Good Afternoon: I'm a chemistry teacher from Spain. I am not an experimented programmer, but I decided to create a small program to help my students with my subject. I am creating this small program in Java where I'm trying…
I have installed the Magento 2.0 platform on my localhost today. After completing all the setup and installation, when I tried to open the admin panel, it was showing a brown blank screen. When I switched to the developer mode,…
So far I have downloaded Apache Commons library , extracted the library commons-lang3-3.8.1.jar in Javajdk1.8.0_172jrelibext. Now I have created a class with two fields and I want to compare two objects using ob1.equals(ob2). Method equals and hashCode have been overridden…
I installed a Magento extension called Mageplaza Productslider using a manual method (copy files to app/code). This didn't look to work, so I installed the extension using composer: composer require mageplaza/magento-2-product-slider) php bin/magento setup:upgrade php bin/magento setup:static-content:deploy I still couldn't…
I faced this exception when I create a new maven project in Apache Netbeans9, I'm using Java10. Here is the exception text: java.lang.IllegalArgumentException: Key contains code point U+0000 at java.prefs/java.util.prefs.AbstractPreferences.get(AbstractPreferences.java:296) at org.netbeans.modules.maven.queries.MavenFileOwnerQueryImpl.registerCoordinates(MavenFileOwnerQueryImpl.java:153) at org.netbeans.modules.maven.ProjectOpenedHookImpl.registerWithSubmodules(ProjectOpenedHookImpl.java:431) at org.netbeans.modules.maven.ProjectOpenedHookImpl.projectOpened(ProjectOpenedHookImpl.java:138) at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectOpened(ProjectOpenedHook.java:60) [catch] at…
I have exception when I selected some records in grid and trying to delete them. Here is that exception: 1 exception(s): Exception #0 (InvalidArgumentException): AmiddioNewsModelNews does not extend MagentoFrameworkDataObject Magento version is 2.1.8 appcodeAmiddioNewsviewadminhtmlui_componentnews_grid_listing.xml <argument name="data" xsi:type="array"> <item name="config" xsi:type="array">…