包含标签：Java 的文章
-
When a java program suddenly exits, can you perform some operations?
If the program exits suddenly or there are any exceptions, I need to log For example, when someone presses Ctrl C whil…… -
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…… -
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…… -
Detect OS sleep and wake up events in Java
Is there any way for Java programs to detect when the operating system is about to go to sleep, or fail, or at least d…… -
Java – mongodb is obviously too big for a 16MB hat
I have a mongodb series Simply put, it has two columns: user and URL It has 39274590 lines The key to this table is {u…… -
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…… -
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I am browsing the spring Java config page It says Does that mean it's out of date?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…… -
Rotate the coordinate plane of data and text with Java
I need it: The following code sets this problem It works except for two problems: 1.) Draw the data point, the upper l…… -
Java – Android: a simple GridView that displays text in the grid
I followed this example in the Android tutorial on GridView, but I want to use textview to simply display some text in…… -
Is there anything wrong with this java code?
class Creature { class Creature { private int yearOfBirth=10; public void setYearOfBirth(int year) { …… -
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…… -
How to generate serialVersionUID programmatically in Java?
I am developing a project to generate java files I want to be able to add serialVersionUID just like using the serialv…… -
Java – selenium does not detect the second window in ie
My application opens a new button - click window where I need to do something However, selenium webdriver's response t…… -
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…… -
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 – LDAP user password authentication using JNDI
public static void main(String[] args) public static void main(String[] args) { String INITCTX = "com.sun.jndi.lda…… -
Handling Unicode proxy values in Java strings
Consider the following codes: byte aBytes[] = { (byte)0xff,0x01,(byte)0xd9,(byte)0x65,(byte)0x03,(byte)0x04,(byte)0x05…… -
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 – 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 – how to handle thousands of quartz queries gracefully?
We have a required application >Reprocess large amounts of data at night, and > reprocess large amounts of data …… -
How to use Java driver to execute full-text search commands in mongodb?
Mongo and Java masters Our team decided to use the full-text search API recently introduced in mongodb However, we fin…… -
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 – 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 – Oracle jdbc driver statement cache and bonecp statement cache?
I am using the Oracle jdbc driver and evaluating bonecp I asked myself if I should use one or another for statement ca…… -
Create variable names using loops in Java?
The first poster, long time readers, so be gentle to me:) Refer to the following code, which is used to generate time …… -
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 – 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 – what is imageobserver?
When you draw an image, you need an image observer New comments new new new flag new new new flag new new flag new fla…… -
Java – Lucene index problem with “–” character
I came across a Lucene index that indexes words with "–" characters It applies to some words that contain "–" but not …… -
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 – 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…… -
Threshold image using OpenCV (Java)
I'm working on a project with OpenCV I need to convert the following image to a threshold image I tried this function:……