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How to generate the JPA entity Metamodel?
...etamodel Generator jar in the classpath and compiler level>=1.6 that is all you need build the project and metamodel will be generated automatically.
In case of IDE Eclipse
1. goto Project->Properties->Java Compiler->Annotation Processing and enable it.
2. Expand Annotation Processing...
Is it possible to modify variable in python that is in outer, but not global, scope?
...nlisence so use it however you wish. You can install it with pip install seapie or check out the home page here https://github.com/hirsimaki-markus/SEAPIE
user@pc:home$ pip install seapie
from seapie import Seapie as seapie
def A():
b = 1
def B():
seapie(1, "b=2")
print(b)...
Event listener for when element becomes visible?
... User Interaction, if your code is organised enough you should be able to call the initialising function in the same place where the visibility changes (i.e. you shouldn't change myElement.style.display on many places, instead, call a function/method that does this and anything else you might want)....
Protected in Interfaces
Why are all methods in an interface definition implicitly public ? Why does it not allow a protected method?
13 Answer...
Retrieve a Fragment from a ViewPager
...ble. Fragments that have not yet been instantiated, will return null when calling getRegisteredFragment. But I've been using this mostly to get the current Fragment out of the ViewPager: adapater.getRegisteredFragment(viewPager.getCurrentItem()) and this won't return null.
I'm not aware of any othe...
Store query result in a variable using in PL/pgSQL
...s, as @Pavel commented.
I shortened the syntax with a table alias additionally.
Update: I removed my code example and suggest to use IF EXISTS() instead like provided by @Pavel.
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How to test my servlet using JUnit
...ckito to have the mock return the correct params, verify they were indeed called (optionally specify number of times), write the 'result' and verify it's correct.
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import java.io.*;
import javax.servlet.http.*;
import org.apache....
Should we use Nexus or Artifactory for a Maven Repo?
...out Artifactory but here are my reasons for using Nexus:
Dead simple install (and since 1.2, dead simple upgrade, too)
Very good web UI
Easy to maintain, almost no administrative overhead
Provides you with RSS feeds of recently installed, broken artifacts and errors
It can group several repositori...
App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问...等国...
...
我们尽量将接口方法设计得简单易用，由于demo中包含了APIKey，因此不直接提供aia源码，这里以Kimi为例，附上代码块：
开始对话：
切换输出模式（默认流式输出，可切换非流式一把输出内容）：
流式输出响应事件，每输...
Apache Kafka vs Apache Storm
...at has distributed real time processing abilities, meaning you can execute all kind of manipulations on real time data in parallel.
The common flow of these tools (as I know it) goes as follows:
real-time-system --> Kafka --> Storm --> NoSql --> BI(optional)
So you have your real time...