Java
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Java – how to convert file delimiters in maven
I have an attribute defined as follows: <properties> <main.basedir>${project.parent.basedir}</main.…… -
Java – what is the best way to count and sort string arrays?
I try to find out whether there is a good search method (counting the number of occurrences), and then sort a string a…… -
Java scanner entry key
I use Java programming How do I use java to do this I was told that this could be done using a scanner or a buffered i…… -
Follow the JavaFX MySQL connection example
Anyone can give me an example of a class connecting JavaFX and mysql. I don't want the main class. There is one. I jus…… -
Java – ThreadPoolExecutor: how does it reuse threads
I read about ThreadPoolExecutor wired process pool, which is destined to reduce the cost of creating new threads (at l…… -
javax. imageio. Is imageio broken? It rotates some images
Below you will see a delicious cake "simit" from Turkey It's taken from the iPad 2, so it's a JPEG with a size of 720 …… -
The keylistener event is obviously not triggered in the Java applet
I've just started learning to program applets and Java GUIs. I'm trying to make a simple game At present, I have main …… -
Java – what is a good combination of tools currently used to implement rest / J2EE / database custom authentication
I just want to know what is the good combination of tools / frameworks / libraries for implementing rest API on J2EE a…… -
Java – spring data repositories – find the where field in the list
I am trying to use spring pagingandsortingrepository and find myentity, where the fields in fieldvalues are queried as…… -
Java – last inserted value in DB
There is already an answer to this question: > how to get a value from the last inserted row? 14 When I insert a ro…… -
Java – MapReduce / Hadoop getting started
Recently, I have read a lot of information about MapReduce / Hadoop and think this is where the industry is turning Ca…… -
JavaFX bean binding suddenly stops working
I use JavaFX numberbindings to calculate certain values At first, everything worked as expected However, after a fairl…… -
Embedded – how to debug unexpected resets in STM32 devices?
I'm doing some development in C using stm32f107 chip, and sometimes when I call a specific function, the device starts…… -
How to create an OAuth request using Java?
I need to use OAuth to connect with viago website Referring to their documentation, I need to create a request similar…… -
Java – how to access enum field in playframework template
I have an enum, which has some fields that I need in play1 2.4 access in template public Enum WORKER{ FARMER,SMITH,…… -
Java – how to return specific types when implementing a common interface
I have an interface that will be implemented by several different classes, each using different types and return types…… -
In Java, there is no two – to – long conversion
I need to convert double to long and keep its binary structure instead of numeric value Just change the type, but keep…… -
Java BigDecimal triangulation
I am developing a mathematical parser that can evaluate strings, such as' 5 b * sqrt (C ^ 2) ' I am using ANTLR for pa…… -
How to map lambda expressions in Java
I come from Python and try to understand how lambda expressions work in Java In Python, you can do the following: opdi…… -
Java – JPanel does not use SetSize and setprefferedsize
Please explain why it doesn't work. You can also publish a solution to solve this problem Thank you very much for your…… -
Java – how to add support for resizing when using an undecorated JFrame?
I want to customize my title bar, minimize, maximize and close buttons So I use setundecorated (true); On my JFrame, b…… -
Warning: jsf1074: a managed bean named “bean” has been registered
I'm using mojarra JSF 2.2 The bean we define is based on anonation, for example @ManagedBean(name = "codeBean") @ViewS…… -
Java – deploy jax-ws web services on Tomcat
Note that Java 6 contains javax xml. WS, I can create a stand - alone web service Solution Download the subway from he…… -
What is jar signing in Java?
What is a jar signature? Can we customize it? I mean, have your own signature Solution Jar signature is the process of…… -
How to automatically improve debugging in symfony2
I tried to debug using symfony2 before, and dealing with cache is a great pain Solution I'm on the app_ This code (bas…… -
Java – JDBC uses select for update to lock a row, which does not work
I have a select problem with MySQL For update, this is the query I tried to run: SELECT * FROM tableName WHERE HostNam…… -
Java – use the stream to find objects in the list
See the English answer > why filter () after flatmap () is "not completely" lazy in Java streams? 6 // returns [i,j…… -
Implementation of counting using group in Java 8
I am looking for the implementation of group by, and then filter it according to the count in the lambda expression se…… -
Java – hibernate subquery
I have a problem creating subqueries using hibernate Unfortunately, the subqueries class has almost no documentation a…… -
Java hash map thread visibility
I fully loaded a Java HashMap during initialization, but after initializing multiple threads, the HashMap will read th…… -
Java – why does the spring task scheduler wait for the last task to complete?
I have the following task scheduler settings: <bean id="Task" class="foo.bar.Task" /> <bean id="TaskSchedule……