rails caching problem with css - css

I have two different css files... style.css and style_main.css
both are used separately in different layouts for the same application. In development mode everything works fine, but when in production mode, caching happens and both css files are loaded as all.css?xxxxxxx but unfortunately all.css is made from style.css and does not update with the change in layout. how do i prevent this???

When you deploy the code to the production server, you are probably also deploying the all.css file. Have you tried excluding this file from your version control system? When you update style.css etc on your development machine, commit the changes and then redeploy, rails will re-generate all.css if it finds that it isn't already in the public folder.

Related

How to edit a scss file in django-cms?

I have been searching all over for information on where django-cms is storing the CSS and SCSS data for my site, which I am working on localhost. When I go to edit the CSS file directly, it has no effect, so I'm wondering what needs to be done to edit those CSS files. Obviously they have been loaded somewhere. How can they be reloaded, or in general what is the best practice for editing the CSS files?
Apparently I had to do this with both the style.scss and style.css files, which seem to have the same css classes. But even after editing both files, I had to refresh the site on my localhost a few times before I could see the changes. Frustrating, but it does work to edit the files directly in the static folder.
#Lawrence DeSouza At first you should mention which plugins and style frameworks you use.
If you are using some sort of a frontend framework like Bootstrap 4 your should compile its css from scss separately. You can do it right on the dev server in a separate directory outside your project dir and cloned from the official repository. Normally you would only need to change variables in "/bootstrap-4.x.y/scss/_variables.scss" file. On the next step you would compile your *.css files with "npm run dist" command and then copy compiled files from "/bootstrap-4.x.y/dist" directory to your "/projectname/appname/static/css" directory. The process is well-documented here. After copying changed files to your "static" folder you should run "python manage.py collectstatic" and refresh the page. If it's not working after refreshing the page in a browser (normally it should work) - restart the server. I am a bit biased towards Bootstrap, but the logic should be the same in your case.

CSS/JS bundle in single file in mvc when publish with release option

I have created MVC application. When I publish the application on Azure with release option, all css and js file load in a single bundle in page. (Open view source of page then displays a single link for css).
When I publish a site with Debug option in publish profile then all CSS load individual.
My problem is when publish site with release option theme not load correctly, but with debug option theme loads correctly. I want to publish my application with Release option only. If anyone face this issue before and get any solution then please help me.
I have experienced this before when using bundling.
Say for instance your css file is located at: /Content/css/css.css
This css file then makes a reference to another file, or for example an image at /Content/images/image1.png via url('../images/image1.png').
You then set up your css bundle # /bundles/css.
All appears great in debug mode. However, when you set <compilation debug="false" .... in your web.config, suddenly the references made in the css file breaks. If you open your console in Firebug/Chrome dev tools and check the network tabs, you'll see resources failing to load, from an incorrect URL.
This happens because when debug mode is off, all the files are bundled and minified like they would be in production. In this case, the CSS file would be bundled and served from the URL /bundles/css. This results in the relative URL reference breaking. Where it once referenced /Content/images/image1.png, it now references /images/image1.png.
You have a few options to solve this:
Serve your bundled css files from the same folder as the actual css files. eg. /Content/css/cssbundle. This can become very tedious quickly.
Change all relative references in your css files to absolute references. eg. ../images/image1.png would become /Content/images/image1.png. This does mean you can't use a lot third party CSS bundled out of the box, you would have to check/change relative references if you wanted to bundle them.
Use the BundleTransformer nuget package. It automatically transforms relative urls to absolute ones during the bundling process.
The main differences of StyleTransformer and ScriptTransformer classes from a standard implementations: ability to exclude unnecessary assets when adding assets from a directory, does not produce the re-minification of pre-minified assets, support automatic transformation of relative paths to absolute in CSS-code (by using UrlRewritingCssPostProcessor), etc.
I personally recommend 3 as it is the easiest to maintain long term.

The changes not updating on server

I have build MVC 5 application which works fine when running via VS. When I publish it to the server first time it also works. Now I have made few correction to my css file and publish whole project again but website still see the old css file. I have removed all files from the server and tried few more times but it is still the same. When I check the css file on the server, the changes are inside the file.
I think it is related to MVC bundling as when I check the source it says that is accessing different file which is not even located on the server:
<link href="/Content/cssmain?v=Ikj7NnMg3q9kTHR7ynWOJDQFGMZl3mtVMi_2EkOJxc41" rel="stylesheet"/>
How can I force VS to minificate my css file again?
I've tried cleaning, rebuilding but no luck
Edit:
My bundle set up look like below and all files are located on the server in Content folder.
bundles.Add(new StyleBundle("~/Content/cssmain").Include(
"~/Content/bootstrap.css",
"~/Content/site.css",
"~/Content/ilightbox.css",
"~/Content/bannerscollection_zoominout.css"));
Many thanks
I think it is related to MVC bundling as when I check the source it says that is accessing different file which is not even located on the server:
CDN location? External Css lib (yours or 3rd party)? unsure what you meant by "not located on server"?
Yup, it does (look like ASP.net Bundling in action) - check your Global.asax, App_Start/BundleConfig or _AppStart and see if the bundle configuration setup point to/reference the "correct" locations for your css (and or script).
Is it just you experiencing getting the old css file loaded? Or anyone who views the site?

