包含标签：Java 的文章
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Multithreading – multiple UI threads on the same window
I don't want multiple windows. Each window has its own UI thread. I don't need to raise events on a single UI thread i…… -
Java – static variables, patterns and Android performance
I am doing some major refactoring operations. Compared with some performance improvements in Android applications, it …… -
Youtube API search response (Java)
Using Java's Youtube API, I did a video search Load size: / / developers google. com/youtube/v3/code_ samples/java#sea…… -
How do I get the fifth root in Java?
I'm trying to get the fifth root of the number for my program I used math pow(a,b); The way to get this, but for some …… -
Java – how to use MDC to dynamically create log file names in log4j 2
I'm trying to generate different log files based on the values passed through MDC in log4j After trying several method…… -
Java – any possibility of using jpaupdateclause for batch updates in querydsl?
Is it possible to use jpaupdateclause for batch update in querydsl? In exploring the jpuspdateclause class, I only fou…… -
Java – hibernate and criteria APIs return an object array instead of tuple
I'm trying the criteria API and I'm facing strange problems with tuples I am building a query similar to that describe…… -
Multithreading – consumer – producer: pauses the consumer if memory usage exceeds a certain threshold
I have a situation where my main thread (producer) allocates a large amount of memory for a task on the heap, some wor…… -
The test with transactionrequiredexception failed: when loading JPA and neo4j configurations, no transaction is in progress
I have a JPA web application that contains some integration tests for the JPA repository At present, there is no integ…… -
Java: parses string array items into, int, double, or string
import java.io.File; import java.io.File; import java.io.FileNotFoundException; import java.util.Arrays; import java.u…… -
Get all users and roles in Java webapp
Question: >Is there a general role for user and concept servlet containers? > If so, is there a container indepe…… -
Java – you want to use transactions in Hibernate queries to delete existing documents from folders and database values in tables
I have a file upload application After uploading the file, create a new document path and save the document in the fil…… -
Java code creates HTML files and dynamically adds lines
I want to create a log in Java HTML file, where I will dump the error to the HTML table row when the error is captured…… -
Java – buildfinished and buildstarted will not work properly
I'm from org apache. tools. ant. Defaultlogger of defaultlogger creates a subclass: public class ExtendedLogger extend…… -
Java – restart jars with root privileges on most, if not all, Linux distributions
I'm developing a Java application that requires root / administrator privileges to run properly If the user does not s…… -
Java – project Euler: procedural optimization of question 7?
So I call myself a fairly novice programmer because I mainly focus on my school hardware rather than many computer sci…… -
Java – why not = = work on a string?
See English answers > How do I compare strings in Java? 23 When I run this code, whenever I type "boy", it will onl…… -
Java generic pairs stored in HashMap cannot correctly retrieve key – > value
This is pair java import java.lang.*; import java.util.*; public class Pair<TYPEA,TYPEB> implements Comparabl…… -
Java – sort the vectors of custom objects
How to sort the vectors of custom objects and select the attributes to sort? I do see this question & answer, but …… -
Java – how to enable reasonable default caching for public files in Grails 3 applications?
I have a Grails 3 application with images, CSS and JS files under Src / main / resources / public These use the 'no ca…… -
Java – duplicate resource error using Duplicate Finder plug-in
I have a project consisting of many subprojects Consider the three modules a, B, C. B depends on a and C, depends on a…… -
Java – test the browser at the same time; Received error
Now, I'm trying my first test, which will test browsers chrome, Firefox, ie and safari at the same time But I got the …… -
Can I write “foreach” functions in Java?
In PHP, you can do foreach ($array as $key = > $value) {/ / code. Can you create a function in Java to execute fore…… -
Java – IntelliJ code formatting, keeping / * package * / on the same line
In some cases, it makes sense to use package visibility for certain methods /* package */ int getSpan() { return…… -
How to use multiple threads to execute map, filter and flatmap in rxscala / Java?
How to use multiple threads to run filter, map and flatmap on observable: def withDelay[T](delay: Duration)(t: => T…… -
Java – Lucene search even if it should return no results
I am creating a Lucene search application. I use multiple instances of different analyzers and indexwriters of their i…… -
Differences between different implementations assigned to a wider range of types in Java
I know that assigning subclass implementations to variables of interface type is a best practice to maintain flexibili…… -
Java – layout parameter layout_ Weight is ignored unless layout is also specified on the tag_ Width and layout_ height
I treat this message as an error and cannot run the application <include android:layout_weight="1" layout=…… -
Java – can I use the same POM Redefine imported Maven dependencies in XML?
I'm working in an application server environment, and I'm using BOM to collect dependency information, as follows: <…… -
Java – check if string x is equal to any string in string []
If the string entered by the user is equal to any string in the string array, I try to set a Boolean value of true I i…… -
Java – object cache data structure with “object expiration”
Which data structure in Java is best suited for in memory object caching, where objects have a separate expiration tim…… -
What non free tools do java developers like
Most of the developers I interact with are using eclipse (I prefer NetBeans) and will take advantage of many free plug……