on the submit button in code editor, create a submit action and use the guide bridge api to perform your logic.AEM 6.0 Forms Help | Form Bridge APIs for HTML5 forms

Lets say you are pushing leads from AEM to salesforce. so for dev and other lower environments, the url to post lead to salesforce will be like:https://sandbox.saleforce.com/abc/xyzbut for prod it will be https://your_company.salesforce.com/abc/xyzyou will create configs for the above urlsThe corres...

Have you configured Image magik ?Install and configure ImageMagick to work with AEM Assets you will be required to configure image magik in the update asset workflow and then run the acs commons bulk workflow manager to run update asset workflow on assets in bulk.

Use the ACS tools AEM fiddler tool, change the script to servlet from header ,in your servlet, get all the assets from the folder in dam and use the moveAsset method of AssetManager api to move assets from one location to other.AssetManager ("The Adobe AEM Quickstart and Web Application.") Eg:  // T...

Refer to these articles.Creating Workflow Models Adobe Experience Manager Help | Using Adobe Experience Manager Workflows Developing and Extending Workflows

javax.inject is for dependency injection. whatever dependencies that you download, you can inject and use via import-package.consider the example of sling models , check a sample sling model and see the use of javax.inject

Search for the form element with id "cq-sites-properties-form" and you should be able to determine the page properties dialog

Go through this once. Apache Felix - Apache Felix Maven Bundle Plugin (BND) It have list of all the tags and details

is it possible for you to include the external jar as a maven dependency in aem.core project and then export the desired classes in pom?

On 6.2 also you should see a rendition only instead of the original image. something like 1280.1280 one or the one whose width is nearer to given width.  I just figured out that as soon as you upload the image on 6.2 , for a moment while the image is being processed, it shows you the path of origina...