Realtime css / scss edition with meteor avoiding server restart

While building large applications with meteor, we do face the regular problem of editing the stylesheets files. Once a file is edited, the whole application reloads which takes time each time a little change is made. A large project implicitly implies complex css files. For this reason I chosen to use the sass in order to structure them and be more efficient in the development processing. What I'm looking for is a workflow where I can change the .scss files in an editor and watch the result in real time in my meteor app.
Here is what you need (it looks fastidious but do not be afraid, it worth it):
Setup your project to externalise .css files
Meteor compiles all the .css files into one monolithic one, most of the css editors are not expecting this behaviour. For the development phase, I do recommend to use the traditional approach of including the stylesheet to the html page itself. to do so:
Create a public folder in the root of your meteor project: meteorProject/public
Add a css file into this folder: meteorProject/public/style.css
Import the stylesheet in your main html code <link rel="stylesheet" type="text/css" href="/style.css" />
What you did ? You created a public repository accessible through the path localhost:3000/ then you added the stylesheet style.css to this repository, that one became available through the relative path /style.css. By using this technique, meteor will not compile neither include by itself the stylesheet to your project, you just load it manually in the regular way using the link tag. Now it is time to configure an editor.
Now that the styles are imported the way they were 10 year ago, you can use compatible tools which will override the style to allow live editing. A simple one but only for css is the well known Espresso (formerly CSSEdit), open the page and override the styles… but that one is currently not supporting .scss files.
Editing .scss files in realtime with meteor:
To achieve this, you will need to use Sublime Text 2 or 3 as the editor, you can get it here: http://www.sublimetext.com/3 it is not free but there is no feature nor time restriction. So if you continue using it, just buy it to support the developers team.
You will need the awesome tool to allow the live edition which is takana, get it here: https://github.com/mechio/takana
That takana is freaking awesome! the concept is the following: Once installed and ran it will create a server interacting with the sublimetext editor, then you are requested to add a js snippet to your code so that the browser will get connected with the takana server and reload the .css or .scss files in realtime without having to reboot meteor.
To setup the meteor project with takana just do the following:
open the terminal
sudo npm install -g takana (enter your password if requested)
start takana in another terminal by providing it the absolute path of the meteorProject/public folder created above is might look something like: takana /Users/aUser/meteorProject/public
Add to your main html page the js snippet <script type="text/javascript" src="http://localhost:48626/takana.js"></script>
You are all set, now to use it
Start your meteor project in a second terminal. command meteor from the right path…
Open any browser to your meteor page i.e. probably http://localhost:3000
Open sublimetext, try editing your style.css file, the css changes are automatically displayed on the browser page without saving anything.
This is also working with .scss file. Just rename the style.css to style.css.scss and edit it within sublime text. Here the magic happen, you are editing a scss file with live result on a meteor application without having to reload anything.
Once you are satisfied with the result you can either compile the .scss to a .css file and add it the regular way to the project, or use the meteor .scss package which will do this for you at each restart. Note: Don't forget to remove the js and style snippet one to your code once in production.
Last but not least: you can open the project in several browsers and see them be refreshed in live while you edit the file in SublimeText, also it worked fine with Safari, FF but for some reasons I had to use "Google Chrome Canary" instead of "Chrome". Please comment if you made it work on other browsers such as IE, Opera or even if it worked with the regular "Chrome" on your computer.

Why does rails remember deleted css?

For some reason, unknown to me, I am forced to precompile my assets when I deploy to Heroku. After I locally precompile and deploy, I obviously go back to changing my site. I have come across a problem where Rails "remembers" css rules that I have precompiled when I try to change them in my app/assets folder. I thought this might be because there is a new assets folder in public/assets and these styles might take precedence. I removed this folder and the problem still persisted. I can add css styles but I can not delete/overide css styles that had been previously precompiled. I searched these forums further and found CSS assets simply stopped to reflect any change. I tried it. However it has not fixed the problem. The only time I can get my css changes to apply is after I first change the style in my app/assets folder, then I precompile my assets locally, then only after I push to git AND deploy to Heroku will my changes reflect locally.
I would post code but I'm not sure what code would be relevant. Since what I'm talking about is a simple "border: 1px solid black;" style.
I think it is worth mentioning that after I deploy to heroku everything always works as intended.
Thank you for any help you might be able to give me.
Clean out your assets before you precompile anew:
rake assets:clean
otherwise your local machine may use the existing precompiled assets, rather than the new (changed) assets.

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