Java
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Java – how to programmatically register JSF managed beans?
I want to programmatically register / add the managed bean class to the application scope (from servlet init()) Soluti…… -
Java – findviewbyid() returns that the symbol cannot be found, but is the ID defined in the layout?
I'm learning some Android application development myself. I'm focusing on a video tutorial on how to create a simple t…… -
Java – dependency injection is condition based
I'm using Google Guice for dependency injection Suppose I have the following points: public interface Payment { pu…… -
Java – explicit zeroing
Under what circumstances, Java is explicit and nulling is useful Does it help the garbage collector in any way by maki…… -
Java – embedded terminal and normal shutdown
I've dug into the jetty documentation and tried to figure out how to properly configure the embedded jetty to close gr…… -
Languages supported by Java scriptengine
Java has a scriptengine system that allows you to run / evaluate statements in different languages Solution ECMAScript…… -
Java – how do I clear strings?
In the program I am writing, the text field must display some text at some time output.setText( outputString ); output…… -
Java – how do I click on a hidden element in selenium webdriver?
I have a grid showing some records When I click on a record and check the element, it shows that it is hidden, but it …… -
. Net – send messages from server-side applications to clients?
I have a JavaScript - based client that is currently polling for new content Net web services Although polling works..…… -
String to binary output in Java
I want to get binary (011001..) from a string, But I get [b @ addbf1, there must be a simple conversion, but I can't s…… -
Java – use JetBrains ides to find text in the decompiled jar file
I like JetBrains IntelliJ (if you like). My project is built with gradle of my company namespace and some external Jav…… -
Java – whether custom objects are passed by value or by reference in fragments and activities
Hello, Java and Android experts I have a problem. I have a room_ Class of structure, which implements serializable Thi…… -
How to read a file into a Java bitmap?
I know how to read bitmap files into a byte array So how to convert a byte array to a Java bitmap? Solution If you alr…… -
Java – use ‘${spring. Version}’
When I use: <dependency> <groupId>org.springframework</groupId> <artifactId>sp…… -
Java – what is the best practice for using “this” in classes in OOP?
What I've been thinking about is the preferred course in which you can use 'this [name]' or a simple [name] reference …… -
Java – email client library [closed]
I'm looking for a library that encapsulates the JavaMail API on the receiving end in the same way that common email ha…… -
Java – best used: action vs actionlistener?
Myself, I always use actionlistener as a swing event handler (such as button click), which is the most common listener…… -
Use java to store user name / password on MAC
I am writing a small program (a twitter client) for Mac OS X in Java As part of its functionality, it needs a place to…… -
Java – grab the tagged instagram photos in real time
I'm trying to download photos with specific tags I found the real-time API rather useless, so I used a long polling st…… -
Java – birt in desktop applications
Someone used birt report in desktop application I come from. Net environment, you can use crystal reports to display r…… -
Best practice: capture Java net. Failure point in URL
New features of JVM using Scala and play 2.0 I convert the legacy application to play through authorize Net for paymen…… -
Restful web development using Java EE 6 – what are the options?
I'm trying to find the best choice for developing restful web applications using Java EE 6 For example, I would like t…… -
Java – how do I use the Internet time server to get time?
I want GMT [Greenwich mean time], and I don't want to rely on my system date and time Basically, I want to use a time …… -
Java – refactoring static methods into instance methods in eclipse
How can I refactor class Plugh { static void foo(Bar bar); } become class Bar { void foo(); } Using eclipse? I…… -
Java ignores certificate validation
I'm trying to create some sample Java projects that connect to a self - signed HTTPS server I can't seem to stop Java …… -
Java – how to change jooptionpane Default text for buttons in showinputdialog
I want to be in joptionpane Set the text of OK and Cancel buttons in showinputdialog There is a way to change joptionp…… -
How do I set up findbug for Java 8 projects with graduates?
I have a Java 8 project built using graduation 1.12, which is perfect Now I want to use findbugs because I use Java 8 …… -
In Java, how to efficiently optimize the descendants of streaming tree nodes?
Suppose we have a collection of objects identified by a unique string and a class tree that defines the hierarchy on t…… -
Java – fields in Guice inject class are not created by Guice
I have a class where I create myself in my own code: class StarryEyes { @Inject MyValidator validator; public S…… -
Java – regular expression with = and a
I try to use regular expressions to find all substrings that start with an equal sign (=) and start with a semicolon (…… -
Java – why do some classes not need the word “new” when creating instances?
I'm new to Java One thing that puzzles me is why some classes need new to instantiate, and why others don't need new t…… -
Java – how does spring batch manage transactions (there may be multiple data sources)?
I want to provide some information about data flow in spring batch processing, but I can't find what I'm looking for o……