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How to delete migration files in Rails 3

...reat reference for migrations is: http://guides.rubyonrails.org/migrations.html share | improve this answer | follow | ...
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After installation of Gulp: “no command 'gulp' found”

... symbolic link ("alias" or "shortcut"). See linuxcommand.org/man_pages/ln1.html – defines Jul 28 '16 at 13:28 still no...
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ReactJS: Modeling Bi-Directional Infinite Scrolling

... have a look at http://adazzle.github.io/react-data-grid/index.html# This looks like a powerful and performant datagrid with Excel-like features and lazy loading/optimized rendering (for millions of rows) with rich editing features (MIT licenced). Not yet tried in our project but will do...
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'IF' in 'SELECT' statement - choose output value based on column values

...report See http://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html. Additionally, you could handle when the condition is null. In the case of a null amount: SELECT id, IF(type = 'P', IFNULL(amount,0), IFNULL(amount,0) * -1) as amount FROM report The part IFNULL(amount,0) mea...
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Converting Epoch time into the datetime

... see docs.python.org/2/library/time.html#time.strftime for more info in the format string – georg Jul 27 '13 at 21:01 ...
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How to get current formatted date dd/mm/yyyy in Javascript and append it to an input [duplicate]

I would like to add a current date to a hidden HTML tag so that it can be sent to the server: 7 Answers ...
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Ruby's ||= (or equals) in JavaScript?

...ttp://www.rubyinside.com/what-rubys-double-pipe-or-equals-really-does-5488.html share | improve this answer | follow | ...
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How to go back in Eclipse?

...onf ( it does in mine ) apple.com/macosx/what-is-macosx/apps-and-utilities.html#spaces – OscarRyz Jun 23 '10 at 0:10 h...
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CSS center display inline block?

...xt-centering to all child components. Don't do it. – html_programmer Jun 16 '19 at 22:06 add a comment  |  ...
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How to implement the Java comparable interface?

...p://javarevisited.blogspot.com/2011/11/how-to-override-compareto-method-in.html#ixzz4B4EMGha3 share | improve this answer | follow | ...