包含标签：Java 的文章
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Easy in Java
Make sure it's an easy person who sees it first! Why code in Java long one = 1 << 0; long thirty = 1 <<…… -
Elastic search – integration with Java Web Applications
I am developing a Java Web application (ERP system) I have finished the basic process Now, according to my customer's …… -
Java – natural language processing – features of text classification
So I try to use Weka SVM to classify text So far, the feature vector I used to train SVM consists of TF-IDF statistics…… -
Java – how do I handle uppercase or lowercase in JSR 310?
There is already an answer to this question: > how to parse case insensitive strings with jsr310 datetimeformatter?…… -
In javax Importing maps in the scripting JavaScript environment
I'm in javax Some strange behaviors are seen in the scripting map implementation The online example shows an example o…… -
Java – Cross Platform file path construction and representation
I'm in the refactoring phase of my ongoing project and want to make some improvements on how I build and represent fil…… -
Java – check whether a file is an image
I am using Jai and creating a file: PlanarImage img = JAI.create("fileload",myFilename); If the file exists, I check t…… -
Should I reset the Java heap space after use?
I'm using some modeling algorithms in R, one of which runs in Java (bartmachine) I found that before running the model…… -
Multithreading – managing threads in Grails services
So I have a service setting to import a large amount of data from the files uploaded by users I want users to continue…… -
Set null value in Cf9 ORM
Is there a way for Cf9 ORM to insert null values into the database instead of empty strings? I have a numeric field th…… -
Java – how to avoid initialization of large arrays
I assigned a lot of doubles double[] x = new double[ n ]; Where n is large, I want to avoid initialization to save tim…… -
Where can I get tools for use with earlier versions of Java 8 JDK jar
Where can I get tools from earlier versions of Java 8 JDK jar？ Without it, my java 1.8 Maven POM based project in Net…… -
Java threads in libgdx
Hey guys, I'm making a game with libgdx. I really want to operate the game, so I run a drawing loop and a logic loop o…… -
Java – is this class single?
Are the categories listed below singles? Since the constructor is declared public, can I infer that the class is a sin…… -
Java JPA: perforant checks whether the entity is already in the DB
What is the best method / best practice to use JPA to check whether an entity is already in the database? I'm writing …… -
How to suppress warnings during Javadoc compilation (within the scope of the code base)?
I'm stuck in a legacy java code base, and there will be thousands warnings when you compile it I am happy to actually …… -
Julia: append to an empty vector
I want to create an empty vector and append an array to Julia What do I do? x = Vector{Float64} append!(x,rand(10)) Th…… -
XMPP – how do I retrieve chat history using the Java smack library from the openfire server?
After installing the open archive plug-in in the openfire server, I can see that the chat conversation between two use…… -
Java – how do I add soap headers to the spring Jax WS client?
How do I add soap headers to the spring Jax WS client? Specifically, I have a JAXB object that I want to add to the ti…… -
Java – Android and lambda
I need to integrate some code with the widespread use of Java lambda functions The problem is that using lambda requir…… -
When trying to simulate private methods using mockito and powermock, get Java lang.NullPointerException
I tried to simulate a private method with mockito / powermock I got NullPointerException Practical courses import com.…… -
What does it mean when you have a variable, such as accessing $002 in Java?
I have a Java jar. I have decompiled the permissions of the original developer and we will use it until they can get a…… -
Why do java, c# and C have no scope?
ADA, Pascal, and many other languages support range, a subtype integer approach I know that it is impossible to static…… -
WebSphere – where can I find a specific version of IBM JDK / JRE for windows?
I'm trying to get a JDK sensitive Oracle Software used with WebSphere. I need to find some specific versions of IBM JD…… -
Java – calculate method call stack size to check stackoverflowexception
This morning I answered a question related to stackoverflowexception This person has asked when a stackoverflow except…… -
In Java network programming, is there any way to keep the server open even if the client is closed?
Suppose we have a simple echo client / server pair in Java As far as I know, once one side of the socket is disconnect…… -
Java – where should the validation logic be?
topic How do you best manage the construction of object graphs that require complex validation logic? I want to keep d…… -
Java – unable to run the program “MVN” error = 2, there is no such file or directory
I'm building on Ubuntu 14.04 LTS, but I get the following: Started by user anonymous Building in workspace /var/lib/je…… -
Java – missing language in TTS Android
I am developing an Android application that uses the texttospeech feature provided by Google and follow the following …… -
Why does’ Java – version ‘go to stderr?
Is there any particular reason why Java is converted to stderr? For example, the command is executed from the prompt l…… -
How to calculate differences in a few months using Java’s joda API
I'm writing a program that should calculate the month between two given dates and return the value to the program For …… -
Java – how do I get all the elements of a list through an instance?
How do I get all the elements of a list by instance? I have a list that can have any class implementation of an interf……