Java
-
Multithreading – why is Google Chrome renderer multiprocessing rather than multithreading?
Every time I load browser tags in chrome on my Mac, the application forks out to another process This seems to work di…… -
Java – problem downloading file using content disposition
I want my program to have a pop-up window to save as a window option before the file starts downloading, but when I ru…… -
Java – an elegant way to use flatmap in flatingby
So I have a piece of code. I'm iterating over a data list Each is a reportdata, which contains a case with long caseid…… -
Cost per class in a Java application – fewer large classes or several smaller classes
What is the memory cost for each new class added to a Java application? >Is it better to have 5000 large lines or s…… -
Java – how to configure my log4j (using GlassFish) login log directory instead of configuration?
My log4j The properties file has the following line: log4j. appender. logfile. File = MyApplication. log My log file a…… -
Java – cannot mask jar with Maven (invokespecial / static)
Complete error message: The jar file I tried to shadow is located in my own remote repository, using sonatype nexus Th…… -
Java – how to make NetBeans start faster NetBeans took a lot of time to open
I don't know if it's just my computer, but NetBeans is spending a lot of time turning it on I wonder what I can do to …… -
Java – parent POM Invalid wrapper for XML, must be ‘POM’, but ‘ear’
Someone can suggest a solution, with the following exceptions I'm going to create a multi - module project The parent …… -
Why does my java RSA encryption give me an arithmetic exception?
Yes Net, I generated the following public key file: <RSAKeyValue> <Modulus>xTSiS4+I/x9awUXcF66Ffw7tracs…… -
Java – gridbaglayout: how to prevent invisible components from crashing
When making the components of the layout managed by gridbaglayout invisible, the arrangement of other components in th…… -
Java – immutable classes and subclasses
I'm trying to learn variable / immutable classes. I met this post Some of the answers provided are: @ h_ 419_ 3@ OK, I…… -
Java – asynchronous HTTP client (ning) create more threads?
I am using Ning async HTTP client to realize the advantages of non blocking Doing an apple to Apple test (non blocking…… -
Java – inherited protected member behavior
I have some questions about the protection identifier In the first chapter of K. Sierra's sun certified java programme…… -
Java – you cannot deploy a simple spring boot web application to openshift
I have one War file. When I copy it to the webapps folder in my local instance of Tomcat 9, it will be successfully de…… -
Java – pass variables from servlet to JSP
I have seen other problems similar to this problem, but none of them helped me solve my problem Basically, I'm trying …… -
Java swing JFrame size returns a larger screen size
When investigating some problems in my application, I found something strange Basically, the sscce should prove this p…… -
Java – spring managed transaction, eclipse link JPA, custom isolation level
I doubt it's embarrassing. I made a mistake in a terrible way, but please wait for me patiently I have a spring applic…… -
Java – JSF 2.1.0 not found 13 custom component: tag library supports namespace: but no tag is defined for Name:
problem I am using JSF 2.1 Create a prototype to demonstrate the benefits of JSF to the webapp we currently build usin…… -
Java 8 maps the collection. If the collection is empty, add the default value
I have a use case, and I must return a set containing at least 1 element The incoming collection may contain 0 or more…… -
Java – pdfbox coded symbol currency euro
I use Apache PDF@R_745_2419 @The library creates a PDF document My problem is to encode the euro currency symbol when …… -
Vector – what is the correct way to convert VEC to FFI without reallocation?
I need to pass an element VEC in the FFI Through the experiment, I found some interesting ideas I started to give the …… -
Java – thread interrupt: will it cancel receiving the wait () call?
I have a thread that has an incoming job queue (a LinkedList containing job descriptions) When no task can work, the t…… -
Java – can I programmatically detect whether there are any chromecast devices on the current WiFi network?
Whether you can detect whether there are any chromecast devices on the current WiFi network I've seen a cast SDK, but …… -
How to make static methods thread safe in Java?
I'm creating a web application and I'm experiencing thread safety issues After reading several similar questions, I am…… -
VHDL test results are converted to JUnit (or other Jenkins approved) format
I am setting up automatic regression testing for FPGA projects, almost entirely as follows: > Continuous integratio…… -
Java – delete items from the list or add build new list?
Usually, I have to iterate over an ArrayList and want to create a subset from it based on any condition From a perform…… -
Java – how to quickly load large txt files into BigInteger?
I'm importing a large 17 million bit text file. I'm using this Code: BufferedReader reader = new BufferedReader(new Fi…… -
Java – bufferedinputstream and blocking
I'm using bufferedinputstream to read from the socket The contents of bufferedinputstream are as follows: socketInput.…… -
Java – handling interruptedexception (error in Android?) while waiting for an exit signal
I've seen the following code, and I want to know if it's really what I think: synchronized(sObject) { mShouldExit …… -
Java – comparison of two empty objects of two different types
public void m1(Integer f) { public void m1(Integer f) { ... } public void m1(Float f) { ... } public void ma…… -
Stop the running process through the GUI in Java
I have a GUI program that executes TestNG automation scripts This means that users can easily configure certain settin…… -
Has java – Clone () really been used? How about defensive replication in getter / setter?
Do people almost always use defensive inhalers / installers? For me, 99% of the time I intend to take the object you s……