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generate model using user:references vs user_id:integer

... how does rails know that user_id is a foreign key referencing user? Rails itself does not know that user_id is a foreign key referencing user. In the first command rails generate model Micropost user_id:integer it only adds a column user_i...
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How to compare DateTime in C#?

... Your answer provides a way to see what the difference is instead of just knowing that the date is before or after. Of course his answer is better for the OP, but yours is better for some people who got here from google (self included). – levininja Apr 14 '17 ...
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Fastest way to convert JavaScript NodeList to Array?

... They Are a-Changin' @kangax (IE 9 preview) Array.prototype.slice can now convert certain host objects (e.g. NodeList’s) to arrays — something that majority of modern browsers have been able to do for quite a while. Example: Array.prototype.slice.call(document.childNodes); ...
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Aborting a shell script if any command returns a non-zero value?

...ange: #!/bin/bash set -e ./configure | tee configure.log make ... and now it does not work. This is explained here, and a workaround (Bash only) is provided: #!/bin/bash set -e set -o pipefail ./configure | tee configure.log make ...
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Why can't we have static method in a (non-static) inner class?

... I know an inner class is associated with an instance of its outer class and I know that it's kinda useless that we become able to declare static members within an inner class but I am still asking why not an inner class can decl...
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How to close Android application?

...as originally posted. Since the current AP then was 7 and the current API now is 19, there is probably another way to do this now. – Danny Remington - OMS May 6 '14 at 16:36 ...
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How to reload/refresh an element(image) in jQuery

... It sounds like it's your browser caching the image (which I now notice you wrote in your question). You can force the browser to reload the image by passing an extra variable like so: d = new Date(); $("#myimg").attr("src", "/myimg.jpg?"+d.getTime()); ...
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

...ch is using about 400 MB or more RAM will also solve the problem. It is unknowingly reserving the process. – viper Jun 10 '16 at 7:00  |  show...
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Best way to format integer as string with leading zeros? [duplicate]

...answered Apr 9 '09 at 9:23 unbeknownunbeknown 1 ...
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Is there an interactive way to learn Vim? [closed]

...that didn't involve a wall of text, or scrolling through vimtutor without knowing the commands to do so. I wondered if anything else existed for such a purpose. ...