Java
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Java – attach textview to recyclerview
I realize that the following is incorrect, but I think you can treat it as pseudocode I want to know how I attach an o…… -
Java – can there be any hint that I object to type Equals (incompatible type)?
Is there any tool to remind me not to use the following code: if ( someClass.equals( someString )) For example: if ( m…… -
Java – how to parse joda time in this format
I convert the datestring of yyyy MM DD HH: mm: SS in JSON format into the code and save it to POJO DateTimeFormatter f…… -
Java – volatile references to mutable objects – updates to the object’s fields are visible to all threads
... no additional synchronization? The following tree class is intended to be accessed by multiple threads (it is a si…… -
Java – htmlunit: ultra slow execution?
I've been using htmlunit It suits my requirements, but it seems to be very slow Goto Google page Enter some text Click…… -
Java – spring security and custom authenticationfilter with spring startup
I have a custom authentication filter that creates a preauthenticatedauthenticationtoken and stores it in a security c…… -
Java – passing space delimited system properties through shell scripts does not work
I have this bash file: #/bin/bash PROP="-Dprop=foo bar" java $PROP -jar Foo.jar Therefore, what I want to do here is…… -
How to calculate the file size from the URL in Java
I'm trying to get a bunch of PDF links from web services. I want to give users the file size of each link Is there any…… -
Java – will the result of modifying getter affect the object itself?
I have a question about using getter methods in Java My question is: Will the actual array list object be modified ("t…… -
Java – Android broadcastreceiver onReceive updates textview in mainactivity
In mainactivity, I have a textview: textv1 I also have a method in mainactivity to update the text view: public void u…… -
Java – Mozilla rhino tutorial
Any one can provide a good tutorial for Mozilla rhinoceros What I want to do is use JavaScript to validate the form in…… -
What is JMX Net equivalent?
Is there one Net is equivalent to monitoring and management - similar to JMX? Solution You can find it in codeplex (ne…… -
JSF – how is it different from Java facelets?
See this When to use < H: head > instead of < head & gt;??? I've seen that primefaces can't work with <…… -
All possible combinations of two vectors while maintaining the order in R
I have a vector that says vec1, and another vector vec2 is as follows: vec1 = c(4,1) # [1] 4 1 vec2 = c(5,3,2) # [1] …… -
Java – using the liquibase file path through Maven and spring
I use the following bean to update the schema and initial data in the spring context: <bean id="liquibase" class="l…… -
Java – Jackson did not cover the aspirator with @ jsonproperty
Jsonproperty does not override the default name obtained from getter If I serialize the following classes with objectm…… -
Java – build a natural language model to fix spelling errors
What is a book on how to build such a natural language parser? input: I got to TALL you output: I got to TELL you inp…… -
Java – how to prevent memory leaks
I use quartz in my project My web application apparently caused a memory leak when it stopped. The error is: SEVERE: A…… -
Java – how to make hibernate print out named queries? What’s the problem?
In my spring / Hibernate / JPA application, I use many named queries. When I enter an error in one of the queries, I s…… -
Java – use factory pattern for classes with different parameters
I have a very simple factory that takes enumeration as one of its parameters to determine the type of object that shou…… -
FileNotFoundException when loading freemaker template in Java
When loading freemaker template, even if the template actually exists in the path, I receive a file that can't find ex…… -
Java – can I start / stop Tomcat using the keyboard shortcut in eclipse?
I tried to make eclipse as mouse - free as possible I can't find the key binding for quick start and stop server in ec…… -
Java – a network that shuts down ports at school
I teach an introductory programming course in high school. I'm providing a network project for my students I think it …… -
Downloading files from the Internet using Java: how to authenticate?
How to download and save a file from Internet using Java? Using the code published in the last comment, I get this exc…… -
Java – why is the last number wrong?
Why output the last numeric error code: public class Test { public static void main(String[] args) { Syste…… -
Java – how to organize classes and packages
How do you decide what a package name should be, what classes should enter and what packages? I'm working on a project…… -
Java – what are the benefits of using spring El in ognl?
I want to know what mobile spring uses spring El in ognl in its web process products: http://static.springsource.org/s…… -
Intrusive list implementation Java?
Is there a double linked list class that can be used for any (well implemented) intrusion of Java? Or should I be my o…… -
Java – pop up dialog from background thread
I need a pop-up dialog box. When I receive messages from different threads, the dialog box should not depend on activi…… -
Java – grouping in a simple aggregation storm topology
I'm trying to write a topology that does the following: >Subscribe to a twitter feed (based on keywords) > an ag…… -
How to get the name of an object in Java?
Like this, a = new a (), how do I get a name? (from a) get the string "a"? A JPanel contains some jtextfields, and a m…… -
Java date annual calculation is closed two days a year
If you can imagine, this will cause Y2K style errors in my software Strangely, the annual calculation only takes place……