Im working with android firebase and have managed to get the sum of a group of values from firebase and display it in logcat. Only i want to display this sum in a TextView, how would I do that? Here is my code Answer You’ll need to set the value to the text view in onDataChange, pretty much in the
Tag: java
2 HashMaps VS HashMap contain Pair
During the development of the service, I have a problem where I need to choose one of two solutions use 2 hashmaps use one hash map containing a pair of values. Currently I have an option with 2 …
Why is this happening on my code although I did not return any value from a method?
I wrote some Java code; This code is working fine. When I press + and – buttons on app, it is executing increment and decrement methods. But in those methods, I used void. Which I learned that means “no return” on that method. So, how can this code works as showing the quantity variable changed; although it was changed in
special character “” is not work in Linux, converted into “?”
I consuming an api which is returning String with special characters, so I replace them with blank or some other user readable char. My code: The above code works fine for windows machine but in Linux “” converted into “?”, even other all special char converted into “?”. I am using Java, UTF-8 in my HTML. Please let me know
Jenkins pipelines trigger one after another
Can we execute one pipeline from Jenkins and trigger another pipeline with inputdata from previous pipeline? If Yes, will you please provide me how? Answer Yes, you can do that. Let’s say there are two pipeline i.e. jobA and jobB. Let us assume jobA is the upstream pipeline for jobB i.e. jobB will be called or build by jobA with
String to JSONObject troubles
Is the first time I have to make this and I think I’m going to the wrong side. I trying to pass my String to a JSONObject but it’s nothing working. My code is this: The locationObj value after: (The code continue like a String and I don’t know why) The class I’m going to use to map later is
Sudoku Backtracking with Solution Counter
Background I’ve implemented a sudoku-solver algorithm (backtracking) that looks like this: This solution is working fine (it can solve sudokus). What I try to achieve I now want to achieve that the algorithm tells me, whether there is only one solution or more solutions. What I’ve tried I tried to achieve my goal, by changing the return type to an
How to make title background transparent on android app
There is an issue in the follow Android App where guidance is greatly appreciated. This application is to support a Renesas RX130 microcontroller and Texas Instrument CC2650 Bluetooth Low Energy hardware demonstration design. In the initial device scanning page the tile has a bright red background as shown below. The tool bar has a Purple to Red gradient background. Question:
Location variables in the pom.xml file do not work on Ubuntu
I’m using Ubuntu 18.04 and Eclipse Oxygem March 2018. I have a project on a ntfs partition. My pom.xml is in this directory: /media/gustavo/Novo volume/GIT/sistemas/Comuns/commons/pom.xml I am using the variable ${basedir} (I also tested the ${project.basedir} variable) to find this location. These variables should contain the following directory: /media/gustavo/Novo volume/GIT/sistemas/Comuns/commons/ (It works in Windows 10) But, on Ubuntu 18.04, it
How do I stop selenium automation if 20% or 1st 20 test cases test methods are failed?
I have 100 test cases, if 20% or first 20 test cases all fail how can I stop the execution ? Already have testng ITestResult where should I break the build? Where can I break this suite if Result, “FAIL is over 20 ? DO i require to create new class or can I add in same below? Answer You