Java
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Copy data files when building in Java / eclipse
With my java source code, I have some data files that I want to copy to the build directory when the source code is bu…… -
Java – environment variable classpath < > classpath of clojure Why?
Here, I check the environment variable classpath Here, I examine what Java thinks it is daniel @ daniel-laptop：〜/ ps…… -
Java – how to correctly escape triple nested quotation marks in JSP Tags
We have just upgraded Tomcat. The newer Tomcat does not like to nest quotation marks in tags, so we must alternate bet…… -
Grand central dispatch – use ‘sync’ to schedule queues and use with What is the difference between work items marked by wait?
I'm learning Apple's GCD and watching the video concurrent programming with GCD in swift 3 At 16:00 in this video, a f…… -
Java okhttp3 only uses http / 1.1 or http / 2
Try to execute some test cases for HTTP requests I want to distinguish between http / 1.1 and HTTP / 2.0 To do this, I…… -
Multithreading – is Delphi 2009 wait chain traversal provided in Windows 7 installation?
According to the "new features of Delphi 2009", there is a new debugger function called "waiting chain traversal" In p…… -
What happens if you use deprecated methods / functions in Java?
Any problems with using deprecated features in Java? If so, why keep this function? Is it a bad habit to use disapprov…… -
Java – numberofviewsinsession and multiple tags
I have a big problem with my application and memory The application (Java with JSF / RichFaces / facelet) is used by a…… -
Does Java – mockito have the same idiom as jmock’s country?
The book "object oriented software" provides several examples in jmock, in which the state is explicit and will not be…… -
Java – why do I need to provide closed class objects instead of closed class objects
class OuterA { class OuterA { class InnerA { } } class SubclassC extends OuterA.InnerA { SubclassC(OuterA…… -
How to use $. Of jQuery in async / await and typescript Post() method
My await statement in the asynchronous function is $. For jQuery Call of post() method, which returns a valid promise,…… -
“Java.net.socketexception: socket closed” when reading S3 file
I'm trying to read the CSV text file from S3 and send each line to the distributed queue for processing When trying to…… -
Java – extract main content (highest text density) web pages from news articles
I want to make a code to extract the main news from the news website News websites contain major news, advertisements,…… -
Java – mysterious comments in JDK source code: / / HD, section 2-1
I just stumbled upon this comment public static int lowestOneBit(int i) { // HD,Section 2-1 return i & -i;…… -
Java – how to configure embedded jetty to access Jersey resources?
I'm trying to configure embedded jetty to talk to my jersey resources, but I can't figure out how to do this I've trie…… -
Java – select “name” in jsoup
I have multiple divs in the web page URL. I have to resolve that they have the same class name, but different names ha…… -
Java – Maven / Eclipse: no meta-inf / persistence.inf found in the classpath XML file
I know other problems about this problem, but no solution is useful to me I am using Maven to build a java project in …… -
First, the Java 8 stream is used, and then forEach (…) is called.
I have a CSV file, the first line contains the title So I think using java 8 stream is perfect try (Stream<String&g…… -
How to kill these code blocks in Java?
caller: switch (type){ case "creature": Creature returnActor2 = getNextCreature(); …… -
Java – with mockito Strange generic edge cases inferred by when () and generic types
I'm writing a Java. Net using mockito beans. For the test case of propertydescriptor, I want to laugh at the behavior …… -
Java – jax-ws client: maintaining sessions / cookies in multiple services
I use NetBeans to automatically create web service clients from WSDL files This is good, except that the web services …… -
Java – the queue is completely wrong. Cooperate with multiple consumers and producers
I want to simulate the following scenario: multiple users and producer threads are modifying some data establish Block…… -
Java – where are the private instance variables of the abstract class created in the heap?
abstract class A { abstract class A { private int a; public A(int x) { a = x; } public int get…… -
Java – liquibase hibernate plug-in does not work
As stated herein（ https://github.com/liquibase/liquibase-hibernate/issues/74 ）I encountered a problem making the liq…… -
Java – Preparedstatement cache – what does it mean (how does it work)
I'm using, for example, c3p0 and some defined "maxstatements" for preparestatement caching Now I send a prepared decla…… -
JPA cascading persistent error
I have a one - to - many relationship: product category can contain many products This is the code: @Entity public cla…… -
Java – unable to import org.xml junit. Assert. AssertThat;
I can't import org. In my program junit. Assert. AssertThat. I use Ganymede and JUnit 4.8 one Solution Static import I…… -
Java byte array conversion problem
I have a string that contains a series of bits (such as "01100011") and some integers in the while loop For example: w…… -
Java – how do I add interceptors to all API requests except one or two?
I know that an interceptor can be added to all requests through okhttpclient, but I want to know whether headers can b…… -
Java – Dynamic parsing logic operation – and, or, loop condition
I have an incoming record filter stored with logical clauses, as shown below Acct1 = 'Y' AND Acct2 = 'N' AND Acct3 = '…… -
Java Optimization: (hotspot / Dalvik) optimize the return constant of the final method?
Anyone can tell me whether hotspot or Dalvik is smart enough to inline call the final method that returns the constant…… -
Java – a method that uses private members or public accessors
I realize that this may not be answered, but I'm looking for some guidance on whether to directly use public accessors……