LxLxBlog

Java – understand the order of elements in the stream generated from the HashSet

I read this official JAVA 8 document: Try to understand the above behavior through this code public class StreamOrderV……

Java

2020-01-23

Java – number of recorders used

I am working with a very large Java application using log4j, and I wonder if there is a way to extract the number of a……

Java

2020-01-23

Java – how to set the canvas size?

I have a class called seatspanel. I draw seats in the OnDraw method (using drawRect) The OnDraw method uses canvas as ……

Java

2020-01-23

Java – how to create gradle sharedmanifest for multiple projects?

I have several Java projects These projects use gradle to create jar, war, and ear files In each project, I use manife……

Java

2020-01-23

Java – the eclipse debugger “skips” important code

I have a strange problem debugging Android applications // Get the puzzles from cache List<PuzzleDetails> newPuz……

Java

2020-01-23

Java – can regular expressions be used for jetty’s servlet mapping?

I have this mapping <servlet-mapping> <servlet-name>service</servlet-name> <url-pattern>/servi……

Java

2020-01-23

Java – how do I check if a byte array is empty?

I am using the following code to get the uploaded file @POST @Path("update") @Consumes(MediaType.WILDCARD) ……

Java

2020-01-23

Java – getting, (#803) there is no error in some aliases you requested

When I try to get data from Facebook using the graphics API, I get this error, {"error": {"message":"(#803) Some of th……

Java

2020-01-23

Java – how to terminate matcher Find() when it runs too long?

I want to know the technology of terminating long-running regular expression matching (Java matcher. Find () method) M……

Java

2020-01-23

Java – WebSockets with multiple data in onmessage annotation

I'm using WebSockets I want to use multiple @ onmessage overloaded methods with different data types @OnMessage public……

Java

2020-01-23

Generate UML from Java source

Because I have a big project, I have to generate UML for it Writing UML for 300 classes is excessive So is there any s……

Java

2020-01-23

Java – a schema that uses JDBC to connect to different databases

I am writing an application that must be configurable to connect to Oracle, SQL server and MySQL according to the idea……

Java

2020-01-23

Share_ PTR is used with swig directors for Java

I began to understand swig. It seems that the latest version of swig (V3.0) can only handle all the contents I use out……

Java

2020-01-23

How to understand whether behvior will use static or dynamic binding in Java?

I understand at a low level what static (compile time) and dynamic (run time) bindings are I understand in a way why i……

Java

2020-01-23

Java – CTR mode uses initial vector (IV)

As far as I know, CTR mode does not use initial vectors Other block cipher modes, such as CBC, XOR plaintext using ini……

Java

2020-01-23

Java – unit testing of methods that use mockito to call multiple other methods

Maybe I didn't do it at all in the search, but I can't find any documentation or discussion about how to write unit te……

Java

2020-01-23

Get the file creator / owner attribute in Java

I'm trying to read the file list and find the user who created the file With the * Nix system, you can perform similar……

Java

2020-01-23

java – Spring @Resource Handling

I'm at @ L_ 502_ There was a problem with the field annotated @ resource in the 0 @ bean Yes) I have: A field with set……

Java

2020-01-23

Java – ormlite – how to create objects and populate external collections?

I'm trying to create an object and populate the members of the external collection held by the object in an operation ……

Java

2020-01-23

Java – how to calculate an average using mongodb and numberlong

I tried to use the mongodb Java driver to calculate the average value of the collection, as follows: DBObject conditio……

Java

2020-01-23

What is the most valuable Java object database?

The most valuable Java object databases are: >Easy to use: one line of code stores any object. > Effective memor……

Java

2020-01-23

Random enumeration of hash tables in Ocaml

Sorry, it's a long question I decided to explain the background of the problem first, because my problem may have othe……

Java

2020-01-23

Java – bit strings: check whether one bitstring is a subset of another

I represent this group of English letters as a 26 bit string The first bit corresponds to 'a', the setting bit corresp……

Java

2020-01-23

Java compiler of JDK 1.6: how to write class bytes directly into byte [] array?

So I recently learned about the new Java compiler API provided in JDK 1.6 This allows string to be compiled directly f……

Java

2020-01-23

Java – spring security displays “bad credentials” even before submitting the form

I have the following spring safety code, but it doesn't work When I open the login page and enter the user name / pass……

Java

2020-01-23

Java – in memory scanning of files, ideally using ClamAV

We are implementing an enterprise application that focuses on security, including uploading files These files need vir……

Java

2020-01-23

Java – when the difference between methods is a parameter subtype, null is passed to the overriding method

See English answer > which overload will get selected for null in Java? 3 Why does the virtual machine call this me……

Java

2020-01-23

Java – anyone can explain tools to me The functionality of jar (which is tied to the JDK / lib folder) and why does it need it?

I'm in Java Encountered tools in so Jar file, want to know what it is used for? I searched a lot, but I couldn't find ……

Java

2020-01-23

How to extend Jython class in Java class

resolvent

Java

2020-01-23

Detailed explanation of page jump function realized by intent in Android programming

This paper describes the implementation of page jump function by intent in Android programming. Share with you for you……

Android

2020-01-23

Example of rounded rectangle with gradient effect implemented by Android programming

This article describes the example of Android programming to realize the rounded rectangle with gradient effect. Share……

Android

2020-01-23

Android realizes the switching effect of loading state view

The details of Android loading status view switching are as follows 1. Introduction to Android interface switching sta……

Android

2020-01-23

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Java – understand the order of elements in the stream generated from the HashSet

Java – number of recorders used

Java – how to set the canvas size?

Java – how to create gradle sharedmanifest for multiple projects?

Java – the eclipse debugger “skips” important code

Java – can regular expressions be used for jetty’s servlet mapping?

Java – how do I check if a byte array is empty?

Java – getting, (#803) there is no error in some aliases you requested

Java – how to terminate matcher Find() when it runs too long?

Java – WebSockets with multiple data in onmessage annotation

Generate UML from Java source

Java – a schema that uses JDBC to connect to different databases

Share_ PTR is used with swig directors for Java

How to understand whether behvior will use static or dynamic binding in Java?

Java – CTR mode uses initial vector (IV)

Java – unit testing of methods that use mockito to call multiple other methods

Get the file creator / owner attribute in Java

java – Spring @Resource Handling

Java – ormlite – how to create objects and populate external collections?

Java – how to calculate an average using mongodb and numberlong

What is the most valuable Java object database?

Random enumeration of hash tables in Ocaml

Java – bit strings: check whether one bitstring is a subset of another

Java compiler of JDK 1.6: how to write class bytes directly into byte [] array?

Java – spring security displays “bad credentials” even before submitting the form

Java – in memory scanning of files, ideally using ClamAV

Java – when the difference between methods is a parameter subtype, null is passed to the overriding method

Java – anyone can explain tools to me The functionality of jar (which is tied to the JDK / lib folder) and why does it need it?

How to extend Jython class in Java class

Detailed explanation of page jump function realized by intent in Android programming

Example of rounded rectangle with gradient effect implemented by Android programming

Android realizes the switching effect of loading state view

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