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How to prevent browser page caching in Rails

... Finally figured this out - http://blog.serendeputy.com/posts/how-to-prevent-browsers-from-caching-a-page-in-rails/ in application_controller.rb After Rails 5: class ApplicationController < ActionController::Base before_action :set_cache_headers private def set_c...
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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)

...(variable) name return the value inside the variable name, but what is $(command) supposed to return? Does it return the value after executing the command? In that case, we can use ` to execute the command. ...
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How to Customize the time format for Python logging?

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How to calculate a mod b in Python?

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Update parent scope variable in AngularJS

... but is there a way to update the parent scope variable? So far I have not come across any obvious solutions. 5 Answers ...
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How do I setup a SSL certificate for an express.js server?

...s as well as the Node docs for https.createServer (which is what express recommends to use): var privateKey = fs.readFileSync( 'privatekey.pem' ); var certificate = fs.readFileSync( 'certificate.pem' ); https.createServer({ key: privateKey, cert: certificate }, app).listen(port); Other o...
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Generate a random double in a range

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Difference between -pthread and -lpthread while compiling

... difference between gcc -pthread and gcc -lpthread which is used while compiling multithreaded programs? 3 Answers ...
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How to read file contents into a variable in a batch file?

.... I want to add a check constraint in this file that ensures there is an accomanying release document in a specific folder. ...
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Is there an equivalent to e.PageX position for 'touchstart' event as there is for click event?

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