Java
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Java – monitor windows directory size
I'm looking for something that can monitor the size of the windows directory and the number of files I'm talking about…… -
Java – hikaripool-1 – driverclassname requires JDBC URL
I'll go back and program my old program https://github.com/JonkiPro/REST-Web-Services. I have updated spring boot from…… -
Java – why can’t ‘a’ compile in C, but ` (a) `?
Why is + + I considered an l-value, but I + + is not? 11 int main() { int a = 0; ++a++; // does not compile …… -
Java multithreading in notebook computers with quad core processors
I'm reading a java tutorial that says that actual multithreading does not occur on a machine with a single processor I…… -
When compiling java with different versions of JDK, the same target and source versions are guaranteed to perform the same operation?
We will update our CI system from Java 7 creation to Java 8 After that, we want to migrate the projects to Java 8.0 on…… -
Asynchronous – rxjava adds items after creating observable
I just started using RX Java and I got stuck Maybe I don't use rxjava in the right way, but I need to add it to observ…… -
Why do you have to deal with () an out of range Java awt. Window？
One of the memory leaks I found in my application was Java awt. Window. All windows specific static field that tracks …… -
Do java – HQL queries always hit the database and get results?
I'm going through hibernate and when to use criteria vs HQL. My understanding is to use hibernate. Whenever we query t…… -
java. math. BigInteger pow (exponential) problem
I did some tests on the pow (index) method Unfortunately, my math skills are not enough to solve the following problem…… -
External connection and ORM mapping in Sqlalchemy
I use ORM mapping 0.6 in Sqlalchemy eight I have three tables (a, B and C) and there are no foreign keys between them …… -
Java – jarentry. Java when the jar file is opened from URL to InputStream Getsize() returns – 1
I tried to read the file from jarinputstream, and the size of the file returned - 1 I am accessing the jar file from t…… -
Java – disruptor – eventhandlers not called
I was playing with the disruptor framework and found that my event handler was not called This is my setup code: priva…… -
Java – sort using spring AOP \ u0026 \ u0026 MVC
I am trying to use spring AOP and spring MVC controller @Aspect @Component public class LoggingAspect implements Order…… -
How to run sudo command for OS X in Java
I'm using the app in JavaFX. I'm trying to open an application using the command in the terminal. I'm using my java co…… -
What are those Java threads that start with “pool”?
I have a problem with the Tomcat server that cannot be shut down normally I performed a thread dump after issuing the …… -
Java – iterates over each possible double value
Consider the situation where you want to test each possible input value Creating a situation that iterates over all po…… -
Java – ehcache – uses list as the cache value
So this is the problem I'm trying to solve - I have an object with two integer fields, and I want to cache public clas…… -
Just in time compilation – when does it actually happen in Java?
Recently, I participated in a discussion on Java efficiency The answer is that Java code is often compiled directly in…… -
Java – what slows down this clojure feature?
I work in clojure project Euler problem 14 I have a good general algorithm and I get the correct results, but it is di…… -
Java: can I use two different names in an enumeration to count the same thing?
I have an enumeration course with main directions (North, East, South, West): public enum Direction { NORTH,EAST,S…… -
Java – how to improve the reliability of e-mail sending and delivery?
Current applications use simple java mail to send several emails a day, but some emails will never be sent to the clie…… -
Java – selenium. In selenium webdriver What is the equivalent of waitforpagetoload (“30000”)?
The following is the Java code waiting for the page to load in selenium RC: selenium.waitForPageToLoad("30000"); What …… -
Java – Eclipse: import and export operations in the “save operation” option
You can import export cleanup settings as XML files in preferences - > java - > code style - > clean up I wan…… -
Java – resource folder in Android studio unit test
I have a gradle project with the following structure: project/ src/ androidTest/ java/ …… -
Java – spring MVC does not record all exceptions
I have spring MVC settings to log exceptions using commons, but I find that some runtime exceptions are not logged Thi…… -
Enforce warnings in Java
I want a mechanism to manually throw compile - time warnings I'm using it to mark unfinished code, so I can't forget i…… -
Java – how do I limit spring component scanning to files only in my war?
I'm using spring's component scan to find beans in my application <context:component-scan base-package="com.myapp"/…… -
Java – get Google cloud storage files from blobkey
I wrote a Google App Engine application that uses blobstore to store data generated programmatically To this end, I us…… -
Java – why doesn’t this code see any significant performance improvement when using multiple threads on a quad core machine?
I wrote some java code to learn more about the executor framework Specifically, I wrote code to verify Collatz hypothe…… -
Java – what to use: executeupdate() or execute()?
Please tell me which two methods of executeupdate and execute are the values (?,?,?) of the inserted user (name, addr,…… -
Java – how to capture TrayIcon Displaymessage() mouse click on the tooltip tone
Hi, I'm trying to show more details after the user clicks the mail balloon tooltip However, I can't find how to captur…… -
Java – Android studio error: org gradle. process. internal. ExecException
I'm a novice in Android development, and I encountered my first mistake, which seems to be unsolvable I have downloade……