Java
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Commercial Java analyzers have an advantage over free ones The one in NetBeans?
Occasionally, I have to do some analysis of Java code. What I want to know is why my boss will investigate in business…… -
How to convert floating point numbers to 4 bytes in Java?
I haven't been able to convert such things: byte[] b = new byte[] { 12,24,19,17}; Become something like this: float my…… -
Java – httpurlconnection conn.getrequestproperty returns null
I'm trying to push some data to the URL of BES (mds_cs) @ h_ 502_ 2 @ when I set some request headers in my code and s…… -
Java – jtextarea auto wrap resize
So, I'm at JPanel (@ r_104_ 2419@Layout ）Jtextarea. On I also have @ R_ 104_ 2419 @ the stuffer fills the rest of the…… -
Matching non spaces in Java
I want to detect strings that contain non white space characters Now I'm trying: !Pattern.matches("\\*\\S\\*",city) Bu…… -
Download – IE9 streaming files to browser when suspended
I use the following methods to stream files (usually Excel or PDF) to my browser It operates by setting the location o…… -
Java – access annotations in UIMA
Is there any way in UIMA to access annotations from tokens as they are in the CAS debugger GUI? Of course you can acce…… -
Java – if you have only one write thread, do you need special concurrency?
Assumptions: >Only one specific thread can set a reference field (not long or double, so writing it is atomic) >…… -
Java checkstyle – constructor definition for wrong order
I have a course that looks like this: public final class OrderedSetList<T extends Comparable<? super T>> i…… -
What tools are available to audit changes to Java interfaces?
Does anyone know of any tool that can summarize the changes of Java interfaces between different versions? (by interfa…… -
Java – how to reload a resource package in a web application?
I use the resource bundle as a Java class to read values from the database When I update dB, I need to reload the bund…… -
Algorithm – the large O and Ω of the worst-case running time are the best cases, but why do you sometimes use Ω in the worst case?
I'm confused. I think you use big O runtime in the worst case. Ω is the best case? Can anyone explain? Not (LG n) the …… -
Java 8 stream – why is the filter method not executed?
See English answers > why does java8 stream generate nothing? 3 Stream.of("d2","a2","b1","b3","c") .filter(s -&…… -
Java – why are indexes inclusive but exclusive?
In Java API methods, such as: > String. substring(int beginIndex,int endIndex) > String. subSequence(int beginIn…… -
Java – when the field vars is final, do you need a getter?
In Java, the Convention (for me) is to make your field variables private and use getters and / or setters to access th…… -
Java – get the full string stack trace containing the inner exception
Java's e.printstacktrace() does not print all the details of the stack trace of the inner exception Is there a ready w…… -
java. io. File (parent, child) does not work properly
I'm trying to build a java file object based on the file name provided by the user (which can be absolute or relative)…… -
It’s javax naming. InitialContext ThreadSafe
At present, I am using the following code to find EJB 3 saturated session beans for normal POJO classes (we are in jee…… -
Java – convert small endian files to large endian files
How to convert a liitle endian binary file into a large endian binary file I have a binary file written in C. I read t…… -
java – Hibernate 5.2. 2: There is no persistence provider for entitymanager
Hibernate 5.1. 1 and 5.2 What's the change between 2? If I use 5.2 2. I will receive an error message "persistence pro…… -
java – @BeforeClass vs static {}
I'm writing some test cases using JUnit I need to initialize some static variables that will be used for all test case…… -
Convert java to target C
I'm trying to convert java code to objective - C. The following course is Extension of package com.TestCode.api; impo…… -
Java httpurlconnection – post with cookie
I want to send a release request with cookies This is the code: try { String query = URLEncoder.encode("key","UTF…… -
Java – how do I import an existing file into the IntelliJ 10 ide?
I've used eclipse before I changed it to IntelliJ Now I want to know how to import an existing file into the IntelliJ …… -
How to figure out which class in Java is called a method?
How do I find a class called my method without passing any variables to the method? Class A{} Class B{} Class C{ publi…… -
Java – guava eventbus scheduling
I use guava's eventbus to start some processing and report results This is a very simple compiled example: import com.…… -
Java – get enumeration values through reflection
I have an enumeration like this: public enum Mode{ RUNNING("SytemRunning"),STOPPED("SystemStopped"),IDLE("tmpIdle");…… -
Calculating SHA-1 hash values in Java and c#
Calculating SHA-1 hash values in Java and c# I'm trying to copy the logic of a Java application in a c# application Th…… -
Java – accessing files in JUnit tests in the gradle environment
Now I have a Java library with a test class In this class, I want to access some files located on my hard disk build. …… -
JComponent. How does paintimmediately () run in Java swing?
My understanding: public class PaintingDemo { public static void main(String[] args) { final JFrame frame…… -
Java – JAXB: how to annotate classes to belong to different namespaces?
I want classes with JAXB annotations What I need is: What should I do? Is it programmable? (JAXB. XJB binding file is …… -
Direct Java / groovy and ETL tools (talend / etc) – which libraries will you use?
Suppose you have a small project that looks like an ETL tool, such as talend But further assume that you have never us……