Java
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A Java class that simulates the Ping operation
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Java – Custom MapReduce input format – constructor not found
I'm working for Hadoop 0.20 2 write a custom inputformat, and I can't get rid of nosuchmethodexception When I started:…… -
Layout – JavaFX 2 creates a custom pane
I have seen several tutorials on customizing JavaFX controls, but there is no tutorial on how to create a custom pane …… -
Answers to classic interview questions
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Remove the last comma of the string property
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How to interrupt Java util. Scanner nextline call
I'm using a multithreaded environment. A thread calls scanner repeatedly Nextline() to continuously listen for user in…… -
Java – the requested resource is not available for servlet 3.0 and Tomcat 7.0
My dynamic web module version is 3.0, and my Tomcat version is 7.0 When I navigate to the localhost: 8080 / simpleproj…… -
Instance variables in stateless session beans
I have read this post, but it does not answer my question I don't agree with that Because I think keeping "any" state …… -
Multithreading – x86 reserves EFLAGS bit 1 = = 0: how can this happen?
I am using Win32 API to stop / start / check / change thread state Generally, he works very well Sometimes it fails, a…… -
The Android dashboard component example needs to be slightly modified.
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Java file operation tool class
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Java – gzip string used for ColdFusion output causes “content encoding error” in the browser
I tried to output gzip content to the browser in a variable First, I'm making this very simple instead of worrying abo…… -
Java EE – define @ uniqueconstraint in @ mappedsuperclass
I have a requirement where many of my entities need long values and @ manytoone relationships with other entities Usin…… -
Xdebug trace / trace PHP echo, print phone
Is there any way to view echo or print function calls in Xdebug trace output I'm looking for a global configuration (o…… -
Java – pass JSON to webservice
I developed a web service in Java using the dropwizard framework I hope it consumes a JSON My service code is – – reso…… -
Java: how do I remove the default keystrokes from any JComponent?
I want to control which keystrokes belong to which JComponent I even want to know how to delete the default keystroke …… -
Java – call Tomcat dofilter() with the submitted response
I have a Tomcat filter that delegates requests to a processing object based on the URL This is the only filter in filt…… -
Java monthly fortune API call code example
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Java – when null is passed in, the JSP tag attribute inherits the variable from the parent scope?
I recently encountered a problem that passing null to a custom JSP tag will cause the tag to move up the scope and res…… -
Java – use spring MVC annotation based controller and @ requestmapping to narrow the problem
Consider this spring MVC controller: @Controller @RequestMapping("/test*") public class TestController { @RequestMa…… -
Improve code reusability
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Java – why does “libcore.io.errnoexception: open failed: enoent” appear when running the ioio Mint application?
I'm trying to make a simple application that runs on an Android device (Alcatel one touch 4030d, Android 4.1.1) and re…… -
After compiling with Java 7 or 8, appbundle throws “lsopenurlswithrole() failed, error – 10810”
I upgraded the JDK to version 7_ 45. After compiling and executing the jar, it works normally. I package it into the a…… -
Replace Java / spring based Web Services
I am looking for alternatives for my team to create simple rest services that respond to multiple clients in JSON form…… -
Java – use the Google Maps Library in primefaces to automatically complete the address
I am using primefaces 3.4, Apache Tomcat 7 and Java EE I read the Google Maps API, but I can't use this feature I have…… -
Use JUnit 4 to perform magic ‘classmethod’ test in gradle Scala unit test
I'm in Scala language extension for vert X encountered the problem of gradle, JUnit and scala test execution Recently …… -
Java – narrow down the class cast exception in JNDI reference in EJB
I'm trying to write a simple stateless session bean, but I gave a narrow reference when looking up I use My beans pack…… -
Java – your own openid connect provider (open source)
Openid connect is still a little new. I am looking for open source software to run my own openid connect provider (OP …… -
Java – is there any way to default language by country / region on locale?
I have these lines of code: Locale[] cosas = Locale.getAvailableLocales(); for (int i = 0; i < cosas.length; i++) …… -
Android determines whether it is WiFi or 4G network
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Online HTTP interface test – HTTP get / post simulation request test tool
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Lockfree algorithm does not need locking under multithreading
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