Java
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Java – Android Google Maps error Android view. Inflateexception: binary XML file line #6: bad start class fragment
Therefore, after performing about 15 different stack overflow problems for the same error, I have another problem abou…… -
Opencv – the cascadeclassifier in Java cannot find a face with a webcam
I tried to translate opencv cascade classifier tutorial from C to Java Works well in C This Java Tutorial works normal…… -
Java – how to use annotations to perform constructor based dependency injection on spring?
OK, so if I need to put some raw values in the constructor, what should I do? @Autowired public CustomBean(String name…… -
Java – dangling metacharacter
When I use ", '*', '(' and ')', I always receive errors about hanging metacharacters I've tried to escape those charac…… -
Xdebug, how to avoid stopping at index PHP?
I have NetBeans with CodeIgniter and Xdebug Every time it's in the loop, the index Stop on PHP Each click is a slow st…… -
Java – unable to get the selected item index in the custom arrayadapter on the listview
There is a problem with my android project because I can't get the selected project index from my list using my own ar…… -
Java – AES encrypts Android < - > different results of IOS, and the message length is > 15 bytes
I had a real problem understanding the password / encryptor on both devices 1. If we use cipher AES to encrypt message…… -
How to create custom binding types in JavaFX
I have a custom class named timeelapsed (it is immutable) Timeelapsed has a constructor that accepts a duration (which…… -
Java – Android – create animated images of simulation type for mobile
I want to create a controller like simulator to move my character in the XML layout (which looks like Playstation or X…… -
Java – use hibernate tools to generate a single table from the database HBM file
I want to create a hibernate mapping file for several (not all) tables from my database How can I do this? When I trie…… -
Java – how to avoid ArrayIndexOutOfBoundsException in this case?
See English answers > what causes a Java lang.ArrayIndexOutOfBoundsException and how do I prevent it? 23 package co…… -
Inheritance in Java – something I can’t understand
I have questions about inheritance in Java, which I can't understand: I have two classes: public class C { public …… -
Java – multiple Jackson serializers of the same return type
I'm using Jackson for JSON serialization and have written some custom string serializers, one for each getter method o…… -
Java – Android analog camera
Can I simulate the Android camera class? @Override public void setUp() { _camera = Mockito.mock(Camera.class); } U…… -
Java – draw five transparent circles on Google Maps V2 with the current position as the center
See English answers > draw five transparent circles on the Google map V2 1 I also need to display a mark in the cen…… -
A Java class that implements a method with parameters that are subtypes specified in the interface
I had some trouble mastering generic drugs I've read Oracle's tutorial on generics, which doesn't seem to solve my pro…… -
Java – what are the benefits of defining Tomcat and DB pools in Tomcat in the spring configuration file
What are the benefits of defining DB pool in Tomcat and spring configuration files <Resource name="jdbc/DBCPosPool"…… -
Use Java 8’s lambda as a method parameter to avoid redundancy
I have a class with many methods like this (very simplified): public Record[] getRecordForXXX(String username,String p…… -
Java servlet DB username and password storage location
I am a beginner of servlet Solution Can I store DB users and pass them in to the web XML for easy configuration? >O…… -
Java – how do I receive multiple files in InputStream and process them accordingly?
I want to receive multiple files uploaded from the client I uploaded multiple files and requested my server (Java) usi…… -
Java – correct logic, select a card randomly from the card holder until all cards are selected
I need some advice here I want to create a logic that randomly selects one card from a deck of 52 cards until all card…… -
Java – why do many projects only provide source code instead of downloaded jars?
I've seen a lot of projects, including resources provided by big companies such as elephant bird (twitter) and Akela (…… -
Java – how does the competitive condition in toctou work?
The following code should be vulnerable to toctou attacks: public Period(final Date start,final Date end) { if (st…… -
Java – why does jsoup delete inline style sheets?
I use jsoup to protect my application from XSS attacks I get all the input parameters and do jsup clean. But I have a …… -
Java – implements class methods inherited from two interfaces with different return types
I have two interfaces and a class that implements them: interface A { int test(); } interface B { void test()…… -
Custom security mechanism in Java EE 6 / 7 applications
I want to create (by myself) an authentication mechanism As far as I know, I have to implement loginmodule and connect…… -
Java – why does adding throws interruptedexception create compilation errors for the implementation of runnable
Is there a way to make runnable's run() throw an exception? 9 The compilation error caused by interruptedexception is …… -
Java – combination of central JFrame and pack()
I'm trying to package the JFrame I used as () and I got it, but I don't think it's a clean way JFrame window = new JFr…… -
java – Jersey 1. X is replacing the plus sign with a space symbol How can I stop this?
I am using Jersey client to send query parameters to my jersey server This is the query:? sort = id ASC But in my code…… -
How to obtain the localhost network interface in Java or Scala
I'm trying to get the MAC address of my machine in the scala application There are several results when searching, but…… -
Java – how do I check if a field is empty and how do I read the entered text?
How to check whether the text field is empty, that is, if how to store the text in the variable is given, no input is …… -
JMX monitoring / statistics in akka application
In addition to the cluster MBean, is there a built-in JMX public monitoring / statistics that can be enabled in akka (……