Recent Posts
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Multithreading – prevents / removes threads from publishing messages to the main UI thread
My problem is that if a thread quickly publishes messages to the main UI thread, and if I update the UI at that time, …… -
Java – does any program recognize that it crashed last time?
What is the best way to let the (Java) program recognize the crash when it was last run, and display a message "it loo…… -
Using multiple SSL client certificates with the same host in Java
In my java application, I need to use SSL to connect to the same host, but I use a different certificate every time Th…… -
Java – serialize POJOs using gson
I use gson to serialize POJOs – objects before and after changes The changed (called a) set by struts 2 can be easily …… -
Register a Microsoft authentication service certificate for a user from a java program
With microsft certificate services, users can register / create their own certificates How do I create this certificat…… -
Java – sort double values in JTable
I found many problems related to this, but I didn't find a simple way to solve my problem I can't find a way to make m…… -
Java – round to 2 decimal places
(Math.round(doubleValue*100))/100.0 (Math.round(doubleValue*100))/100.0 Is there a better way to round the decimal to …… -
java – Hadoop Map Reduce For Google web graph
We have given the task of creating a map reduce function as a task. This function will output the nodes you can start …… -
Java – jsf2 applicationscope bean instantiation time?
In my opinion, the @ applicationscope bean starts only the first time you use el to access a page Will the @ applicati…… -
Java – is it normal that the asynctask thread still exists after execution?
When I use asynctasks check in DDMS, is it normal for the thread to remain in memory as a waiting thread after onposte…… -
Java – install jpype in mountain lion
I'm trying to install jpype.com in mountain lion I follow all the steps suggested in this article: how to install jpyp…… -
Does anyone use the spring framework of Java config now?
I am browsing the spring Java config page It says Does that mean it's out of date? Does anyone use it in their project…… -
XML schema types that use JAXB to generate Java primitive types do not need to be added
I am using JAXB (xjc version 2.2.4-2) to generate Java classes from XML schema XML types mapped to Java raw data types…… -
Java – how to work comfortably in large (Android) projects?
I created an app for Android some time ago and uploaded it to Google play I'm happy because users like my application …… -
Parallel for loop
I want to use the go routine to parallelize the for loop I tried to use the channel, but it didn't work My main proble…… -
Java – spring MVC: Form: RadioButton of Boolean attribute
I just want to know how to use Boolean values in spring MVC forms I try to use this Code: My jsp: <form:radiobutton…… -
Java – what is the reason for the failure: “jarsigner: failed to try to rename {file} to {file}. Org” sign up with ants?
I received an error: When trying to sign a set of cans with ants in eclipse Ant build works well in this project and h…… -
How can the Java – @ Autowired annotation be used for private fields?
See English answers > what is reflection and why is it useful? 21 Solution It applies to reflection Here you can fi…… -
Java – how to bind two parameters using play 2.0 routing
I'm learning play 2.0 (using the Java API) and want to have a double / float parameter (location coordinates), like ht…… -
Java – friends list of friends who use twitter4j
How can I use twitter4j to get a friend list of friends or fans? Using getfriendsid (), I can only retrieve the list o…… -
Java XML schema validation: prefix unbound
I have followed this tutorial to validate XML files However, an exception was received while validating the XML file W…… -
JPA: what is the behavior of merging with lazy initialization sets?
The following is the sequence that caused the problem: >I have a team record and 3 player records in the database T…… -
Java – when to @ requestparam and @ pathvariable
Just want to know in which case we should select @ requestparam and @ pathvariable I Know: >@ requestparam takes th…… -
Java – how Web services work
I am new to web services. I want to use java to implement web services in my eclipse project So anyone can tell me how…… -
Java – test data directory using JUnit
I'm writing some JUnit tests that rely on data files Where should these data files be placed? How will I get the locat…… -
Java – JUnit test: meaning of failure (“not yet implemented”);?
What is the meaning of this code? for example @Test public void testGetDiameter() { **fail("Not yet implem…… -
Is there anything wrong with this java code?
class Creature { class Creature { private int yearOfBirth=10; public void setYearOfBirth(int year) { …… -
Java – easymock and modified a variable method parameter
How to use easymock to modify the variable method parameters of simulation methods? For example, I have a class that u…… -
Java – how to track listeners in firebase on Android?
I have a list of chat rooms for a given user in one location and the total number of messages for a given chat room in…… -
How to create mongodb objectid in Java
How to add an array to a mongodb document using Java? after { "_id" : ObjectId("5399aba6e4b0ae375bfdca88"),"addressDe…… -
Java – find the largest connected component in the adj matrix graph?
I try to find a way to find the largest connected component in adj matrix graph For example: 0000000110 0001100000 000…… -
Java n-dimensional array
I need to be able to have an n-dimensional field, where n is the input based on the constructor But I'm not even sure ……