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Why did Rails4 drop support for “assets” group in the Gemfile

...n bundle exec rake assets:precompile And why? I found this in Guide: By default Rails assumes that assets have been precompiled and will be served as static assets by your web server. (Source: http://edgeguides.rubyonrails.org/asset_pipeline.html#in-production) But many time you have to u...
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Set timeout for ajax (jQuery)

...s timeout to 3 seconds }); You can get see what type of error was thrown by accessing the textStatus parameter of the error: function(jqXHR, textStatus, errorThrown) option. The options are "timeout", "error", "abort", and "parsererror". ...
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Explain the “setUp” and “tearDown” Python methods used in test cases

...f you have a lot of repeated code in your tests, you can make them shorter by moving this code to setUp/tearDown. You might use this for creating test data (e.g. setting up fakes/mocks), or stubbing out functions with fakes. If you're doing integration testing, you can use check environmental pre-...
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In Scala, what exactly does 'val a: A = _' (underscore) mean?

... imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
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Passing multiple values to a single PowerShell script parameter

... imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
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How do I convert a Vector of bytes (u8) to a string

... To convert a slice of bytes to a string slice (assuming a UTF-8 encoding): use std::str; // // pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error> // // Assuming buf: &[u8] // fn main() { let buf = &[0x41u8, 0x41...
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How can I get jquery .val() AFTER keypress event?

...st immediately thereafter. Such a short timer interval (even if rounded up by the browser) will not be noticeable. edit — or you could use "keyup" like everybody else says, though its semantics are different. share ...
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PHP random string generator

... What do you mean by "for more security"? We're already using a secure random number generator. – Scott Arciszewski Apr 17 '17 at 13:49 ...
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Firefox Web Console Disabled?

...orkaround I used to restore console API after it was set to empty function by a script on the page (works in Firefox 46, tested in Firebug and in greasemonkey script): function restoreConsole() { var i = document.createElement('iframe'); i.style.display = 'none'; document.body.appendChi...
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linq where list contains any in list

...keet I always use Contains method for these kind of queries. I was curious by seeing your answer and checked the internal implementation and found that Intersect uses Set. Can you tell me the performance difference between those two methods? – rebornx Feb 17 '1...