Questions tagged as 'java'

Tagged questions
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Protect memory address

I'm developing a simple game. I want to protect the memory address where the player's score is located so that only a specific process can access it, thus preventing the user from changing or accessing this memory address with a cheat tool. Is t...
asked by 06.11.2017 / 01:56
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Quartz cronSchedule to rotate with interval greater than one hour

I'm wanting to do a quartz cronSchedule like this cronSchedule("0 0/5 * 1/1 * ? *") but it is around every 5 minute example    7:05, 7:10, 7:15, ... and so on What I'm needing is so    7:05, 8:10, 9:15, ... and so on (one hou...
asked by 17.11.2017 / 09:32
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How to create microservices thinking about scalability? [closed]

Hello, I'm building a microservice that integrates data from a SOAP webservice. For this I am using a scheduler that once per day searches for new data and writes to my mongodb database. Since the standard of service is to have one basis per...
asked by 13.11.2017 / 02:20
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Handling JSON Response with Retrofit in Android Studio

To be very clear I'm developing a simple application test, where my user types the cpf of a registered customer and their data as clients appear on the screen. My server returns me a json with a simple structure like this: {"id":1,"name":"Luca...
asked by 23.11.2018 / 13:39
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Emoji JavaEE JSF JBOSS ORACLE

I have a WEB System and have been asked to put emoticons for sending e-mail. I had some problems with the database encoding that is Oracle and the NLS_CHARACTERSET was set to WE8MSWIN1252 . In order to not change the structure of...
asked by 05.11.2018 / 19:11
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What is the best way to generate Push notification using Firebase?

I have the following problem: I have a system where it is possible to record a series of tasks to be performed by a team or person. What I need is that whenever a request is terminated by a user, everyone else receives a notification saying t...
asked by 17.05.2018 / 02:05
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How to implement Flyway in a JavaEE Maven project with Hibernate, vRaptor and JPA?

In a Maven, JPA, with Hibernate and vRaptor integrated project, how to implement the Flyway easily and effectively? Implementing this, my bank will upgrade as it was in the development <property name="hibernate.hbm2ddl.auto" value="upd...
asked by 08.05.2018 / 23:03
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Scheduled Message Scheduled with cron send three times

Hi! I have a routine in a JSF + Spring 3.0.5 system that sends an email containing 4 attachments in pdfs every day 11 at 7:01 AM to 11 addresses. My problem is that when the application is in production on a 32-bit Windows Server 2003 server, 3...
asked by 11.05.2018 / 15:14
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Doubt with LoadBalance and CircuitBreaker in Microservices

I have a service structure as follows: server (Eureka), property (eureka-client) and client (eureka-client). The customer service makes a request for the service of property, using the feign. I have the LoadBalancer configured on both sides (...
asked by 27.05.2018 / 19:00
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Write HTML in JSF sources - Frameworks?

I see in several code examples the views using those tags jsp , which I find very ugly and dirty. Is there a java web framework that is used in corporate app and can give me the normal html, without those ugly tags like <h:form>...
asked by 20.03.2014 / 21:30