to check if a table exists in a given schema
Postgres 8.4 and greater databases contain common tables in public schema and company specific tables in company schema.
company schema names always start with 'company' and end with the company number.
So there may be schemas like:
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AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
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468
I got the same error message, when I did following:
created a bucket - it went by default to...
What does JVM flag CMSClassUnloadingEnabled actually do?
...nks to Sam Hasler). See this answer: https://stackoverflow.com/a/3720052/2541
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What does “Content-type: application/json; charset=utf-8” really mean?
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The header just denotes what the content is encoded in. It is not necessarily possible to deduce...