包含标签：Java 的文章
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Java – Jersey client response status 204
I am using Jersey service and client When I try to call the service, I receive this error: Exception in thread "main" …… -
Java – any good reference for jqom?
Apache jackrabbit includes some database / archive query mechanisms called jqom Where do you start to understand what …… -
Java – JSP progress bar
Is there a simple way to implement the progress bar in JSP Basically, I have a JSP page to go to the servlet that call…… -
Java – get the current system time and add 30 minutes after that
I want to get the current time in my application I am starting and stopping time from my network service For example: …… -
How to find errors in the new JavaFX error tracker
The existing JavaFX error link has died How to find errors in the new system? For example How to find bugs Solution As…… -
Eclipse UML plug-in with java code generation
Does anyone know that a good (read: free) eclipse UML plug-in can also do code generation? If not, does anyone know an…… -
If may is complete, convert may to single from another source
I want to build a repository class that returns single < something > This class should first check the cache, wh…… -
RX Java – groupby operator, items from different groups are interleaved
The following codes: Observable .just(0,1,2,3,4,5,6,7,8,9) .doOnNext(item -> System.out.pri…… -
Java – use log4j to create new log files every day
I want to use log4j in my java project. What configuration should I provide log4j.appender.FILE = org.apache.log4j.Dai…… -
Java – why did this method call fail? (generic and wildcard)
I received the following error: 'call(ContainsMonitor)' cannot invoke 'call(? extends webscout.Monitor)' in 'WebScoutC…… -
Java – JNA memory leak
In view of this, C code: void LoadData(char** myVar) { std:: string str("[Really Long String Here]"); unsigned…… -
Java – Protocol buffer: enumeration problem
I have the following Proto file: enum Enum1{ X=0; Y=1; } message SomeClass{ required Enum1 enum1=1; …… -
How to convert a string to a date in Java, regardless of the system format [copy]
See English answers > parse any date in java3 public static String dateToString(String date){ if(date.equals(""…… -
Java – browser authentication via httpurlconnection
At present, I am studying the implementation of tmdb API There is a method called user authentication I have successfu…… -
Java – Apache spark lambda expression – serialization problem
I tried to use a lambda expression in the spark task and threw a "Java. Lang. illegalargumentexception: invalid lambda…… -
JPA – correct join in jpql
I have the following JPA entities: @Entity class UserClient{ @Id @GeneratedValue(strategy = GenerationType.AUT…… -
Java – using PostgreSQL, why doesn’t hibernate / JPA create cascading constraints?
I have an entity: @OneToMany(cascade = CascadeType.ALL,mappedBy = "bar") private Set<Foo> fooSet; An entity foo:…… -
Java – spring batch: different job initiators for different jobs
I have two different jobs (actually more, but assume 2 for simplicity) Each job can run in parallel with another job, …… -
java. security. AccessControlException：access denied(“java.lang.RuntimePermission”“accessClassInPackage.sun.reflect.annotation”)Spring
I use Google application engine and spring security to create a simple spring MVC application When I run my applicatio…… -
Java – Apache POI docx – how to set the page size?
Does anyone know how to change the page size (from letter to A4) for X wpfdocument (docx)? I can't find any printsetup…… -
Java messaging service and Haskell
I wonder if there is any way to receive JMS messages from some providers in the Haskell program, such as ActiveMQ or w…… -
Java – Jackson Deserialize the missing attribute to null optional
Suppose I have such a class: public static class Test { private Optional<String> something; pu…… -
Java – sqlitedatabase ‘does not implement interface’
This error occurs when sqlitedatabase is used as closeable I have a sample project to recreate it: https://github.com/…… -
Java – convert simpledateformat to datetimeformatter
Therefore, when trying to replace some legacy code with simpledateformat and date, use Java time. Datetimeformatter an…… -
Java – types are created safely to be passed to comparator Function instance of comparing()
Suppose I have a method with the following signature: <T,U extends Comparable<? super U>> Comparator<T&…… -
Java – how to build and run birt source code in eclipse Mars
I can get birt source (4.2.2 branch) from here: https://github.com/eclipse/birt/ Use M2e (Maven integration of eclipse…… -
Should the Java – domain model mapper be static?
In many projects I participate in, we often have many classes to map content from one domain model to another For exam…… -
Java – the request method ‘post’ is not supported
According to spring documentation here: They have completed the latter and can be implemented using the following spri…… -
Obtain the IPv4 address of Ethernet adapter in windows using java 1.5
problem My windows system has multiple Ethernet adapters Given the name of the Ethernet adapter, I need to find its IP…… -
Java – use JAXB to ungroup XML into existing objects
I have an XSD generated from a set of existing Java classes. At present, it successfully ungroups XML messages into ob…… -
Java – scrolling composites with slow redrawing look ugly
I am implementing the Gantt chart component for SWT, which needs to be redrawn (for example, the whole visible part of…… -
Java – search for data in Web sites
I'm new to Java and have some problems The main idea is to connect to a website and collect information from it and st……