Java
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The javalaunchhelper class is implemented in two places
Today, I upgraded my IntelliJ idea on MacOS Sierra. Now, this error occurs when I run the application in the console: …… -
Java – spring MVC form errors have not been processed on JSP
I'm trying to validate the login form After clicking the login button, the control enters my controller class. With th…… -
Java – how to merge two Android studio projects into one [copy]
See English answers > how to create jar for Android Library Project 8 Solution From combine Android projects togeth…… -
Java – app cannot load non on page ads on my real device
Test insert ads are running on my simulator But they don't apply to my real device There was a problem getting an ad r…… -
How to simulate Java net. NetworkInterface？
I'll test one in Java net. The networkinterface list is used as a parameter method, so I should simulate the final abs…… -
Java – can I select a file name in the Jfilechooser window?
I can set the default file name in the Jfilechooser window using the following command: fileChooser.setSelectedFile();…… -
Java – filter ArrayList after converting long (from constructor) to string
I store this long value in the database as datetime. I have a question about how to filter these records according to …… -
Java – you cannot use XML via maven unmarhsal
I have JUnit test, it is unmarshal, my XML object is good, its work! However, when I run the Maven command MVN surefir…… -
Java – download stream files through resttemplate
I have a large file download, which is provided by the restcontroller on one server. I need to stream it through the r…… -
Java – filter the object only if the predicate input is not an empty string using guava
I'm learning guava now. I have a problem I have three possible string filters The problem is that I just want to filte…… -
Java – a strange runtimeException occurs when running an Android Application on some devices
I recently made an Android application and released a beta version to someone for testing purposes Everything seems to…… -
Java – the previously created encoding file cannot be read correctly
I have a problem reading the encoded file. I have written my own code before Display the original string correctly (in…… -
Java – insertionsort using multidimensional arrays
In my code, I receive the values n and D on the first line. N will be the number of values I want to write, and D is t…… -
Java – try the method again for some exceptions
I have the following methods to retrieve information from the server using a proxy Sometimes due to proxy errors, I ge…… -
Java – why does spring nativequery with paging throw an sqlgrammarexception?
I tried to use spring 4.2 Run the following query in 4: @Query(value="SELECT * FROM (SELECT ROW_NUMBER() OVER(ORDER BY…… -
Java – return stream from custom data structure class
I'm developing a program to create a custom LinkedList generic class. I hope to generate a stream from it by calling s…… -
Java – spring security returns 302 when attempting to log out
I use spring security (4.0.2. Release) to protect my application I can log in normally and my authenticated URL is pro…… -
Java – dead code warning in try with resources, but not in try catch finally in translation
The following code uses the try - with - resources structure introduced in Java 8 Occasionally, the throw () method is…… -
Javac for dynamic compilation does not work
I'm trying to compile a HelloWorld class as a test, which shows an error I don't know how to solve It seems that it is…… -
Move STD:: vector to STD:: deque in C 11
If I have STD:: deque and STD:: vector and want to combine them into STD:: deque, I can do it in the following ways: t…… -
Java – antimalware service executable slows down IO operations
I have a java program that writes some temporary files in the temporary directory The temporary directory is located o…… -
Java – where to restore the user’s purchase within the application?
I've been following the junk Google tutorial, but it doesn't mention where to put code to restore user purchases In th…… -
The Java – Maven plug-in places – D32 – xstartonfirstthread in the GWT startup file on the Mac
Use the Maven M2 plug-in of sonatype on Mac Unfortunately, whenever I run Maven to "update project configuration", it …… -
Create class object in DLL with Java
The third part DLL contains the class definition in C language, which I will use in Java I have a complete understandi…… -
Java – regular expressions: using system. Java out. Println (m.matches()) will not print all matches;
I execute the following code: public static void test() { Pattern p = Pattern.compile("BIP[0-9]{4}E"); Matcher m = …… -
Robot Java class XP and Vista win7
The following java code will lock the desktop when running on Windows XP, but it will not lock the desktop when runnin…… -
Java – write a simple spring example using play! skeleton
I'm trying to make spring 1.0 1 module is set to use with play! 1.2. one First, I add the spring module to the depende…… -
Multithreading – using dispatcher in unit testable MVVM code
I have an MVVM Lite application and I want unit testability The model uses system Timers. Timer, so the update event i…… -
Convert rexp objects to double arrays (Java / R)
I want r to generate normal data and then use it in Java I know a function that converts rexp objects into arrays, but…… -
Java – extract date from web page
I want to extract dates in different formats from the web page I am using selenium 2 Java API to interact with my brow…… -
Java – how to add a filter before another filter in spring security?
My application has two different security configurations One is oauth2securityconfiguration and the other is ldapsecur…… -
Java – @ manytoone mapping is not applicable to connection inheritance
I have the following database structure: CREATE TABLE `author` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT,`name` ……