Recent questions tagged JAVA

0 votes

366 views

1 answer

java - Eclipse Lombok annotations not compiled... Why?

I have a problem with my project. It is an Spring CRUD RestFul API that expose services witch are providing ... about this kind of problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

235 views

1 answer

java - pass data to another fragment by swipe view with tab android studio,not button

Is it possible to pass a data from fragment to fragment by swipe? There are many articles teaching us how to ... button in the last fragment. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

215 views

1 answer

java - What's the proper way to handle JDBC connections with Spring and DBCP?

I'm using the Spring MVC to build a thin layer on top of a SQL Server database. When I began testing, it ... C3P0 considering it's kinda dead? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

194 views

1 answer

java - Jenkins inject environment variable

In a Jenkins job I'm doing a couple of actions that reside in the pre-step build, such as executing a shell ... a pre-step into my Java code. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

505 views

1 answer

java - How do I fix UnsupportedCharsetException in Eclipse Kepler/Luna with Jython/PyDev?

Example code: from java.lang import System if __name__ == '__main__': [System.out.print(x) for x in "Python ... , and the same thing happens. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

180 views

1 answer

java - NullPointer in log during first connection to database

I get a NullPointerException on the console of my tomcat at my first connection to the database with ... )--initializing session manager See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

169 views

1 answer

java - Column name as a parameter to Spring Data JPA Query

Is there a way to inject an Entity property dynamically to @Query? My need is to implement a method like follows ... simple ways of doing this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

272 views

1 answer

java - Simplest Ivy code to programmatically retrieve dependency from Maven Central

I find the Ivy API to be immensely complicated. What is the simplest possible snippet to retrieve an artifact ... :jar into /my/destination. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

276 views

1 answer

java - Override DropWizard ConstraintViolation message

So I want to change the validation messages used to validate a model through a DropWizard resource. I'm using java ... set in the annotation... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

312 views

1 answer

java - Passing a space-separated System Property via a shell script doesn't work

I have this bash file: #/bin/bash PROP="-Dprop=foo bar" java $PROP -jar Foo.jar So, what I want ... space character but nothing seems to work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

246 views

1 answer

java - Setting Djava.library.path programmatically (or alternatives)?

I am looking to set the VM argument Djava.library.path programmatically. If this can't be done, what are the alternatives (if there are any)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

143 views

1 answer

java - Single Instance of Activity

My application has three activities say A -> B-> C. Activity A is called from another activity through ... activity:launchMode as SingleTask). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

427 views

1 answer

java - FTPClient corrupts the images while uploading to ftp server on android?

I'm trying to upload images to a FTP server (on my local PC) from Android Phone (HTC Desire HD). Images ... catch block e.printStackTrace(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

213 views

1 answer

java - Portable Device Path on Windows

I've actually got an Windows/Java Question. I've got a plugged-in device which I want to access via Java ... feature? thanks for your help Ripei See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

282 views

1 answer

java - Public members in package private class

I wonder if it's okay (not considered bad practice) to have public members in package private class. I tend to ... classes in the package } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

375 views

1 answer

java - Double Buffering with awt

Is double buffering (in java) possible with awt? Currently, I'm aware that swing should not be used with awt, ... . Thanks for your time :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

172 views

1 answer

java - Using the letter L in long variable declaration

long l2 = 32; When I use the above statement, I don't get an error (I did not used l at the end) ... l is not mandatory for long variables. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

268 views

1 answer

java - ClassNotFoundException with ServletContextlistener

I get an exception whenever I try getting context parameter from we.XML into a ServletContextListener class, I am ... breed; } } many thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

349 views

1 answer

java - Install xlsx and rJava on macOS Mavericks 10.9.5

Its being a real nightmare to install rjava on my Mac. My setup: MacOS 10.9.5 Java: 7u71 (64 bits dowloaded ... also got the same error. Ideias? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

623 views

1 answer

java - How to make the junit tests use the embedded mongoDB in a springboot application?

I am learning springboot and have created a simple springboot application. I want it to use the embedded mongoDB ... to an embedded Mongo? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

315 views

1 answer

java - How to convert UTF8 to Unicode

I try to convert a UTF8 string to a Java Unicode string. String question = request.getParameter("searchWord"); byte[] ... . Where do I go wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

130 views

1 answer

java - Duplicate local variable(For Loops)

I'm trying to solve an assignment (I'm still very new to Java) and have combed through many resources to ... mistake by declaring it before. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

125 views

1 answer

java - android get screen size via C

i want to get screen size via c. i know that jni support calling java from c. but is there any person ... /graphics is related to my questions See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

139 views

1 answer

java - NullPointerException when setting attribute?

For example I have a servlet code that sets attribute to a HttpServletRequest: request.setAttribute("someValue", ... doGet(SomeServlet.java:159) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

325 views

1 answer

java - WSO2 ESB Unable to convert complete JSON data to XML

I am constructing a POC. And I created a pass through proxy service for Google Plus. Without using any proxy ... converts it into json data. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

129 views

1 answer

java - Using GetDirectBufferAddress from JNI

I am trying to understand how to use GetDirectBufferAddress from the JNI layer. To understand I've build a very ... the ByteBuffer usage in JNI? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

244 views

1 answer

java - Two newly created objects seem to refer to the same address

I'm programming in Java for only a few months so I'm not that experienced with Java (some tricks and the basic ... this.numbers = numbers; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

280 views

1 answer

java - How to configure Tomcat to not encode the session id into the URL when HttpServletResponse.encodeURL() is invoked

Seems like a stupid question to which the answer would be "Don't use encodeURL()!" but I'm working ... an equivalent config option for Tomcat. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Just Browsing Browsing

Most popular tags