LxLxBlog

Java – get the full string stack trace containing the inner exception

Java's e.printstacktrace() does not print all the details of the stack trace of the inner exception Is there a ready w……

Java

2020-02-11

Algorithm – the large O and Ω of the worst-case running time are the best cases, but why do you sometimes use Ω in the worst case?

I'm confused. I think you use big O runtime in the worst case. Ω is the best case? Can anyone explain? Not (LG n) the ……

Java

2020-02-11

Java – if you have only one write thread, do you need special concurrency?

Assumptions: >Only one specific thread can set a reference field (not long or double, so writing it is atomic) >……

Java

2020-02-11

Java – jtextarea auto wrap resize

So, I'm at JPanel (@ r_104_ 2419@Layout ）Jtextarea. On I also have @ R_ 104_ 2419 @ the stuffer fills the rest of the……

Java

2020-02-11

Java – how to serialize classes?

When I insert the list into mongodb, there is a problem: Exception in thread "main" java.lang.IllegalArgumentException……

Java

2020-02-11

Java – converts MIDI counts to names and octaves

Does anyone know anything in the Java world that maps MIDI note numbers to specific note names and octaves For example……

Java

2020-02-11

Java – how to define the OSGi bundle startup level?

How to define the OSGi package startup level? I am using Apache Felix and want to maintain the starting level through ……

Java

2020-02-11

Convert the conversion date in Java to an integer and then to Delphi time

I have a server device configuration. I need to use UDP to change the equipment date configuration The server is writt……

Java

2020-02-11

Java – check the checkbox selection in the listener

At present, we are working hard, but Jface has encountered a small problem This is the code Button btnConfirm = new Bu……

Java

2020-02-11

Java – when does recursive backtracking apply?

I'm creating a sudokusolver for a class, and I'm having trouble solving it My current solution uses recursive backtrac……

Java

2020-02-11

How to correctly use @ checkfornull, @ nonnull and @ nullable annotations of findbugs

I want to formally annotate my function signature to clarify their contract - especially if NULL params and return val……

Java

2020-02-11

Java – why does a single threaded process execute on multiple processors / cores?

Say I run a simple single threaded process, as follows: public class SirCountALot { public static void main(String……

Java

2020-02-11

Java – JAXB: how to annotate classes to belong to different namespaces?

I want classes with JAXB annotations What I need is: What should I do? Is it programmable? (JAXB. XJB binding file is ……

Java

2020-02-11

Java – get enumeration values through reflection

I have an enumeration like this: public enum Mode{ RUNNING("SytemRunning"),STOPPED("SystemStopped"),IDLE("tmpIdle");……

Java

2020-02-11

Java httpurlconnection – post with cookie

I want to send a release request with cookies This is the code: try { String query = URLEncoder.encode("key","UTF……

Java

2020-02-11

Java – convert small endian files to large endian files

How to convert a liitle endian binary file into a large endian binary file I have a binary file written in C. I read t……

Java

2020-02-11

Java – when the field vars is final, do you need a getter?

In Java, the Convention (for me) is to make your field variables private and use getters and / or setters to access th……

Java

2020-02-11

Java – how to reload a resource package in a web application?

I use the resource bundle as a Java class to read values from the database When I update dB, I need to reload the bund……

Java

2020-02-11

Java – access annotations in UIMA

Is there any way in UIMA to access annotations from tokens as they are in the CAS debugger GUI? Of course you can acce……

Java

2020-02-11

Java – httpurlconnection conn.getrequestproperty returns null

I'm trying to push some data to the URL of BES (mds_cs) @ h_ 502_ 2 @ when I set some request headers in my code and s……

Java

2020-02-11

Java – play 2.5 3: Use dependency injection to get configuration values

I tried to migrate a play framework application from 2.4 to 2.5 3, and I have questions from application Conf file get……

Java

2020-02-11

Java – get a file from a remote mercurial repository

Is there a way to programmatically download a single file from a Java Remote mercurial repository? I asked a very simi……

Java

2020-02-11

Java – how to get the size of the visible part of a JScrollPane based window

This JScrollPane - based window is the top - level part of jsplitpane Getbounds(), getwidth(), getheight() return the ……

Java

2020-02-11

Java, httpurlconnection, and set the content length

I am setting the length of the content in my httpurlconnection for put urlConnection.setRequestProperty("Content-Lengt……

Java

2020-02-11

The class generated by Java – querydsl cannot access the second level element for query

I use querydsl with spring data JPA in my java project, and use the file generated by querydsl Maven plug-in to use th……

Java

2020-02-11

Java – internal class extension

In Java, I have the following classes: public class A{ protected class B{ } } Can internal classes be extended in ……

Java

2020-02-11

Java – Jersey: injectableprovider doesn’t pick up – spring

resolvent

Java

2020-02-11

Rest Java Web services use protobuf

I want to use Java & protobuf Anyone can point out where to start or how to achieve it? Any good tutorials? thank ……

Java

2020-02-11

JComponent. How does paintimmediately () run in Java swing?

My understanding: public class PaintingDemo { public static void main(String[] args) { final JFrame frame……

Java

2020-02-11

Java – guava eventbus scheduling

I use guava's eventbus to start some processing and report results This is a very simple compiled example: import com.……

Java

2020-02-11

Convert java to target C

I'm trying to convert java code to objective - C. The following course is Extension of package com.TestCode.api; impo……

Java

2020-02-11

It’s javax naming. InitialContext ThreadSafe

At present, I am using the following code to find EJB 3 saturated session beans for normal POJO classes (we are in jee……

Java

2020-02-11

搜索内容

Java – get the full string stack trace containing the inner exception

Algorithm – the large O and Ω of the worst-case running time are the best cases, but why do you sometimes use Ω in the worst case?

Java – if you have only one write thread, do you need special concurrency?

Java – jtextarea auto wrap resize

Java – how to serialize classes?

Java – converts MIDI counts to names and octaves

Java – how to define the OSGi bundle startup level?

Convert the conversion date in Java to an integer and then to Delphi time

Java – check the checkbox selection in the listener

Java – when does recursive backtracking apply?

How to correctly use @ checkfornull, @ nonnull and @ nullable annotations of findbugs

Java – why does a single threaded process execute on multiple processors / cores?

Java – JAXB: how to annotate classes to belong to different namespaces?

Java – get enumeration values through reflection

Java httpurlconnection – post with cookie

Java – convert small endian files to large endian files

Java – when the field vars is final, do you need a getter?

Java – how to reload a resource package in a web application?

Java – access annotations in UIMA

Java – httpurlconnection conn.getrequestproperty returns null

Java – play 2.5 3: Use dependency injection to get configuration values

Java – get a file from a remote mercurial repository

Java – how to get the size of the visible part of a JScrollPane based window

Java, httpurlconnection, and set the content length

The class generated by Java – querydsl cannot access the second level element for query

Java – internal class extension

Java – Jersey: injectableprovider doesn’t pick up – spring

Rest Java Web services use protobuf

JComponent. How does paintimmediately () run in Java swing?

Java – guava eventbus scheduling

Convert java to target C

It’s javax naming. InitialContext ThreadSafe

Categories

Recent Posts

Tags