I already implemented onClick now I want to add onLongClick , I searched non of the solutions matched my case, because my adapter is setup differently Adapter my Fragment Answer You need to add a 2nd method to your interface to represent the long click event. Then, within onBindViewHolder, add vh.itemView.set…
Tag: java
ListView is not updating once I add elements to the array
I want my ListView to update as I add things to the array. It doesn’t work. I added a notifyDataSetChanged() to the updater code, but it does nothing. I’ve used Log.d tags to make sure the Arrays actually have their values, at pretty much every point of the code and they do. The issue seems to be …
Why in Postgres, with an empty table, if I use BEFORE INSERT, the :NEW: variable is NULL?
I’m developing a Cinema Database in PostgreSQL. I have a Trigger which, before I insert a new show, checks if the date of the show is prior the movie’s release date (for example, adding today a show of Avatar 2). Here’s the code: Thing is, if the SHOWS table is empty, var1 is NULL. Already c…
Unable to inherit in OpenAPI 3 using allOf in java
Please find the schemas in my contract yaml file : While using swagger 2, the generated class Foo extends Bar. But after using openAPI 3 Foo isn’t extending Bar when using allOf. All it is doing is copying all the properties of Bar to Foo class. Although now that Foo class will contain all the propertie…
How to sort array based on multiples of 3 using Java
I have an array like this one- {1, 2, 3, 4, 5, 6} I want to sort it in the order of multiples of 3 with remainders 0, 1 and 2. (the first group is multiples of 3, the second one is multiples of 3 with remainder 1 and the last one is multiples of 3 with remainder 2) and
How to control fields.hasErrors() and bindingResult manually
I’m trying to check if I have a List with items. So I use this code in my HTML Normally I should add @NonEmpty label in the form and let Spring work automatically. In my case, I can’t do it this way and I need to add the error manually. So I do this in my controller: But the message
JMeter: Groovy code for moving files from one directory to another stopped working. Any better approaches?
I had used the below mentioned Groovy code in the JSR223 Sampler to move my file from one directory to another. This was working until a few days back, now it no longer does. Any suggestions on how to get it working? Also, I tried using a Beanshell sampler to perform the same task, but was not successful with…
How can i solve the problem with creating a class in java using Eclipse
So I am using eclipse to practice coding using java and till now it was doing great, until I wrote this program: whenever I am trying to run the code it is showing me nothing. I need help. Answer It wont show anything. Your code will wait till you enter the care name. So, first you need to provide input
Buttons not showing up in JPanel
I’m having a ton of trouble figuring out why the buttons in this won’t show? They were showing up earlier today when I test ran the program but now I’ve been stuck for 2 hours trying to get the buttons to show up again. It’s also really weird because the panel is definitely showing up …
Is it technically possible to derive a class that only has a private constructor in Java?
I found a lot of answers about it on this site, but most of them are based on modifying the requirements or modifying the code of the parent class to do so. Without discussing the requirements and modifying the code of the parent class, can we get its constructor and derive it through reflection and other mea…