Use ACS commons User export utility http://localhost:4502/acs-commons.html/etc/acs-commons/exporters

Its a function that handles an afterChildDelete listener for a container component like carousel. It refreshes the component and navigates to the correct active item in the container component. Refer to /apps/core/wcm/components/commons/editor/clientlibs/panelcontainer/v1/js/panelContainerActions.js

you need t export you project bundle package too <Export-Package>com.aem.yourproject.*,com.akamai.edgegrid.*</Export-Package>

It should be<Export-Package>com.akamai.edgegrid.*</Export-Package>also export your project bundle package e.g. <Export-Package>com.aem.abc.*,com.aem.xyz.*,com.akamai.edgegrid.*</Export-Package>

Refer to Adobe CQ Help | Troubleshooting AEM MSM issues The information is stored the following way .- cq:LiveSync mixin typeThis is set on jcr:content nodes and define root Livecopy pages .Those pages will have a cq:LiveSyncConfig child node of type cq:LiveCopy that will contain basic and mandatory...

Refer to the examples in the link below:http://blogs.adobe.com/experiencedelivers/experience-management/htl-intro-part-1/<div data-sly-test.author="${wcmmode.edit || wcmmode.design}">  Show this to the author</div><div data-sly-test="${!author}">  Not in author mode anymore..</div>

Have you checked the mapping entry specification ?Apache Sling :: Mappings for Resource Resolution follow the example given in the above link and make appropriate entry

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.