Recent questions tagged java

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java - ThreadLocal to store ServletRequest and Response in servlet: what for?

Once I have came across a pattern, where ServletRequest and response objects are put to servlet's local ... these ThrealLocal local variables? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to Using Webdriver Selenium to get the value of "style" element

I want to check whether the value of a style element is greater than a particular value (i.e., is left > ... .out.println("value exceeding") } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java 8 - How do streams stop?

I was wondering when I created my own infinite stream with Stream.generate how the Streams which are in the ... in the same manner then? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Can I get application.wadl file using RESTeasy?

I need to get WADL file for RESTful service. I know that in case using jersey it's available as http:// ... the same in my framework case? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How do you implement position-sensitive zooming inside a JScrollPane?

I am trying to implement position-sensitive zooming inside a JScrollPane. The JScrollPane contains a component with a customized ... (r); } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - My fragments keep recreating whenever I reclick or navigate to the next fragment

I have implemented the new architecture component on my android app, but unfortunately handling the states of these ... me to Java, thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - jax ws getting client ip

I'm trying to retrieve the client IP with JAX-WS, I used: @Resource WebServiceContext wsContext; ... stand-alone application? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Tomcat 6, JMX and the dynamic port problem

after reading and trying a lot around, I have to ask if anyone has a solution for my problem. I am trying ... am stuck here? Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Opening an Excel file using the default program

My program successfully creates and fills a Excel(.xls) file. Once created, I would like the new file to open ... file:C:/foo.xls Suggestions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JPA or Hibernate - Joining tables on columns of different types

Is there a way to tell Hibernate to wrap a column in a to_char when using it to join to another table or conversely ... I have to deal with it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Convert List of Maps to single Map via streams

I query the DB for two columns where the first one is the key to the second one. How can I convert the resulting list ... -> s.get("value"))); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How do I generate random numbers in an array that add up to a defined total?

I need to randomly generate an array with 7 slots in Java. All these slots must have a value of at LEAST ... would total 15 in any order See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - HttpClient 4.1.1 returns 401 when authenticating with NTLM, browsers work fine

I'm trying to use the Apache/Jakarta HttpClient 4.1.1 to connect to an arbitrary web page using the given ... live without that if necessary. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Ellipse detection with OpenCV

I would like to detect ellipses with OpenCV for Android, using the Tutorial 2-Basic included with OpenCV 2.4.1 ... useful, please let me know. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - No console output in Eclipse Juno

Pretty straight forward. I've been working in Eclipse Juno for a while now and my console always worked. When ... happened in the first place. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring data mongodb search for ISO date

I am trying to search for date of birth using query criteria = Criteria.where("dob").lte(new DateTime().toDate( ... for dob in ISODate format ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How do I setup log4j properties so that each thread outputs to its own log file?

I have multiple instances of a thread class running at any given time. I have log4j setup to be used for ... . Any help is much appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to determine if GraphicsEnvironment exists

I have an application that needs user input for password. What i want to do is to either read the ... graphics environment? Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to extract a single file from a remote archive file?

Given URL of an archive (e.g. a zip file) Full name (including path) of a file inside that archive I' ... tarballs is also important for me. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - how to read all cell value using Apache POI?

I want to read all cell value from excel sheet using Apache POI and store it into one dimensional string array ... to solve this problem. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java native interface - android - javah doesn't find my class

I am having troubles generating the C header file for JNI using javah. Here's the script I use while standing in ... . What am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - HTTP request for XML file

I'm trying to use Flurry Analytics for my program on Android and I'm having trouble getting the xml file itself from ... Exception = " + e); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Jackson deserialization of type with different objects

I have a result from a web service that returns either a boolean value or a singleton map, e.g. Boolean result: ... = valueNode.asInt(); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What is the difference between <% ... %> and <%! ... %> in jsp

I am adding some more functionality to a page that has the two tags mentioned in the title. I noticed that the ... be used in the two tags See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android parse Json array of Strings

How can I parse in Android a Json array of strings and save it in a java string array ( like: xy[ ] ) ... one street item listed in the spinner. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to change the snapshot shown by recent apps list?

In the newer versions of Android (> 3.0) there is an onscreen button that will display a list of the recent ... rather than let the OS decide? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Log4j is hanging my application what am I doing wrong?

First some background on the application. I have an application processing many independent tasks in parallel via a ... .run(Thread.java:619) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Very simple prime number test - I think I'm not understanding the for loop

I am practicing past exam papers for a basic java exam, and I am finding it difficult to make a for loop ... more efficient way of doing it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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