I have set the variable “spring.profiles.active” in my environment to “test” and I have below file in my src/main/resources. application-test.properties It has one property “machine” I want to access this property in one of my Java based class. PropertiesConfig class: But w…
Tag: java
How to run example with simulation package in Java?
Need help to run examples in the JavaSim simulation package. https://github.com/nmcl/JavaSim The example Main.java is available at: examples/src/main/java/org/javasim/examples/basic Screenshot is attached of the error Note that I also performed in Eclipse: Right click on the project folder -> Properties Ch…
Is it possible to access a private static variable and method?
We can access a static property of a class by writing className.propertyName, but if the property (method/variable) is private then is it possible to access that property? For example, This will print A.a = 50 But if I change static int a = 50; to private static int a = 50; then can I access that variable any…
how to change image position to center in PDF android
My app create pdf using this code problem is when user select smaller size image than page size it will move to top left corner i have tried and if image is bigger than page size it goes out of the page I want to shrink the image size to page size Answer I have Changed this image position to
Anylogic. NullPointerException. Error when executing a discrete event
I’m doing a project for studying. There is an agent with 2 variables that take the value True or False using the randomTrue() function. The construction of the project does not reveal errors. At startup, it throws an error when executing a discrete event:NullPointerException. Not a single agent was ente…
String Builder to CSV, how to add semicolos in right place?
I downloaded the data and read by StringBuilder and achieved this result (The content of my StringBuilder) Is there any method, library, or someone else has a solution for specifying semicolons between data? Of course, except at the end of the line. I will be grateful for your help 🙂 What I’d like to ac…
remote flink job with query to Hive on yarn-cluster error:NoClassDefFoundError: org/apache/hadoop/mapred/JobConf
env: HDP: 3.1.5(hadoop: 3.1.1, hive: 3.1.0), Flink: 1.12.2 Java code: Dependency: error 1: try add dependency get another error try to fix conflict about commons-cli:1.3.1 with 1.2: choose 1.3.1 then error 1; choose 1.2 then error 2; add dependency commons-cli 1.4, then error 1. Answer
How to represent bi-directional associations in UML?
After reading the question “In UML class diagram can composition be bidirectional?”, I’m wondering how concrete examples of bi-directional shared/composite aggregation will look on a UML diagram. Specifically, I’m interested how arrow-heads and multiplicity are used to distinguish betw…
Trying to store varibles from a txt file
I’m trying to read the file and store each variable from the file to its correct spot i want to save from file as Firstname, Lastname , DollarPerHour. Then after that print out each person separately along with a equation to solve their check for the week but I have no idea how to store then call correc…
Jersey Client download ZIP file and unpack efficiently
So, I have a server application that returns ZIP files and I’m working with huge files (>=5GB). I am then using the jersey client to do a GET request from this application after which I want to basically extract the ZIP and save it as a folder. This is the client configuration: And here’s the c…