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How to prevent browser page caching in Rails

...nse.headers["Pragma"] = "no-cache" response.headers["Expires"] = "Mon, 01 Jan 1990 00:00:00 GMT" end end Rails 4 and older versions: class ApplicationController < ActionController::Base before_filter :set_cache_headers private def set_cache_headers response.headers["Cache-Co...
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How do I verify/check/test/validate my SSH passphrase?

... | edited Jun 6 at 21:40 Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges ...
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Accessing dict_keys element by index in Python3

... 'world'} >>> list(test) ['foo', 'hello'] >>> list(test)[0] 'foo' share | improve this answer | follow | ...
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Error in : object of type 'closure' is not subsettable

... 120 In general this error message means that you have tried to use indexing on a function. You can ...
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Right query to get the current number of connections in a PostgreSQL DB

...ed Jan 13 '14 at 1:34 informatik01 14.7k88 gold badges6666 silver badges100100 bronze badges answered Mar 11 '11 at 8:52 ...
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Convert String to Uri

... answered Aug 15 '10 at 12:48 cchenesonccheneson 45.3k88 gold badges5656 silver badges6767 bronze badges ...
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Clear icon inside input text

...ch" to your input The support is pretty decent but will not work in IE<10 <input type="search"> Clearable input for old browsers If you need IE9 support here are some workarounds Using a standard <input type="text"> and some HTML elements: /** * Clearable text ...
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iOS forces rounded corners and glare on inputs

...eing in place. Reset with the following: input { -webkit-border-radius:0; border-radius:0; } This can be extended to apply to all webkit styled form components such as input, select, button or textarea. In reference to the original question, you wouldn't use the value 'none' when clearing ...
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Check if value is in select list with JQuery

... 180 Use the Attribute Equals Selector var thevalue = 'foo'; var exists = 0 != $('#select-box option...
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MySQL stored procedure vs function, which would I use when?

... 105 You can't mix in stored procedures with ordinary SQL, whilst with stored function you can. e.g...