In my program, I have an ObjectAnimator which moves an ImageView from left to right. I am trying to set up a listener which will execute a task when the ObjectAnimator is finished running. Here is the …
Parsing bounced emails using Javamail and DSN.jar
I found the way to redirect my bounced emails using my own smtp server. Now, as per the requirement, I should be able to read the bounced emails using my program, like reason for bouncing, receiver’s email address, email content and etc. Stackoverflow suggested that dsn.jar might be helpful. I saw it ha…
How to find cortege with OneToMany relation in Spring Data JPA
I use Spring Data JPA and have two entities: and And repository: I need to find available vehicles, which not booked by time. How can I do this? Answer I would go for something like: BTW I think that you might wanna try to change FetchType from EAGER to LAZY for bookingTime and then use join fetch in select q…
get removable sd card path in android
How can i get extSdcard path in android? There are 2 storage, first external storage in which all the phones have it but there is second storage which is called removable storage (micro sdcard). I want to get the path to the micro sdcard in android, how is that possible? Answer Starting from KitKat, you have …
Java create method in Interface and change the parameter type
How do I create an interface that when Overridden can have different types? Sometimes I would like the method to accept an item of type ‘HtmlPage’ and other times I would like it to take the type ‘Document’. Later these could change to even more types. Example: I am thinking something …
Java 8 modify stream elements
I wanted to write pure function with Java 8 that would take a collection as an argument, apply some change to every object of that collection and return a new collection after the update. I want to follow FP principles so I dont want to update/modify the collection that was passed as an argument. Is there any…
Passing Nullable Values from Activity to Fragment
When passing Strings from an activity to a fragment using I can also pass potential null and receive it in the fragment with I’d also like to pass nullable Floats and Integers but the corresponding putInt() and putFloat() methods don’t allow passing null. I am now passing additional flags as argum…
ThreeTen-Backport error on Android – ZoneRulesException: No time-zone data files registered
I’m using ThreeTen-Backport library for my Android project (because java.time is not yet implemented in android development). When I write LocalDate today=LocalDate.now(); or LocalTime time=LocalTime.now(); I get the following exception: The same line of code works well in another java project I have, w…
Best solution for an anagram check?
I’m going through a permutation/anagram problem and wanted input on the most efficient means of checking. Now, I’m doing this in Java land, and as such there is a library for EVERYTHING including sorting. The first means of checking if two string are anagrams of each other is to check length, sort them in som…
jOOQ can I fetch a join of two tables into the respective POJOs
In jOOQ if I want to fetch a row of a table into a jOOQ autogenerated POJOs I do, for instance: Now, suppose that I want to do a join between two tables, e.g. USER and ROLE, how can I fetch the result into the POJOs for these two tables? Answer Using nested collections With more recent versions of jOOQ,