Recent Posts
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Java – unable to convert project… File error in IntelliJ ide ended prematurely
I use IntelliJ idea as the IDE for running Java programs Power fluctuations cost the computer to restart Now when I re…… -
Java – how to interpret the analysis results?
I used NetBeans and visualvm to run the memory profiler and received the results, but there was no clue how to analyze…… -
When and where are strings initialized / stored in Java source code?
This is the source code I have public class Koray { public static void main(String [] args) { System.o…… -
Any Oracle TNS inefficient (many round trips, latency) solution from Java applications?
I'm working on a very slow SQL query (from a Java application using hibernate deployed in JBoss 5.1) This particular q…… -
Java – search WindowBuilder documentation / APIs
I'm working on a project using WindowBuilder pro. While trying to catch it, I've been looking for good documents witho…… -
Compiler error – ‘error: cannot find or load main class com sun. tools. javac. Main’
I just started learning Java. I installed JDK on my computer, but now I'm trying Java's simple instead of compiling I …… -
Java – some values are missing when sorting maps by values What causes this strange behavior?
I tried to sort the maps according to word frequency (i.e. based on value) To this end, I have overwritten the compara…… -
How to use multi-threaded wait and notify protocols
Specifically, someone can tell me what's wrong with this code It should start the thread, so it should print "input th…… -
Java – running applets in Web Applications
I want to run a simple applet in my web application using the HTML applet tag, but it gives an error java. lang.ClassN…… -
Java – total flight time between two time zones?
If we leave Frankfurt at 14:05 and arrive in Los Angeles at 16:40 How long does it take? I've tried the following: Zon…… -
Javafx-2 – Java FX 2 treeview model reference
I tried to get treeitems valueproperty during the onmouseclick event I have a treeview of the following types: @FXML p…… -
Java – is there a reason for the “pseudo typedef antipattern”?
I have a relatively complex generic type (such as map < long, map < integer, string >), which is used interna…… -
Java – good design: how to pass inputstreams as parameters?
I have a large file and I am opening a FileInputStream This file contains files, each with an offset from the beginnin…… -
Java – get the date representation in seconds?
I'm using an API that requires a date parameter as the number of seconds, an int My problem is that I now store this t…… -
Java – intuition and design principles
I have a class hierarchy, like this drink – > coffee – > latte Drinks: public abstract class Beverage { pri…… -
Java – byte array buffer image conversion speed is slow
I have a simple server-side code that receives a byte array representing a JPEG image and returns the size of the imag…… -
Java – learn about memory leaks in Android Applications
I found the article "avoiding memory leaks", which says the following code: private static Drawable sBackground; @Ove…… -
Why is java used by most banks?
I noticed that most banks use java to run web applications on the server side Why? What makes Java better than PHP, ru…… -
How do I reference Maven dependent unit test classes in my java project?
I need to reference some JUnit tests (SRC / test / Java) in project B in the test package Src / test / Java of project…… -
Java – use Lombok with gradle and spring boot
I'm trying to build a project with Lombok, which is the dependent project I have dependencies { compile("org.spring…… -
Run command line operations from Java
I built a very simple program to test the command line operation of running Java That is: later, I hope to modify this…… -
How to simulate soap web services in Java
There are web applications that use soap web services But I want a copy of it I want to perform unit tests on my appli…… -
Multithreading – why only 32 threads run when calling futures?
When I found the futures business test: user=> (time (doall (map deref (for [i (range 1000)] #_=> (future (…… -
Java – property file point separated key names
I just noticed that almost all key values in the properties file are dot separated names Solution There's no specific …… -
How to use a single replaceall to find the common characters of two strings in Java?
So suppose I have: String s = "1479K"; String t = "459LP"; I want to come back String commonChars = "49"; The common c…… -
Java – repository classes in DDD
I'm trying to focus on DDD. I have a question class and a feedback class (etc.) I want to be able to count the number …… -
Concurrency – Erlang – dining philosophers error
If the code is hard to follow, I apologize If anyone is interested, these are instructions: http://www.kth.se/polopoly…… -
How to store Haskell data type in unboxed vector in continuous memory
I want to store a nonparametric, decompressed data type data Point3D = Point3D {-# UNPACK #-} !Int {-# UNPACK #-} !Int…… -
Java – TestNG runs all class methods multiple times and initially executes @ beforeclass using the provided data
I am writing a test suite for webapp using TestNG and selenium webdriver What I need is to run all the methods of the …… -
How to convert a sample dataset from R package “spatstat” to ShapeFile
I write a kernel density estimator in Java, which inputs and outputs the GeoTIFF image of the estimated surface in the…… -
Java – how to control the SSL passwords available to Tomcat
I cannot disable weak SSL passwords in tomcat, as described in many places http://www.techstacks.com/howto/secure-ssl-…… -
Java – why do we need to avoid mutations in coding? What is mutation?
Why is the second code (code with flow) better than the first code? First: public static void main(String [] args) { ……