I created a new Android Studio Project with C++ support and did not add anything to it. The project builds, compiles and runs with CMake. I then added the following two lines of code to CMakeLists.txt at the bottom of the file and I get a CMake build error. And this is the error I get when building the projec…
Spring Boot email sending throws SocketTimeoutException: Read timed out
I’ve already researched the topic for a few days but none of the answers I found online did the trick for me. Context: I’ve got a Spring Boot web application which sends automatic emails notifications using Java Mail API and Spring Boot Starter Mail. It is using GMail SMTP server with a GSuite acc…
Why LiveData setValue or PostValue triggers onChange just once in the view?
LiveData setValue should have triggered the onChanged method in the Activity, however it calls only at the first time, after when I try to make paging, it breaks and doesn’t call onChanged anymore, though my response is does successful and I see it in the log. What’s wrong with setValue/postValue?…
Can’t turn off HttpClient Wire debug log messages
I have been trying to set Wire to not send DEBUG to console, but no matter what I do, it won’t listen. I have log4j initialized properly: I do not get any appender messages, log4j is obeying my class and console levels. In log4j.properties I have every foreseeable way to write wire: I then thought why n…
Dynamic serialization using Jackson – removing fields with specific annotations
Went down a path of creating an annotation that would dynamic determine whether a field should be serialized or not. The annotation’s implementation is as follows: Now the code for the Serializer: A little bit of code to show how it works: And the output is as follows: How do I get the field pin to be r…
InfluxDBIOException: java.net.SocketTimeoutException: timeout
I’m using Influx Db java wrapper and adding data in influx db for every 5 seconds with a retention policy of 30 days. When I’m trying to query the data by sending multiple requests, the timeout exception is seen. Once I clear the db data , the response is received properly. The exception cause poi…
Ignore specific node within array when comparing two JSON in Java
I want to compare two JSON strings in Java 8 for equality, but ignore specific known nodes which contain values which are expected to be different and are a tolerated difference e.g. timestamp. Currently using JSONAssert v1.5.0 from org.SkyScreamer, I’m able to ‘ignore’ a number of these nod…
Android Studio: Cannot resolve symbol ‘raw’
I’ve a resource directory called “raw” in the “res” folder, but still can’t access it through my code. The problem occurs when trying to declare the MediaPlayer variable. Answer Android Studio 3.6+: Click on Build -> Rebuild Project and then click File -> Sync Project…
java- how to generate a 6 digit random hexadecimal value
I have a scenario in a Android app, where a random hexadecimal value has to be generated with 6 digits. (The range of values can be hexadecimal or integer values). What is the most efficient way to do this? Do I have to generate a random decimal number, and then convert it to hexadecimal? Or can a value be di…
Failed to create parent directories for tracking file .lastUpdated
I’ve added com.spotify:dockerfile-maven-plugin:1.4.3 to my POM and it s unable to complete because of the following u [INFO] — dockerfile-maven-plugin:1.4.3:build (default) @ server-api — Downloading: https://repo.maven.apache.org/maven2/com/fasterxml/jackson/module/jackson-modules-base/2.9.…