Now I set three services and let pedestrians run between the targetline1 and targetline2 in anylogic. Part of pedestrians will enter into services and then go to the targetline1 or 2. I want to count the total number of pedestrians only in the node(blue rectangular). how can I calculate pedestrians only in th…
Tag: java
Azure Fucntions 2.x and 3.x will no longer be supported? (Java)
The following article states that Azure Fucntions 2.x and 3.x will no longer be supported. https://demiliani.com/2022/06/14/do-you-have-azure-functions-in-production-update-your-azure-functions-apps-to-use-runtime-version-4-x/ We are using Java, not .NET Core 3.1. We would like to know if we need to update to…
Why is this image method returning a black image?
I am running the code below. What it is supposed to do is equalize an image passed into it. All the methods and variables run fine except for newPixelVal which is always zero. This then makes my image all black. I cannot figure out why this is returning 0. Answer Got it! The division carried out at newPixelVa…
Configure Apache Qpid JMS (jakarta.jms) connectionfactory in Apache Camel XML DSL in AMQP component
Trying to use the jakarta.jms Apache Qpid AMQP client to process messages. I am trying to use poolable connection factory using org.messagehub. Standlone java code works, refer the java changes. When I try use the same in Spring XML DSL in Camel, the AMQP component doesn’t support the jakarta.jmx connec…
Pattern-Matcher is not looking for all matches for some reason
I have, it seems, a very easy task, with which Matcher for some reason does not cope. So, the task sounds like this: You need to find and display all the substrings from the string “AAABBBB”, where there are pairs of AA or BB, while they can go in a row or alternate “AABBBBBBAA”. Eithe…
Iterate over list and modify elements with Java streams/optional [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 4 months ago. Improve this question I have say a list of Person. I have to iterate over this list to fin…
How can I call the mouse right click event in SwingGui?
I have a table. If I right-click I got a JPopUpMenu but before the pop-up I want to select the row where the right-click event is done. Here is what I’ve tried. In that event, I cannot get any output from the console when I right-click. However, when I left-click, points are printed to the console. java…
BigDecimal setScale ROUND_HALF_UP don’t seem to operate on each number
When I ROUND_HALF_UP 10.12445 with scale 2, I expect to get 10.13, because 10.12445 -> 10.1245 -> 10.125 -> 10.13 But the result is 10.12 Therfore if I succesively round with scales 4, 3 and 2, I get the result that I expect: Did I miss something? Is there a way to get the result I expect directly? A…
Maven install failed: com.jcraft.jsch.JSchException: Auth cancel
I try to deploy to my work VDS. I have bad error and don`t know how solve it. I can’t figure out what the problem is. Through the terminal, the connection via the SSH protocol is stable Answer Most likely, this error occurs due to a passphrase or a non-default name of the SSH key. Try changing the priva…
Call to method with a thread inside implies a wait?
I have a method that writes a file and it can be a bit slow. So I did this to avoid blocking the rest of actions: However it still takes a while until things B are executed after things A and I was wondering if I should do this instead: Or, in other words, does calling a method with a