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How can I resize an image dynamically with CSS as the browser width/height changes?

...spect ratios: img { width: 100%; height: auto; } <img src="https://www.petmd.com/sites/default/files/petmd-cat-happy-10.jpg" alt="cat"> So far not really interesting, but what if we would like to change the cats width to be the maximum of 50% of the viewport? img { ...
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CSRF Token necessary when using Stateless(= Sessionless) Authentication?

...found some information about CSRF + using no cookies for authentication: https://auth0.com/blog/2014/01/07/angularjs-authentication-with-cookies-vs-token/ "since you are not relying on cookies, you don't need to protect against cross site requests" http://angular-tips.com/blog/2014/05/json-web-tok...
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Sass negative variable value?

...ke the following example: margin: 0 -#{$pad} 20px -#{$pad}; An example: https://www.sassmeister.com/gist/c9c0208ada0eb1fdd63ae47830917293 share | improve this answer | fol...
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How to check for an active Internet connection on iOS or macOS?

...you'll freeze up your app. Swift 1) Install via CocoaPods or Carthage: https://github.com/ashleymills/Reachability.swift 2) Test reachability via closures let reachability = Reachability()! reachability.whenReachable = { reachability in if reachability.connection == .wifi { print(...
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Run a callback only if an attribute has changed in Rails

... # ... end end The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81 Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html Here is the summary I made...
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.htaccess rewrite to redirect root URL to subdirectory

... This one works perfectly. Also, it covers both http and https. – Sayem Shafayet May 17 '15 at 15:18 4 ...
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Change how fast “title” attribute's tooltip appears

... TippyJS has a billion customization options. https://atomiks.github.io/tippyjs https://github.com/atomiks/tippyjs share | improve this answer | ...
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Getting the location from an IP address [duplicate]

...u can also use it client-side. Here's a simple jQuery example: $.get("https://ipinfo.io/json", function (response) { $("#ip").html("IP: " + response.ip); $("#address").html("Location: " + response.city + ", " + response.region); $("#details").html(JSON.stringify(response, null, 4...
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.htaccess redirect all pages to new domain

... RewriteCond %{HTTP_HOST} !^YOURDOMAIN\.example$ [NC] RewriteRule ^/(.*)$ https://YOURDOMAIN.example/$1 [R=301,L] RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> ...
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How to install latest version of git on CentOS 7.x/6.x

... the pgp key isn't available via https, can anyone else verify it? – user3338098 Mar 15 '19 at 19:11  |  ...