Recent Posts
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JavaFX: how to create a scrollpane pan only on the middle key?
When panning is allowed, the scrollpane pane of JavaFX displays all mouse events: scrollPane.setPannable(true); How ca…… -
Java – recursively tests whether the character array is a palindrome
I tried to find a solution, but all the solutions I found were strings What I want to do is check whether the characte…… -
JavaFX drop-down button
How to create a "drop-down button" in JavaFX? So far, I'm using it Choice@R_206_2419 @, now I have to Choice@R_206_241…… -
Java – how to add metadata to PDF documents using pdfbox?
I have an input stream of PDF documents for me to use I want to add the topic metadata to the document and save it I d…… -
Java – Best Practices for passing parameters
Suppose I have an application class with about 10 fields In other utility classes, I have one of the following two met…… -
Haskell – memory usage of deferred data types
I wrote a program to analyze and operate on the data in the file My first implementation uses data Bytestring to read …… -
java – ObjectMapper(). Createobjectnode and jsonnodefactory instance. What is the difference between objectnode()?
I saw a post about inserting a new node into jsonnode and encountered two separate answers, but I couldn't understand …… -
Java – error defining bean named ‘entitymanagerfactory’ in classpath resource
The following error occurred while running the spring application I'm very new in spring, so I'm very sleepy here Need…… -
How to replace two loops with a stream and keep the same elements in the list
Set <ShipperModel> shippers = baseSiteSerivce.getCurrentBaseSite().getStores().get(0).getShippers(); Set…… -
Java – repeat once integer n times
I tried to make a pyramid out of integers 3 33 333 So based on the answer I found, I did this: int n = 8; String n2 = …… -
Java – how to get JSON objects from the JSON array in restassured
Anyone can help me solve this problem: I'm a novice to restassured and deal with JSON in our automated script I have a…… -
Java – check that all bits in the BitSet are set to true
I use BitSet in my application and want to check a method if all used bits in BitSet are set to true Now, I know that …… -
Java – assertj asserts on the cause message
Is there any way to throw a method again when using assertj to check whether the message in the reason is equal to a s…… -
Java – the cron expression of the spring scheduler – runs only once a year
I like spring service @Scheduled( cron="0 0 7 * * SUN") public void doSomething() { // do something } I know you …… -
Java – can spring restdocs generate real-time documents like swagger?
As a developer, I prefer spring restdocs But as a user of documents, I find swagger real-time documents very attractiv…… -
Java transform format String
I'm still a novice in Java. I wonder if there is any way to format double without rounding? double n = 0.12876543; Str…… -
Java / spring application cannot start on cloudfoundry: outofmemoryerror compresses class space
After deploying the new version of Java / spring boot software to the Swisscom developer cloud running on the cloud fo…… -
Adjust the size of the window dynamically in the JavaFX window to adjust the window size.
I have a task. I want to create four circles with four triangles inside, which is similar to a fan. I create a clock. …… -
BufferedReader in Java Does readline() put the entire file in memory?
Yes? Or maybe only a single string is placed on each readLine (), and the maximum memory space is the volume of the lo…… -
Java – why does jasperreports try to load org. Org springframework. core. io. Resource class?
Recently, we integrated Jasper reports into our enterprise applications Some of our users get Java. Com on the client …… -
Java – get the month name of a specific date range
I have a date range '2015 / 01 / 01' to '2015 / 12 / 31' From this date range, I want to display the unique device of …… -
Java – change the time zone of Tomcat [copy]
See English answers > change timezone in Tomcat 4 >When I use the java time pack to access the system default ti…… -
Java – how to refactor if else bodies that perform similar operations?
I have to write a class for the node of the binary tree in Java, not just the method. There is almost the same problem…… -
Java – code in public static void main, or use code to call another method in main?
In the tutorials on the Internet, I often see code fragments in public static void main (String [args]), while my prog…… -
Error creating bean named ‘application’, unable to find default constructor; The nested exception is Java lang.NoSuchMethodException
I don't quite understand why this code gives me the error "can't find the default constructor" The constructor is @ Au…… -
Java – how to add cookies to the htmlunit request header?
I'm trying to visit a website, but I can't add the collected "cookies" to the outgoing post request header I have been…… -
Java – configure the case style of the IntelliJ switch
IntelliJ keeps formatting my switch case as follows: switch (enumVal) { case X: //do stuff…… -
How do you validate the call of the same simulation method using the same parameters that change the state between calls in mockito?
I have the following code for unit testing: public void foo() { Entity entity = //... persistence.save(entity)…… -
Multithreading – Delphi pointer and memory release
I am using custom windows messages to exchange information from the worker thread to the form in the main VCL thread W…… -
Java – how many calculations must a computer perform in a binary search?
Here, I have an array: {1,3,5,6,7,8,9,11,13,14,15} It's simple. However, we will use binary search to search the index…… -
Use list Addall add list to another
In this code, the last line (LIST1. Addall (List2);) Build compile time error I do realize that if this is allowed, yo…… -
java – CompletableFuture vs Spring Transactions
idea I have a handler that receives a list of items and processes them asynchronously using an external web service Th……