Recent Posts
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Java – how to send cookies with selenium webdriver?
Every time I run my test, the first step is to log in, not I get to the page If you run this test, the login operation…… -
Java – how do I implement google voice input in my application?
I'm trying to add a button to my application to start Google Voice typing (or default voice recognition) I tried follo…… -
Java – how do I export jars from library projects to reference projects in eclipse?
Several Android projects use Android library projects Now I have added a jar (commons - lang. jar) to the library proj…… -
Java – how to detect when objects are no longer referenced
Is there any way to create or register a handler that will be called completely the last time an object is referenced?…… -
Java – converts comma separated values to lists
Suppose I have a set of numbers, such as 1,2,3,4,5,6,7 inputs as a string I want to convert these numbers into a long …… -
Java – stop long running threads accessing the database
I started a few threads, but I didn't have a reference signal, a stop signal or something I am using a ThreadGroup and…… -
Java – the ability to get progress on future objects
Refer to Java util. Concurrent package and future interface. I noticed (unless I was wrong) that the function of start…… -
Java – persistence. 0 was not found during Maven testing xml
I'm trying to load the test database in the test database for the Maven build process of integration testing persisten…… -
Java – case insensitive checking of roles in HttpServletRequest
javax. servlet. http. The HttpServletRequest class has a method named isuserinrole I use it to check whether the user …… -
java – ResultSet. getTimestamp(“date”)vs ResultSet. getTimestamp(“date”,Calendar.getInstance(tz))
java. util. Date,java. util. Timetamp seems to have caused great confusion to many people There are so many problems i…… -
Java – why must an abstract method be implemented by the first concrete class rather than a further chain?
I'm curious why abstract methods must be overridden by the first concrete implementation class rather than hierarchy c…… -
Java – a collection behaves like a queue, but allows me to get multiple elements at once?
I'm looking for a data structure that behaves like a queue (it may be a queue implementation), but allows me to get mu…… -
Java – should the constructor of a private inner class be declared public or private?
Is there any practical difference public class OuterClass { private class InnerClass { public InnerClass()…… -
Java – how to map maps
I tried @ManyToMany(cascade = CascadeType.ALL) Map<String,Double> data = new HashMap<String,Double>(); But…… -
java – NoSuchMethodError：org. slf4j. helpers. MessageFormatter. format
This error occurred while running my application: [ERROR] Apr 12,2013 10:18:56 AM com.google.appengine.tools.developme…… -
If a host is lost, the datastex Java driver will not connect
If I am not wrong, I can connect to a Cassandra cluster, know that there is at least one node in the cluster, and then…… -
Setting the file creation timestamp in Java
I know that setting the creation timestamp does not exist in Java because Linux does not, but is there any way to set …… -
java. Is the EXE program an actual VM?
See the English answer > totally fused with Java exe3 Wikipedia says this is a 'class loader' and 'class file inter…… -
The Java – GWT compiler ignores method comments
Can you create comments (or otherwise) to force the GWT compiler not to compile methods? I have a class that I also us…… -
Is there any Java HTML parser where the generated nodes retain the index of the original text?
I want to use HTML documents as XML queries (for example, using XPath), so I need to pass HTML through some form of HT…… -
Wrapping C / C in Java++
I develop applications in C / C + + I prefer these two languages and like to be a C developer I want to know how to cr…… -
Java – creates an N by N diagonal matrix using basic logic
I want to create a matrix of N size, where n is a globally defined constant value. Now I just want to create a matrix …… -
Imposing constraints or restrictions on method bodies in Java
Context (Edit) Some clarifications are needed, so I will try to summarize the impact >The goal of the project is to…… -
Multithreading – multi core CPUs share MMus and page tables?
On a single - core computer, one thread executes at a time At each context switch, the scheduler checks whether the ne…… -
How to delete elements in ArrayList from the indicated index
As shown in the figure, after running one method at a time, I want to delete the old item and prepare for the next cal…… -
Java – run each JUnit test using a separate classloader (no, really)
How can I have JUnit use a separate classloader for each test class it executes? I'm writing a JUnit testrunner for a …… -
Java – @ cacheable breaks dependency injection
I stumbled upon a case in which the AOP proxy created with @ cacheable was created in spring 3.1 Dependency injection …… -
Java – volatile semantics relative to other fields
Suppose I have the following code private volatile Service service; public void setService(Service service) { this.…… -
Javafx2 – poor performance when dynamically adding custom (fxml) panels to grid boards
problem My attempt I tried to expand from the pane public class Celli extends Pane{ public Celli() throws IOExcept……