Recent Posts
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Does the Java – eclipse debugger support save / restore or checkpoint / rewind?
I mean the following, illustrated by an example: I started my java application (which happens to be a simulator) The a…… -
Java – operator priority issues cause “error: unexpected type”
Due to many operator priority problems recently, I began to use some code and came up with this: int x = someNumber; i…… -
Java – find out if one circle is inside another
I'm in a bit of trouble. I have a task asking me to find a second circle, whether it overlaps, inside or in the second…… -
How to delete records (strings) Java and MySQL
I successfully deleted an integer, but when I tried to change it to string, it would say Here is my code: private void…… -
Generate a range of random even numbers in Java
The posts I read almost explained this problem, but they all use integer values. To be honest, I don't fully understan…… -
How do I create an ArrayList from array in PowerShell?
I have a list of files in the array I want to enumerate these files and delete specific files from them Obviously, I c…… -
Java – butterknife @ injectview problem updated to 7
I'm using @ injectview to get many of my views They stopped working after I updated to the latest version 7? What happ…… -
Java – how to measure thread stack depth?
I have a 32 - bit Java service with scalability problem: the number of users is very high because of too many threads …… -
Java – eclipse link Moxy JSON serialization
I have an example class: class Zoo { public Collection<? extends Animal> animals; } When serializing with Mo…… -
Java char array is int
Can a char [] array containing numbers be converted to Solution Does char [] contain Unicode characters that make up n…… -
java – Calendar. Before (object when), why object?
From Javadoc's calendar before(Object when)： Returns whether this calendar represents the time before the time repres…… -
java. util. regex. Can pattern do partial matching?
Whether you can know whether the stream / string contains input that can match the regular expression for example Stri…… -
Java – docker creates huge image sizes
I pull the base Ubuntu: the latest image (192.7 MB in size), only Oracle java7 (JDK) (tar.gz ~ 53MB in size) is instal…… -
Java – draw freely on Google maps with your finger
I want to implement a custom module for free drawing on Google maps When it comes to implementation, I find that Googl…… -
Java – what namespace does the JDK use to generate a UUID named uuidfrombytes?
The sun / Oracle JDK exposes a function used in Java Create a UUID of type 3 (name based) in the util package: Java ut…… -
Java – PostgreSQL JDBC table valued parameter
MSSQL has a good function called table - valued parameter It allows you to pass tables of custom data to stored proced…… -
How to make soap calls in Java
It should seem simple, but maybe I missed something I just want to make soap calls in Java, and it's best to use only …… -
Java – how to generate RSA keypair using password encrypted private key?
I want to generate the private key pkcs8 format for key encryption. I try to use this Code: String password = "123456"…… -
Java – spring MVC cross domain validation: code smell?
Is this a taste of code or the best way to implement cross field verification in spring forms? @FieldrequiredIf.List({…… -
Java – can the final method be emulated in powermockito in a non final concrete class?
Suppose I have a non - Final concrete class, and the last method is as follows public class ABC { public final Strin…… -
Event listeners in Java
I've been using the event listener in AS3, but it doesn't seem to be in Java (except graphical components) Amazing The…… -
Java – connection using connectionpooldatasource
Connect to the database I need I intend to use the connectionpooldatasource class But how to use this instance to set …… -
Java – does it make sense to have an SQL Preparedstatement pool?
See the English answer > Preparedstatement pool with connection pool 1 Solution I think what you are looking for is…… -
Java – a good example of ant best practices
I've read a lot about ant and explained various options. I've read a lot of ant documents, but I don't know the "right…… -
How to print Java class garbage collection events?
java version "1.5.0_14" java version "1.5.0_14" Java(TM) 2 Runtime Environment,Standard Edition (build 1.5.0_14-b03) J…… -
Is this an error in the Java gzipinputstream class?
I noticed that some of my gzip decoding code didn't seem to detect corrupted data I think I've traced the problem back…… -
Java – how to modify the web environment entry in GlassFish 4
On my web In XML, my webapp application has the following elements: <env-entry> <env-entry-name>aMessa…… -
Java – how to combine left join and where clauses with jpql?
I have two JPA entities: >Attached table (including appointment list) > appointment (including date field: date …… -
Use java to find SSID of wireless network
We are writing a project in Java (compiled for JRE 1.6) and need some help After browsing this website, we have learne…… -
Java – how to get an inner class to inherit the generic type of the enclosing class?
I'm using java 6 Let my inner class use the same generic class as its closed class At present, I have public class Ter…… -
Java eventually blocks and throws exceptions at the method level
In readfilemethod1, IOException is explicitly captured before it is thrown at the method level to ensure that the fina…… -
Java – implement ` hashcode() for very simple classes`
I have a very simple class with only one field member (such as string) Implementing hashcode () can simply return fiel……