Java 归档 - Page 348 of 655

Java – spring security displays “bad credentials” even before submitting the form

I have the following spring safety code, but it doesn't work When I open the login page and enter the user name / pass……

Java

2020-01-23

Java – how to terminate matcher Find() when it runs too long?

I want to know the technology of terminating long-running regular expression matching (Java matcher. Find () method) M……

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 compiler of JDK 1.6: how to write class bytes directly into byte [] array?

So I recently learned about the new Java compiler API provided in JDK 1.6 This allows string to be compiled directly f……

Java

2020-01-23

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 – 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 – bit strings: check whether one bitstring is a subset of another

I represent this group of English letters as a 26 bit string The first bit corresponds to 'a', the setting bit corresp……

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 – 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

Random enumeration of hash tables in Ocaml

Sorry, it's a long question I decided to explain the background of the problem first, because my problem may have othe……

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

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

What is the most valuable Java object database?

The most valuable Java object databases are: >Easy to use: one line of code stores any object. > Effective memor……

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 – 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

Java – how to calculate an average using mongodb and numberlong

I tried to use the mongodb Java driver to calculate the average value of the collection, as follows: DBObject conditio……

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

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 – ormlite – how to create objects and populate external collections?

I'm trying to create an object and populate the members of the external collection held by the object in an operation ……

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 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

java – Spring @Resource Handling

I'm at @ L_ 502_ There was a problem with the field annotated @ resource in the 0 @ bean Yes) I have: A field with set……

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

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 – in Hadoop map reduce, will any class see the entire key list after sorting and before partitioning?

I'm using Hadoop to analyze very uneven data distribution Some keys have thousands of values, but most have only one F……

Java

2020-01-22

Build a process pipeline using processbuilder in Java 7

I've been trying to figure out how to manage some processes in Java using the new process builder I can't find a suita……

Java

2020-01-22

How can this Recursive lambda be invoked in Java?

I recently encountered this code in Java It involves functions and printing Fibonacci numbers, and how it works public……

Java

2020-01-22

Does Java – akka’s event bus guarantee message order?

I want to keep the sequence of events entering the bus The problem is that if this order is guaranteed, whether on clu……

Java

2020-01-22

Multithreading – how to limit to asynchronous SEQ in f# Number of threads created by map operation?

The current setting is like this array |> Seq.map (fun item -> async { return f item}) |> Async.Parallel |>……

Java

2020-01-22

Java – read the jax-rs body InputStream twice

I have a jax-rs logging filter to record request and response details, as follows: public class LoggingFilter implemen……

Java

2020-01-22

Java generic return type is not used in parameter

In the Java library, I encountered a method that uses a generic return type, which is not used in any way in the param……

Java

2020-01-22

Java NiO zip filesystem is equivalent to Java util. zip. Setmethod() in zipentry

I have some existing code to create a zip file in ePub 2 format, which works properly When trying to update my code to……

Java

2020-01-22

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Java – spring security displays “bad credentials” even before submitting the form

Java – how to terminate matcher Find() when it runs too long?

Java – add jdbc driver to classpath

Java compiler of JDK 1.6: how to write class bytes directly into byte [] array?

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

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

Java – bit strings: check whether one bitstring is a subset of another

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

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

Random enumeration of hash tables in Ocaml

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

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

What is the most valuable Java object database?

Java – the eclipse debugger “skips” important code

Java – activate SQL statements using hibernate and spring data JPA

Java – how to calculate an average using mongodb and numberlong

Java – how to create gradle sharedmanifest for multiple projects?

Prime factorization of Java display numbers

Java – ormlite – how to create objects and populate external collections?

Java – how to set the canvas size?

Java server faces: validate only in the business logic layer

java – Spring @Resource Handling

Java – number of recorders used

Use java to read files from the serial port

Java – in Hadoop map reduce, will any class see the entire key list after sorting and before partitioning?

Build a process pipeline using processbuilder in Java 7

How can this Recursive lambda be invoked in Java?

Does Java – akka’s event bus guarantee message order?

Multithreading – how to limit to asynchronous SEQ in f# Number of threads created by map operation?

Java – read the jax-rs body InputStream twice

Java generic return type is not used in parameter

Java NiO zip filesystem is equivalent to Java util. zip. Setmethod() in zipentry

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