包含标签：Java 的文章
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Java – XHTML to PDF how to cache CSS using fly saucer
In my production pipeline, I need to generate hundreds of PDFs from HTML In this case, I first convert HTML to XHTML D…… -
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 – does AspectJ not capture all events in the spring framework?
My project is based on spring framework 2.5 4. I try to add aspects to some controllers (I use AspectJ 1.5.3) I'm at a…… -
Java – unable to understand class objects
The Oracle Java documentation on internal locks and synchronization says: I don't fully understand the concept of clas…… -
How do I store and reuse key pairs in Java?
I want to generate the key pair once and reuse it public static KeyPair generateKeyPair() throws Exception { K…… -
Java – how to use a custom runner when using categories in JUnit?
I have a bunch of JUnit tests that extend my basic test class basetest, which in turn extends assert Some of my tests …… -
Java – in IntelliJ, why should I clean up and build wars to see changes when I run Google App Engine locally?
I'm using the Google application engine to build wars, and I notice that whenever I make local changes, I don't apply …… -
Java – spring boot jsr-303 / 349 configuration
In my spring boot 1.5 In the application, I am trying to configure support for JSR - 303 / JSR - 349 authentication I …… -
Java – spring utilities cannot be resolved
I'm trying to use one of the Oracle GUI examples of spring utilities But eclipse gave me errors and could not resolve …… -
Test – guava ticker cache expired
Google guava tutorial says cache expiration can be tested with ticker According to my understanding, I can use it to f…… -
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…… -
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…… -
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…… -
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…… -
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 – 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 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 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…… -
Parsing ECC public / private key in Java (generated by GPG CLI)
I am trying to convert the ECC GPG key of armor to the corresponding Java class To generate the key pair I am using: G…… -
java – Deflater. Deflate and small output buffers
I saw a strange situation, using java 8u45's small output buffer and Java util. Deflater. When the deflate (byte [] B,…… -
java – System. Is the value returned by currenttimemillis() affected by the day light savings and leap second adjustments?
I know system Currenttimemillis () gives the millisecond time since the era, and it is very sensitive to the system wa…… -
Java – handling new exceptions in anonymous inner classes
I have the following situations: /** Get a list of records */ public ArrayList<Record> foo() throws BazException…… -
Java – how to use the expectedexception rule to test multiple exceptions in a test?
There are questions about the usage of JUnit's expectedexception rule: As suggested here, the JUnit expectedexception …… -
Java – what is the best way to test this? Binary number with 4 positions
Consider the four input fields a, B, C and D on the web surface. Users can fill in any of these There are 16 combinati…… -
Is there any library that provides a smooth way to build Java format strings?
The syntax of Java format strings may become complex, for example: "|%1$-10s|%2$-10s|%3$-20s|\n" Someone has created a…… -
Java – how to make two classes share the same variable definition
What I really need is to be able to declare regular variables in the interface and implement the interface in two clas…… -
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 …… -
Multithreading – the QApplication thread is frozen due to another qthread
In my QT application, I created a qthread, which should perform some heavy computing tasks regularly The main Q applic…… -
Java – direct field access in spring MVC 3
I want to use direct field access for "command objects" in spring MVC 3 Solution You can use the @ initbinder annotati…… -
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 – deserialization with @ jsonsubtypes without value – missing attribute error
I deserialize jsons like this: { "type":"a","payload" : {...} } The type of payload depends on the type My class: pu…… -
Java: disk based fast hash set
I need to store a large hash set that can contain up to 200 million 40 bit values It is acceptable to store it as a va……