Java 归档 - Page 318 of 655

Java – reject hostkey: when deploying jars using gradle SSH plug-in

I'm trying to upload jars using gradle and use the gradle SSH plug-in: https://gradle-ssh-plugin.github.io/ Unfortunat……

Java

2020-02-13

Hash algorithm implemented by hash table

I am looking for high speed hash functions with good (i.e. near uniform) distribution for hash implementation Hash tab……

Java

2020-02-13

Simulating duck typing in Java

Question: I think I can generally access any property / field in Java Ojbect in Java, just like dynamic language (groo……

Java

2020-02-13

How to send fix messages using quickfix / J

I need a simple example of how to initialize a session and send a fix message I have this initial code: SessionSetting……

Java

2020-02-13

Java – does closing bufferedoutputstream also close the underlying OutputStream?

I call response Getoutputstream () streams binary data (extracted from the database as a CLOB CSV file) to the browser……

Java

2020-02-13

In the latest JDK7, using java failed hostname failed

I have got the host name of the machine as follows: InetAddress.getLocalHost().getHostName(); However, when I install ……

Java

2020-02-13

Java – import CSV data using Apache poi

How to effectively import CSV data through Apache POI? If I have a very large CSV file that I want to store in my Exce……

Java

2020-02-13

Java PDF manipulation and rendering

I hope this problem will become a comprehensive guide to PDF manipulation and rendering in Java I have a fairly compre……

Java

2020-02-13

Java – how to run different jobs of Apache nutch in parallel

I use hen 2.3 All jobs run one after another, that is, the first generator, extraction, parsing, indexing, etc I want ……

Java

2020-02-13

How to quickly annotate a few lines of code in Java?

I want to test the runtime of some code blocks as follows: start = System.currentTimeMillis(); { ... this.dosome……

Java

2020-02-13

Java – r.loess and org apache. commons. The difference between math and loessinterpolator

I'm trying to use Apache commons. Math library to calculate and convert r script into Java script You can use org apac……

Java

2020-02-13

Where did ORM fail?

I often hear people attack ORM for lack of flexibility and "vulnerability abstraction", but you really don't know why ……

Java

2020-02-13

Java – what is the difference between a normal interface class and an abstract class with only abstract methods?

I'm just curious if they have any different treatment For example, if we have: Interface: public interface Test { ……

Java

2020-02-13

Java – Design of objects and static methods

As shown in the figure below, there are two simple ways to make the streaming copier (Introducing Apache commons or si……

Java

2020-02-13

. Net garbage collector

I've read a detailed article on the internal work of various garbage collectors in the JVM, but I'm finding it Net run……

Java

2020-02-13

Design using composition and interfaces in Java

I designed the following for a question: class Animal { // ... } class Guppy extends Animal { ... } class Pigeon exte……

Java

2020-02-13

Java – jax-ws, authentication and authorization – how?

What is the best way to authenticate and authorize in a web service? I am developing a set of Web services that requir……

Java

2020-02-13

Combining Java swing and java3d: concurrency performance issues

I combine swing with Java 3D The operation of swing component shall be completed using event scheduler thread, while t……

Java

2020-02-13

Java – spring 4 – find the interface org springframework. test. context. Testcontext, but the class is expected

I began to get "find the interface org. Springframework. Test. Context. Testcontext, but the class is expected". Sprin……

Java

2020-02-13

Java – decomposes int values into different numbers

I want to divide my int value into numbers For example, if not It's 542. The result should be 5,4,2 I have two options……

Java

2020-02-13

Java – r.loess and org apache. commons. The difference between math and loessinterpolator

I'm trying to use Apache commons. Math library to calculate and convert r script into Java script You can use org apac……

Java

2020-02-13

Java – simpledateformat cannot handle 12 months correctly

I'm trying to parse the string "2 / 20 / 2012 12:00:00 am" using simpledateformat. It seems that it will come out at 1……

Java

2020-02-13

Java: do sth in a period of time

I need a few lines of Java code to run x% at random Pseudo code: boolean x = true 10% of cases. if(x){ System.out.p……

Java

2020-02-13

How do I link two Java serialized objects together?

Sometimes (actually many), we get a Java case where two objects point to the same thing. Now, if we separate these ser……

Java

2020-02-13

How to write optimistic and pessimistic locking code from Java code

I know what optimistic and pessimistic locking are, but how do you do it when you write java code? Suppose I use Oracl……

Java

2020-02-13