Recent Posts
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Set Java Date object from notes datetime object
Manipulating the date will bring me some problems I created some java code that reads the document from the Notes data…… -
Is there a Java map keyset () equivalent to C’s STD:: map?
Is there a @ l_ 404_ 0 @ map keyset() is equivalent to C's STD:: map? The Java keyset() method returns "a set view of …… -
Dependency libraries on Java JNI and windows
Long story short: I have an executable jar whose call depends on lib JNI. DLL dll. And I got such a bad unsatisfied li…… -
What is the optimal thread pool size for simple java programs to run CPU based tasks
I use thread pool to execute tasks, which is mainly based on a little I / O of CPU, Executors.newFixedThreadPool(Runti…… -
javax. Validation value list?
Is there any way to use javax Validation to validate variables of color type that need to use only the values of comme…… -
Java – can I get an enumeration based on the value of its field?
I want to get a specific enumeration based on its field value Enumeration: public enum CrimeCategory { ASBO ("Anti…… -
Java – why does a program compile for me, but not for another person?
My code is as follows. It's good for me, but my professor said he was receiving an error because few variables in my c…… -
java – jNetPcap vs Jpcap
I wonder if anyone can give me some comments thank you! Solution I'm looking for the same thing Only people who encoun…… -
Java – detect self crossing in closed Bezier curves
I created a "blob" shape by patching the cubic Bezier curve together (screenshot below) I want to be able to detect th…… -
Java – mockito: when method A.A is called, then execute B.B
I'm using mockito for JUnit testing class A{ public A(){} public final String a(String x){ return "A…… -
Java – why does a program compile for me, but not for another person?
My code is as follows. It's good for me, but my professor said he was receiving an error because few variables in my c…… -
Implement the automatic update function of JavaFX application
I want to write a new cross platform application. I chose JavaFX mainly because of its rich UI Library (standard and t…… -
Java – how to add a JDBC MySQL driver to an eclipse project?
There is already an answer to this question: > how to install jdbc driver in eclipse web project without facing Jav…… -
Java – advantages of log4j
The advantage of log4j is that the system Out and system Err set to output to log file? Solution At a high level, log4…… -
Java – GWT superdevmode breakpoint does not work
I'm using IntelliJ. I try to put a breakpoint in a class. Sometimes it works, but sometimes it brings the debugger int…… -
Java – all natural numbers, the sum is n, and the reverse sum is 1
I have a problem to solve N natural numbers are given I need to find a list of natural numbers, sum to a given number,…… -
Java – Google cloud messaging – instant or long received messages
I'm using Google cloud messaging in my last year's college project Everything is going well, but I've been having trou…… -
Java – a simple GUI toolkit for clojure
The length of this problem is which GUI toolkit creates a very simple UI and is easy to use clojure? Here are further …… -
java – org. hibernate. Persistent objectexception: passing detached entities to persistence – using JPA
I'm creating a simple application that just inserts a row into the table (if the table doesn't exist, create it) using…… -
Is the Java virtual machine language agnostic?
To be sure, the Java virtual machine was originally designed for the Java programming language, but now other develope…… -
Java – get threads waiting indefinitely
I have a java thread to handle outgoing communication with the socket I just want the thread to run, and the pending o…… -
Java – why not use the element zero of the heap array?
This is the beginning of my rough sketch of a heap with arbitrary values 0 1 2 3 4 5 6 7 8 9…… -
Java – IntelliJ: search the project for the source of Maven dependencies
Can I search some text through the source code of all Maven dependencies of the project? For example, if you import th…… -
Java – detect mouse movement on the screen
I created a mousemotiondetection class, which just detects whether the user has moved the mouse anywhere on the screen…… -
Calling Java functions from clojure
I can use (. Touppercase "good") because "good" is a Java string that has a touppercase method I can also use (Java. I…… -
Ultra lightweight Java persistence layer needs
I need a super lightweight persistence layer for the Java application I'm writing I need it to become a stand-alone ap…… -
java – System. Out character encoding
I run my java program from the command line (Windows 7) To simplify matters, I will only describe the relevant parts p…… -
Java – collect Linux command output
I'm on a @ L_ 404_ 0 @ on the machine I have a java program that will run some linux commands, such as PS, top, list o…… -
Java series reel to disk
Because some very large lists and collections are built during a transaction, I ran out of memory in Java and repeated…… -
Java – immutable array thread safe
I have a question about the JAVA memory model This is a simple class introduction question: public class ImmutableIntA…… -
Parallel assignment in Java?
Does java have a python like [a, B, C] = (1,2,3) or PHP list ($a, $B, $C) = array (1,3)? Solution It's not true You ca……