Recent Posts
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Alertdialog pop-up control for Android UI design
I believe you have seen a lot about the pop-up interface of Android. Many applications on mobile phones involve pop-up…… -
Some rules about drawable in Android
preface As soon as you enter the deep sea of Android, I believe many Android developers have a deep understanding of t…… -
Java – how to use GWT when downloading files using servlet?
I'm creating a simple project that allows me to upload and download files using GWT I can't download files from my ser…… -
Java full screen on Linux – how do I overwrite the taskbar?
I read some related articles and googled a lot I have a problem running Java applications in full screen mode of "open…… -
java – ClassNotFoundException：org. hibernate. service. jndi. JndiException
I get the following stack trace java.lang.ClassNotFoundException: org.hibernate.service.jndi.JndiException java.ne…… -
Java – write string to CSV file
I tried to write data to a CSV file using Java, but when I tried to open the generated file with Excel, I received an …… -
Java – use ‘valueof’ to retrieve an enumerated throws runtimeException – what is used?
I have the following enumeration enum Animal implements Mammal { CAT,DOG; public static Mammal findMammal(final…… -
Java – is there a portable way to have “select first 10 * from t” semantics?
I want to read the data in 10K record blocks from the database I found result limits on Wikipedia. It seems obvious th…… -
Java bufferedimage, write to the underlying grid, and the pixels are offset in the final image
Sorry for the thread dead software, I tried to generate a test version, which can be found here https://www.dropbox.co…… -
Why does Java imageio smooth JPEG colors
When I see some JPG files, the color becomes flat This is a simple example. It reads a JPG and writes the same image t…… -
Memory usage of byte arrays in Java
See the English answer > java process memory check test2 public class Main{ public static void main(String[] ar…… -
Javafx-2 – set fonts globally in JavaFX
How do I set font types globally in JavaFX applications? Is there a solution you can use? In JavaFX 8, the default fon…… -
Javadoc – is there an @ inheritdoc equivalent in Doxygen?
I know Javadoc will compile {@ inheritdoc}, but what is Doxygen doing? Solution There is a clear copydoc, which I thin…… -
Java – Jenkins slave goes offline during the build process
Jenkins slaves were offline during construction How do I solve this problem? I saw many related problems on so and Jen…… -
Separate files for class definition and declaration in Java
I am a C programmer who is currently learning Java. I want to know if OOP in Java follows the same principle as the cl…… -
Java – how to use UUID and Hibernate as fields?
I try to use the generated UUID without @ ID annotation because my primary key is something else Applications don't ge…… -
Java – how to make JButton have simple flat style?
The easiest way to make JButton display only the background color? I don't need any other effects, such as border, 3D …… -
Java ee6 > packages JSF facelets (XHTML) and managedbeans into jars
Can JSF facelets and managedbeans be packaged into jar files? So can we use this code and UI combination in different …… -
Java – method for generating generic types using ASM bytecode generator (classwriter)
Defining simple getters and setters is easy to use ASM (fortunately, even in their FAQs) But there's one thing I didn'…… -
jsf – java. lang.NoClassDefFoundError：javax / servlet / jsp / jstl / core / Config
I am using JavaScript and JSF to develop an application for FB login website I have released my code here The problem …… -
Java – Lucene is not a null query?
How do we construct a query to search for specific fields that are not empty field_ Name: * not working I tried field_…… -
java. net. Local file protocol for URL
What is the protocol for local files that use URLs? I have downloaded a file using Java, and I need to know how to acc…… -
Java – converts a string to a header case in JSTL
Is there any way to use JSTL tags to convert strings into header cases? Thank you in advance Solution An alternative t…… -
Java: how to deal with a lot of fields and their encapsulation?
Suppose my task is to code a role - playing game This means, for example, I want to track a character in a role game a…… -
GWT and JPA
I'm using GWT 1.5 3. Build database application I use JPA annotations with my objects It seems that the RPC of GWT wor…… -
Java string hashcode caching mechanism
Looking at the Java string class, we can see that the hash code is cached after the first evaluation public int hashCo…… -
Java – can two threads access synchronous methods at the same time?
public class Deadlock { public class Deadlock { static class Friend { private final String name; p…… -
Java – what is the “link to editor” function in eclipse?
I'm new to eclipse (and I don't know NetBeans) I'm reading the eclipse tutorial But I was stacked and couldn't underst…… -
Why and how does this java code compile?
See English answer > which overload will get selected for null in Java? three public class Riddle { public sta…… -
JavaFX 2.0 WebView / webengine renders web pages to images
I'm looking for a way to load the page and save the rendering as an image, just as you did with cutycapt (QT WebKit ex…… -
Java error in bilinear interpolation of 16 bit data
I have a problem using bilinear interpolation for 16 bit data I have two images, Orig image and display image I want t…… -
Java – unreachable statement: while true vs if true
There is already an answer to this question: > unreachable statement error using while loop in Java 2 while (true) ……