包含标签：Java 的文章
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Java – log4j what is the difference between rollingfileappender and dailyrollingfileappender?
What is the difference between log4j rollingfileappender and daily rollingfileappender? Solution read http://www.mail-…… -
Multithreading – deep analysis of the differences between CPUs and GPUs
I've been looking for the main difference between CPU and GPU, more accurately, separating the subtle differences betw…… -
Java – can you share a link to a URL parsing implementation?
As far as I know, the URL consists of the following fields: >Protocol (HTTP, HTTPS, FTP, etc.) > user name > …… -
How to calculate the average value of multiple numbers sequentially using java 8 lambda
If I have a collection point, how can I use the Java 8 stream to calculate the average of X and Y in a single iteratio…… -
How do I debug a Java Web start application?
I have a Java Web start application that starts from a real-time site by downloading custom JNLP files The problem is …… -
Identifying file types in Java
Please help me find out the type of file being uploaded MimeType returns the same way for both files Please help. Solu…… -
Java – what is the difference between HashMap in alt-rt.jar and rt.jar?
What is the difference between HashMap in alt-rt.jar? Best wishes I found two different * Jar in JDK 1.6 0_ 25 64 bit …… -
How to send custom XML packets using Java’s smack API?
I use the smack API in Java to connect to my XMPP server I want to send a customized message package as follows: <m…… -
ToString Java array
I have several arrays in a class I want to implement toString () to print all the values What should I do? public Stri…… -
Nsurlconnection / cfurlconnection HTTP load failed (kcfstreamerdomainssl, – 9813) IOS
At present, I am using a soap web service in IOS. My source code is as follows NSString *xml = requestXMLToSent; NSSt…… -
Java – how do I know if an array can be sorted by one or more swaps?
Given an array containing n elements, can we sort the array in ascending order by performing an exchange operation? Fo…… -
Unknown column in Java hibernate ‘field list’
I need a help When I use getallstreets() method, I have HQL error: org.hibernate.exception.sqlGrammarException: UnkNow…… -
Java – missing “run JUnit test”
I created a JUnit 4 test in eclipse by right clicking the Java class and selecting new JUnit test case When I right-cl…… -
Java – assignment of value in array index
Please check the following code snippet to let me know how to output 1.2 int[] a = { 1,2,3,4 }; int[] b = { 2,1,0 }; S…… -
Java – how do I get the server port number when using a JMX server with a transient port?
When launching a Java application using the following options: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmx…… -
Java – annotation processor output in maven
I'm using JSR 269 as a compile - time method to analyze code and fail it if necessary Solution I think you encountered…… -
Java – can eclipse refresh Tomcat applications automatically?
I use eclipse indigo (EE) to build applications in the Java framework vaadin, Otherwise, when I refresh the applicatio…… -
Java – images are not cached locally (using the general image loader) – slow image loading time
Problem Description: Image loading is very slow... I thought using the "universal image loader" to cache images on the…… -
URL routing in Java
From other web frameworks, I'm used to being able to map part of a URL to method parameters I know web XML provides a …… -
Java – why does switching from infinite loop to TimerTask cause CPU utilization to decrease?
I wrote a daemon with the following structure: @ h_ 502_ 2@while ( true ) { // do some stuff Thread.sleep( 1000 ); } I…… -
Using another constructor in Java
consider: int a = 0; int b = 3; //Constructor 1 public ClassName (int a) { this(a,b); //Error …… -
Java 8u31 plug-ins cause signed applets to load much more slowly
I've noticed that signed applets load much slower with the latest plug-ins (included in Java 8u31 and 7u75) I have deb…… -
Virtual machine – import VHD to Parallels Desktop 6 on MAC
I see everywhere, but I can't find the answer, so: I have a VHD image created for me by a customer - he installed win7…… -
Java – on IntelliJ 13, the created executable jar is invalid or corrupt
I try to create an executable jar from a project on IntelliJ 13 (win8). According to these answers, how to build jars …… -
Java – the relationship between bytecode instructions and processor operations
The Java specification guarantees that the original variable assignment is always atomic (long and double type expecte…… -
Java – the difference between resteasy and jax-rs
What is resteasy? What is the difference between resteasy and jax-rs? Solution According to its home resteasy is So ja…… -
Java – JSTL string comparison always returns false
I'm trying string comparison <c:if test="${dept eq 'account'}"></c:if> But this always returns false I che…… -
Can the Java – hibernate tool generate JPA POJOs?
Can I know if the Eclipse Plug-in hibernate tool can be used to generate JPA entity @ entity? The generated java files…… -
Migration of JAXB for Java – Weblogic 12C disaggregation
We have a Weblogic 10.3 5.0, we are migrating to WL 12.1 2.0. 0. We are solving the problem of ungrouping WS calls fro…… -
Limit the length of content obtained by Java httpurlconnection
Yes, so I started to create a java download manager project that worked well The only problem I see so far is when I a…… -
Java – does hibernate 4 and ehcache need ehcache core library?
I tried to upgrade my hibernate 3 application to hibernate 4 The application uses ehcache When upgrading to hibernate ……