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When to use EntityManager.find() vs EntityManager.getReference() with JPA
...
private String name;
private Integer age;
}
public class PersonServiceImpl implements PersonService {
public void changeAge(Integer personId, Integer newAge) {
Person person = em.getReference(Person.class, personId);
// person is a proxy
person.setAge(newAge...
How do I get Windows to go as fast as Linux for compiling C++?
... access time: fsutil behavior set disablelastaccess 1
Disable the indexing service
Disable your anti-virus and anti-spyware software, or at least set the relevant folders to be ignored.
Put your files on a different physical drive from the OS and the paging file. Using a separate physical drive allo...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
... a 405 is evidence that the servlet itself is actually found).
Overriding service() is a bad practice, unless you're reinventing a MVC framework — which is very unlikely if you're just starting out with servlets and are clueless as to the problem described in the current question ;) See also Desi...
Maven dependency spring-web vs spring-webmvc
...rvlet module) contains Spring’s model-view-controller (MVC) and REST Web Services implementation for web applications. Spring’s MVC framework provides a clean separation between domain model code and web forms and integrates with all of the other features of the Spring Framework.
The spring-web...
Getting Started with Windows Phone 7 [closed]
... client RestSharp supports Windows Phone 7. It really simplifies using web services and deserializing the response.
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What is the difference between @PathParam and @QueryParam
...an property.
URI : users/query?from=100
@Path("/users")
public class UserService {
@GET
@Path("/query")
public Response getUsers(
@QueryParam("from") int from){
}}
To achieve the same using Spring, you can use
@PathVariable(Spring) == @PathParam(Jersey, JAX-RS),
@RequestP...
GUI Tool for PostgreSQL [closed]
...orting, alerting and a SQL Profiler.
http://www.enterprisedb.com/products-services-training/products/postgres-enterprise-manager
Ninja edit disclaimer/notice: it seems that this user is affiliated with EnterpriseDB, as the linked Postgres Enterprise Manager website contains a video of one Dave ...
使用模拟器构建应用程序 · App Inventor 2 中文网
...载或使用 隐私策略和使用条款 技术支持 service@fun123.cn
git + LaTeX workflow
...le.
Use a remote repo and push your changes upstream regularly. With free service providers like GitHub and Bitbucket (both allow you to create private repos with a free account), there is no reason to not be using these if you're working with Git/Mercurial. At the very least, consider it as a seco...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
In my multithreaded asmx web service I had a class field _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill...