LxLxBlog

Java – shorten method / variable names?

Whether using long is considered a bad style, but descriptive method names such as "adjacetlocationsbystate()" if so, ……

Java

2019-12-22

Java – use the Apache httpcomponents client to sign AWS HTTP requests

I am trying to send an HTTP request to the AWS elasticsearch domain protected by Iam access policy I need to sign thes……

Java

2019-12-22

Java – @ createdby how does it work in spring data JPA?

I used @ createddate on the entity attribute, and I saw it insert the date in dB I don't understand the purpose of @ c……

Java

2019-12-22

Java – how to index date fields in Lucene

I'm new to Lucene I must index the date field IndexWriter writer = new IndexWriter(FSDirectory.open(indexDir),new Whit……

Java

2019-12-22

Jsr-305 annotation replaces Java 9

So far, we have been using findbugs jsr-305 annotation (COM. Google. Code. Findbugs: jsr305), and everything including……

Java

2019-12-22

Java 8 function interface assignment context

The question is about the allocation background of the functional interface – Predicate<String> p = String::isEm……

Java

2019-12-22

Java spring boot: I’m trying to add the CacheControl header to the responseentity

I'm not very good in Java spring, but I want to add cache control header to my responseentity @RequestMapping(value = ……

Java

2019-12-22

How to use opensh private key in Java?

I am generating a DSA key using the following command: ssh-keygen -t dsa Then, I try to sign the data using the bounc……

Java

2019-12-22

java. Lang. outofmemoryerror: Web application usage on permgen space

I am trying to deal with the recent OUTOFMEMORY permgen problem One of the log fragments saved when an error occurs: j……

Java

2019-12-22

Java – why close () an input stream?

I have rich experience in Java programming language But I've been thinking, why close () Java io. What about InputStre……

Java

2019-12-22

Valgrind and Java

I want to use Valgrind 3.7 0 to find a memory leak in my java native code I'm using jdk1 6.0._ twenty-nine To do this,……

Java

2019-12-22

Is the Java – bouncy castle API thread safe?

Is bouncy castle API thread safe? especially, org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher org.bouncycas……

Java

2019-12-22

Dataoutputstream gives me a ‘Java io. IOException: unexpected end of stream ‘?

I'm trying to use httpurlconnection to send a request from an Android application to WebService But sometimes it works……

Java

2019-12-22

Java – split main and test in gradle’s eclipse build

Today, I tried to switch integration testing from Maven to gradle Everything is fine except that I have a serious prob……

Java

2019-12-22

Priority queue using Multimap – Java

I must use Multimap to implement priority queue I use Multimap in Google collections Multimap<Integer,String> mu……

Java

2019-12-22

Java – use selenium to handle pop ups

I have a situation where I click on the link page to open a pop-up window When the pop-up window is opened, the focus ……

Java

2019-12-22

Java methods that reference singleton objects at the same time

I have a question about multithreaded method calls in Java Suppose we have a singleton object whose class declaration ……

Java

2019-12-22

Java – JUnit test inheritance does not work

public abstract class GenericTests<T extends Number> { public abstract class GenericTests<T extends Number>……

Java

2019-12-22

Multithreading – you can cancel qfuture and report progress

The qfuture class has some methods, such as cancel(), progressvalue(), and so on These can be monitored by qfuturewatc……

Java

2019-12-22

Stanford’s POS tagger is used in Java

Mar 9,2011 1:22:06 PM edu.stanford.nlp.process.PTBLexer next Mar 9,2011 1:22:06 PM edu.stanford.nlp.process.PTBLexer n……

Java

2019-12-22

Java – how to correctly handle exceptions in JSP / servlet applications?

How to correctly handle errors encountered in servlets? Now, the application I inherited (using only pure jsp / servle……

Java

2019-12-22

Java – how to synchronize play services real-time multiplayer games

I'm using libgdx to develop an online version of the popular game pong I've started using Google's real-time multiplay……

Java

2019-12-22

Java – how to add a row of data to JTable from the values received in jtextfield and combobox

I have a JFrame form with jtextfields, JCombo@R_759_2419 @Wait, I can receive these values to variables. Now I want to……

Java

2019-12-22

Multithreading – Perl multithreaded programs occasionally crash

I wrote a program using multithreading in Perl I am using this program to understand how multithreading is implemented……

Java

2019-12-22

Java – how to create a polygon in JTS when we have a coordinate list?

We can use this coordinate list to create a linestring: Geometry g1 = new GeometryFactory().createLineString(coordinat……

Java

2019-12-22

java – Google Protobuf ByteString vs. Byte []

I'm using Google's protobuf in Java I don't know what bytestring is I get the following definitions from the protobuf ……

Java

2019-12-22

What is the best open source web crawler tool written in Java?

What is the best open source web crawler tool written in Java Solution Try crawler4j You only need to implement a simp……

Java

2019-12-22

Java code for converting country code alpha-2 (in) to alpha 3 (ind)

Using Java, is there a quick way to convert alpha-2 country codes (in or GB) I can get alpha-2 Code: String[] codes = ……

Java

2019-12-22

Use JDBC realm to authenticate Shiro

I'm trying to use Shiro to verify the servlet running in Tomcat 6 I have the following Shiro INI file: [main] ps = org……

Java

2019-12-22

Java – interpreting type classes in Haskell

I am a C / Java programmer. The main example I use in daily programming is OOP In some threads, I read a comment that ……

Java

2019-12-22

Java – how to avoid using exception flow control?

I was assigned a project to develop a set of classes that act as interfaces to storage systems One requirement is that……

Java

2019-12-22

java – org. hibernate. Annotationexception: the referencedcolumnnames reference is not mapped to a single property

I encountered the following exception when mapping one-to-one between two entities The first entity embeds a composite……

Java

2019-12-22

搜索内容

Java – shorten method / variable names?

Java – use the Apache httpcomponents client to sign AWS HTTP requests

Java – @ createdby how does it work in spring data JPA?

Java – how to index date fields in Lucene

Jsr-305 annotation replaces Java 9

Java 8 function interface assignment context

Java spring boot: I’m trying to add the CacheControl header to the responseentity

How to use opensh private key in Java?

java. Lang. outofmemoryerror: Web application usage on permgen space

Java – why close () an input stream?

Valgrind and Java

Is the Java – bouncy castle API thread safe?

Dataoutputstream gives me a ‘Java io. IOException: unexpected end of stream ‘?

Java – split main and test in gradle’s eclipse build

Priority queue using Multimap – Java

Java – use selenium to handle pop ups

Java methods that reference singleton objects at the same time

Java – JUnit test inheritance does not work

Multithreading – you can cancel qfuture and report progress

Stanford’s POS tagger is used in Java

Java – how to correctly handle exceptions in JSP / servlet applications?

Java – how to synchronize play services real-time multiplayer games

Java – how to add a row of data to JTable from the values received in jtextfield and combobox

Multithreading – Perl multithreaded programs occasionally crash

Java – how to create a polygon in JTS when we have a coordinate list?

java – Google Protobuf ByteString vs. Byte []

What is the best open source web crawler tool written in Java?

Java code for converting country code alpha-2 (in) to alpha 3 (ind)

Use JDBC realm to authenticate Shiro

Java – interpreting type classes in Haskell

Java – how to avoid using exception flow control?

java – org. hibernate. Annotationexception: the referencedcolumnnames reference is not mapped to a single property

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