Java 归档 - Page 348 of 655

Java – getting, (#803) there is no error in some aliases you requested

When I try to get data from Facebook using the graphics API, I get this error, {"error": {"message":"(#803) Some of th……

Java

2020-01-23

Java – how do I check if a byte array is empty?

I am using the following code to get the uploaded file @POST @Path("update") @Consumes(MediaType.WILDCARD) ……

Java

2020-01-23

Java – can regular expressions be used for jetty’s servlet mapping?

I have this mapping <servlet-mapping> <servlet-name>service</servlet-name> <url-pattern>/servi……

Java

2020-01-23

Java – the eclipse debugger “skips” important code

I have a strange problem debugging Android applications // Get the puzzles from cache List<PuzzleDetails> newPuz……

Java

2020-01-23

Java – how to create gradle sharedmanifest for multiple projects?

I have several Java projects These projects use gradle to create jar, war, and ear files In each project, I use manife……

Java

2020-01-23

Java – how to set the canvas size?

I have a class called seatspanel. I draw seats in the OnDraw method (using drawRect) The OnDraw method uses canvas as ……

Java

2020-01-23

Java – number of recorders used

I am working with a very large Java application using log4j, and I wonder if there is a way to extract the number of a……

Java

2020-01-23

Java – understand the order of elements in the stream generated from the HashSet

I read this official JAVA 8 document: Try to understand the above behavior through this code public class StreamOrderV……

Java

2020-01-23

Java – exact sum of long arrays

To get the exact sum of long [], I am using the following code snippet public static BigInteger sum(long[] a) { lo……

Java

2020-01-23

Java – Concurrent HashMap: check size

Concurrent HashMap can solve the synchronization problem seen in HashMap Therefore, if we work with a synchronization ……

Java

2020-01-23

Fonts – extract geometry from font

I want to be able to extract the geometry of each letter in the TrueType font file Each letter has a set of coordinate……

Java

2020-01-23

Spring batch differences between multithreading and partitioning

I can't understand the difference between multithreading and partitioning in spring batch processing The implementatio……

Java

2020-01-23

Java – create Maven project, unable to parse prototype, reject connection

I suspect I have Maven agency problems When I create a new project: 1) File – > New – > Maven project 2) I choos……

Java

2020-01-23

Java – exception thrown when connecting to JMX server in spring!

So when I try to connect to JMX from jconsole, I get this exception: Caused by: java.rmi.ConnectException: Connection ……

Java

2020-01-23

Java scriptengine: use values on the Java side?

In the Java program, I am calling a user-defined JavaScript program: File userJSFile=...; javax.script.ScriptEngineMan……

Java

2020-01-23

Java – add jdbc driver to classpath

OK, I set up my Maven correctly on win vista_ HOME,JAVA_ HOME. But I don't have a course path yet I also installed mys……

Java

2020-01-23

Java – libgdx: how to animate on an isometric tile map?

I have some questions about libgdx and Pingpu map I can use isometric tiled maprenderer as a renderer and orthographic……

Java

2020-01-23

Java – how to ignore attributes with null values during deserialization from JSON

I am trying to deserialize a JSON string into a concurrenthashmap object, and I receive an error because my JSON conta……

Java

2020-01-23

How to use the system Use multiple scanner objects on in?

What is the correct way to use multiple scanner objects in my program For example, I use a scanner to read a file, and……

Java

2020-01-23

Java – activate SQL statements using hibernate and spring data JPA

I have a spring data JPA repository that uses hibernate as a provider I want to record SQL statements, but I can't I'v……

Java

2020-01-23

Prime factorization of Java display numbers

Therefore, for my task, I must write a program that requires the user to input an integer, and then print out the prim……

Java

2020-01-23

Java server faces: validate only in the business logic layer

I have a java server faces web application and I'm not sure how to handle validation In my opinion, validation should ……

Java

2020-01-23

Use java to read files from the serial port

I'm a beginner in Java. I'm writing ("flash") GetBytes () like this to serialport Before I put flash_ After OK as a re……

Java

2020-01-23

Java Swing Mac OSX Preferences menu

I'm trying to add the Preferences menu to my java swing application, which proves a little disgusting I've read a lot ……

Java

2020-01-23

Java – unexpected results using repast Simphony

I need to use repast Simphony as a simulator to develop the Java version of the iterative prisoner's dilemma The idea ……

Java

2020-01-22

Java – is there a way to force eclipse to automatically clean up every run?

I'm developing and using eclipse to create an APK for Android, which also has an APK with C code So file My problem is……

Java

2020-01-22

The difference between kotlin and Java string is separate from regex

If we have a Val TXT: kotlin String =“1; 2; 3;” And like to split it into digital arrays, we can try the following met……

Java

2020-01-22

Java – design problem: Reservation System

I have to design and implement a reservation system for the hotel I have >Array list of reservation Objects > ar……

Java

2020-01-22

Java – shuffling array in multithreading

I have an array of size n I want to shuffle its elements in 2 threads (or more) Each thread should use its own array p……

Java

2020-01-22

Java – JAXB and inheritance in Collections

How do I map (through JAXB in Java 1.6) collections to XML and XML, and where class mapping{ @XmlElementWrapper(na……

Java

2020-01-22

Java – nginx: when nginx is used as the reverse proxy, can the response header be captured in the access log?

We use nginx as a reverse proxy to control and record access to clojure (Java) web service applications We can use ngi……

Java

2020-01-22

Java implementation of intervaltree deletenode

I need an intervaltree or rangetree implementation in Java and can't find an implementation with work deletion support……

Java

2020-01-22

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Java – getting, (#803) there is no error in some aliases you requested

Java – how do I check if a byte array is empty?

Java – can regular expressions be used for jetty’s servlet mapping?

Java – the eclipse debugger “skips” important code

Java – how to create gradle sharedmanifest for multiple projects?

Java – how to set the canvas size?

Java – number of recorders used

Java – understand the order of elements in the stream generated from the HashSet

Java – exact sum of long arrays

Java – Concurrent HashMap: check size

Fonts – extract geometry from font

Spring batch differences between multithreading and partitioning

Java – create Maven project, unable to parse prototype, reject connection

Java – exception thrown when connecting to JMX server in spring!

Java scriptengine: use values on the Java side?

Java – add jdbc driver to classpath

Java – libgdx: how to animate on an isometric tile map?

Java – how to ignore attributes with null values during deserialization from JSON

How to use the system Use multiple scanner objects on in?

Java – activate SQL statements using hibernate and spring data JPA

Prime factorization of Java display numbers

Java server faces: validate only in the business logic layer

Use java to read files from the serial port

Java Swing Mac OSX Preferences menu

Java – unexpected results using repast Simphony

Java – is there a way to force eclipse to automatically clean up every run?

The difference between kotlin and Java string is separate from regex

Java – design problem: Reservation System

Java – shuffling array in multithreading

Java – JAXB and inheritance in Collections

Java – nginx: when nginx is used as the reverse proxy, can the response header be captured in the access log?

Java implementation of intervaltree deletenode

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