I need to implement an API with these path params. Can the second and third params by optional? So the client need not pass these, but have to pass the first and last. If this is not possible, then is it recommended to rearrange the params in this way? How to provide the optional params? Answer You can match …
Java: Importing StringUtils
I am trying to import StringUtils. My first step was downloading ‘commons-lang3-3.4.jar’ which I included in the same directory as my PersonTester.java file that I am working on. In my PersonTester.java in which I intend to use StringUtils, I include: When I try and compile I get the following err…
Android Studio FloatingActionButton error
I installed Android Studio yesterday, and after battling multiple java and other errors, I have come to an error that I cannot seem to fix. I have not added anything or done any code, I have simply just started a new project and I get this error in the Preview over the phone: Rendering Problems: Followed by a…
exception android.support.multidex.MultiDexApplication cannot be cast class
I have a problem, my app generate this exception,and i don’t understand. I have implement the multiDexEnabled in my build.gradle My Class Java } file Gradle Manifest.xml Answer I think you should extend the AnalyticsApplication class into your own class, like this: After this, you must change your Andro…
try-finally with close auto-refactoring to try-with-resources with codestyle/checkstyle
I am working on a codebase that has recently migrated from Java 6 to Java 7. I would like to replace constructions like this: Connection conn = null; try{ conn = new Connection(); … } catch(…
How can i remove unnecessary top padding in cardview?
I managed to implement Cardviews in my app, but the cardview show an unnecessary padding in the top. What i want to achieve is to get a header image like this : Here’s my cardview Layout file : This is the code of the RecyclerView : android:layout_height=”match_parent” android:padding=”…
Retrofit: How to wait for response
I have AsyncTask and the doInBackground method inside which, I sending POST request using Retrofit. My code looks like: The problem is: Retrofit sending request asynchronously and while it, the doInBackground method returning the value. So I need to send a request in the same thread with all executions in the…
UnrecognizedPropertyException: Unrecognized field not marked as ignorable at Source: org.apache.catalina.connector.CoyoteInputStream@14ec141
I am making rest web-services my code is: but when i call it with this Json : I’m getting following Exception: javax.servlet.ServletException: org.codehaus.jackson.map.exc.UnrecognizedPropertyException: Unrecognized field “userId” (Class com.tazligen.model.GroupMemberMap), not marked as igno…
apache flink 0.10 how to get the first occurence of a composite key from an unbounded input dataStream?
I am a newbie with apache flink. I have an unbound data stream in my input (fed into flink 0.10 via kakfa). I want to get the 1st occurence of each primary key (the primary key is the contract_num and the event_dt). These “duplicates” occur nearly immediately after each other. The source system ca…
Spring Data MongoDB Annotation @CreatedDate isn’t working, when ID is assigned manually
I’m trying to use auditing to save dateCreated and dateUpdated in my objects, but since I set ID manually, there’s some additional work. Following Oliver Gierke’s suggestion in DATAMONGO-946 I’m trying to figure out how to correctly implement it. As original poster in Jira task above, …