Java 归档 - Page 331 of 655

Java – hibernate does not get the null value of the field in the database record

I use the following hibernate code to get data from the database SessionFactory factory = null; Session session = ……

Java

2020-02-03

Java – conditional insertion using spring JPA / Hibernate

I am developing a project running in a cluster environment with many nodes and a database The project uses spring data……

Java

2020-02-03

Java – a 0-byte file appears when capturing a screen through screensap

I had trouble capturing the screen of a non - rooted phone I tried this command on my computer: adb shell /system/bin/……

Java

2020-02-03

Java – rxtx cannot list or find ports under Windows 7 64 bit

good morning, I'm having trouble using and / or installing rxtx on Windows 7 64 bit I used to have no problem using it……

Java

2020-02-03

Java – how to use jet’s let encryption certificate?

I want to use let's encrypt certificates and a large number of jetty servers One problem is that the certificate from ……

Java

2020-02-03

Java – how to rerun failed tests in Espresso? – Brainstorm

I want to find out how to rerun failed tests using espresso I think from the common JUnit test cases, this is a little……

Java

2020-02-03

Java EE – what Maven dependencies can I use to create a separate JMS client for GlassFish?

I want to create a very simple JMS standalone client for JMS topics hosted on my GlassFish server My project was built……

Java

2020-02-03

Java – in identity The @ picketlink annotation class is not used in login()

I'm trying to use the @ picketlinked class that extends baseauthenticator My setting is about wildlife 9.0 2. Final ea……

Java

2020-02-03

How to make Java hashtable Containskey is applicable to array?

I'm sorry to ask this question, but I'm new to Java Hashtable<byte[],byte[]> map = new Hashtable<byte[],byte[……

Java

2020-02-03

Java – finalized has 2.5 gigabytes of memory in 4 gigabytes

I have read many articles about how finalizers work. Here is my understanding: if a class has implemented the finalize……

Java

2020-02-03

java. net. Socketexception: invalid request: invalid mode

I have an application running on Google App Engine, which is the back end of Android applications It is basically a br……

Java

2020-02-03

Java – submit scores to Google play game leaderboard and display new rankings

I'm working on a game in which scores are submitted to the leaderboard in the activity, and new scores are displayed i……

Java

2020-02-03

Multithreading – how do I do the same calculations faster on a 4-core CPU: 4 threads or 50 threads?

Let's assume that we have a fixed amount of computing work, no blocking, sleep, I / O waiting This work can be well pa……

Java

2020-02-03

Effective method for creating string from char [], start, length

We are using java Sax to parse very large XML files Our roles are as follows: @Override public void characters(char ch……

Java

2020-02-03

Java – why are some methods on jconsole disabled

I can see that some methods on jconsole are disabled The following shows com sun. management. Screenshot of threadmxbe……

Java

2020-02-03

Java – how to select the correct list implementation?

From this codereview answer, I also tend to use fairly large ArrayLists, and I don't see the logic to choose other lis……

Java

2020-02-03

Java – MapReduce job in headless environment failed n times due to am container exception started by the container

When running a map reduction job in a headless environment in Mac OS X (for example, when running a job as a specific ……

Java

2020-02-03

Compile my project using java 7, but run my tests in gradle using java 8

I'm currently deploying my war to a WebLogic Server that supports Java 7, but I want to use Java 8.0 in my selenium an……

Java

2020-02-03

Java – generics using arrayadapters

I encountered a problem trying to create a generic arrayadapter This may be related to my limited understanding of gen……

Java

2020-02-03

Data type of Java arithmetic calculation result

In Java, I know that the data type of arithmetic calculation results depends on the data type of numbers involved in t……

Java

2020-02-03

Java – unable to connect to spring 4 websocket using sockjs stomp over socket

Try using sockjs to use spring 4 websocket with stomp on the socket My configuration: websocket. XML – part of the spr……

Java

2020-02-03

Java – Blank Icon in Windows 10 notifications

My java application displays its icons on the system tray using code that looks more or less like: Toolkit mainToolkit……

Java

2020-02-03

Multithreading – is this the correct way to set the thread name in Delphi 6?

resolvent

Java

2020-02-03

JSF – how to generate javax without ‘ID’ and ‘autocomplete’ attributes faces. Viewstate hide field

This is what I have in the output HTML document (generated by JSF 2.0 / mojarra 2.0.3): @ h_ 502_ 2@ My document shoul……

Java

2020-02-03

Java – log4j2 logging occurs on the wrong path

I deployed an ear in Weblogic and put log4j2 XML logpath set to <Property name="logPath">some_path_1<Property……

Java

2020-02-03

Java – spring MVC on gae: slow load time

I recently deployed a spring MVC application to Google application engine. The initial loading time is about 7 seconds……

Java

2020-02-03

Dynamic binding = = late binding in Java or not?

I have read about this topic from different sources For example, Wikipedia says: But then a few lines So what's the tr……

Java

2020-02-03

Java – how to persist entities from non entity subclasses in Hibernate

I'm trying to extend an entity to a non entity to fill in the fields of the superclass The problem is that hibernate t……

Java

2020-02-03

Java – ant contains external jar

I want to include an external jar. Jar in my java project I'm using ants External Jar is located in the Lib folder My ……

Java

2020-02-03

Java – prevents the use of non thread safe methods in a multithreaded context

Is there any way to throw an exception when a user tries to use a class's non thread safe method in a multithreaded co……

Java

2020-02-03

Java – realm: create a relationship by ID

Suppose I have several domain objects (tables) with many connections between them, and I haven't pre filled all the ob……

Java

2020-02-03

Multithreading – Perl threads: how to make a producer?

I have a feature that runs very slowly I need to enter this function in the main part of the program So I want to do s……

Java

2020-02-03

搜索内容

Java – hibernate does not get the null value of the field in the database record

Java – conditional insertion using spring JPA / Hibernate

Java – a 0-byte file appears when capturing a screen through screensap

Java – rxtx cannot list or find ports under Windows 7 64 bit

Java – how to use jet’s let encryption certificate?

Java – how to rerun failed tests in Espresso? – Brainstorm

Java EE – what Maven dependencies can I use to create a separate JMS client for GlassFish?

Java – in identity The @ picketlink annotation class is not used in login()

How to make Java hashtable Containskey is applicable to array?

Java – finalized has 2.5 gigabytes of memory in 4 gigabytes

java. net. Socketexception: invalid request: invalid mode

Java – submit scores to Google play game leaderboard and display new rankings

Multithreading – how do I do the same calculations faster on a 4-core CPU: 4 threads or 50 threads?

Effective method for creating string from char [], start, length

Java – why are some methods on jconsole disabled

Java – how to select the correct list implementation?

Java – MapReduce job in headless environment failed n times due to am container exception started by the container

Compile my project using java 7, but run my tests in gradle using java 8

Java – generics using arrayadapters

Data type of Java arithmetic calculation result

Java – unable to connect to spring 4 websocket using sockjs stomp over socket

Java – Blank Icon in Windows 10 notifications

Multithreading – is this the correct way to set the thread name in Delphi 6?

JSF – how to generate javax without ‘ID’ and ‘autocomplete’ attributes faces. Viewstate hide field

Java – log4j2 logging occurs on the wrong path

Java – spring MVC on gae: slow load time

Dynamic binding = = late binding in Java or not?

Java – how to persist entities from non entity subclasses in Hibernate

Java – ant contains external jar

Java – prevents the use of non thread safe methods in a multithreaded context

Java – realm: create a relationship by ID

Multithreading – Perl threads: how to make a producer?

Categories

Recent Posts

Tags