Java 归档 - Page 364 of 655

Java – network quality metrics on webapp

Is there any way to indicate the current network quality of the client on the web application (some type of bar, simil……

Java

2019-12-19

Java – Maven has the same properties for each profile

I am faced with the Maven attribute of each configuration file I have two profiles, each with the same attribute 'prop……

Java

2019-12-19

Java – can I pass parameters to enum values?

Suppose I have an enumeration defined as follows: public enum Sample{ // suppose AClass.getValue() returns an int ……

Java

2019-12-19

Java – can spring / JPA / Hibernate use simple JDBC compatible drivers?

We have an application that uses the spring container on the server. It uses EJB 3 entities and hibernate to persist t……

Java

2019-12-19

Java – streaming remote files into file objects

If someone knows how to stream remote files directly to file objects, it is not necessary to temporarily store files o……

Java

2019-12-19

Java – groovy classes are not collected, but there are no signs of memory leaks

I have a Java class that dynamically reloads groovy classes using a custom class loader. I see some strange behaviors.……

Java

2019-12-19

Java – how to index and search numbers in Lucene 4.1

In my 3.6 code, I add numeric fields to my index as follows: public void addNumericField(IndexField field,Integer valu……

Java

2019-12-19

Java – integration with Jersey and spring grizzly2 2.X

I have successfully added grizzly v2 1.9 integrated with Jersey and spring But I'm trying to migrate grizzly to versio……

Java

2019-12-19

Java – does the custom Lombok extension require a Lombok package?

I've been trying to add custom comments to Lombok My starting point is the source code on GitHub I added a working com……

Java

2019-12-19

JavaMail and non ASCII characters in file names

I can send attachments with non ASCII file names in JavaMail, but I can't download them I specifically get Java. Java ……

Java

2019-12-19

Call directly ` clojure lang.Compiler. Compile ` to AOT compile clojure from Java

Use clojure lang.Compiler. Is it legal for compile to compile clojure from Java? Our Java application is used to pass ……

Java

2019-12-19

Is java – WADL the standard for rest applications?

Is WADL a true standard like WSDL? I created a HelloWorld example in Jersey, and I got WADL from the URL Then I use "W……

Java

2019-12-19

Java – how to display the drop-down menu of a command after clicking the command icon?

In the eclipse RCP application, I have a custom view and provide a drop-down command in the toolbar of the view: <m……

Java

2019-12-19

After adding its own interface, Java will throw notserializableexception

People, I'm sticking to the new android app I'm developing For the application (card game), I need to save some data I……

Java

2019-12-19

Java – how to use resteasy to implement OAuth 2.0 in Google App Engine?

I am developing Google App Engine rest service. I want to use OAuth 2.0 for authentication I add the following code to……

Java

2019-12-19

JPA: use @ generatedvalue on non ID columns

I try to stick to an entity with attributes I want to populate from the DB sequence I am using Oracle to create a sequ……

Java

2019-12-19

Java – FreeMarker, can I set the computer number format by default?

About FreeMarker, can you tell it to treat all numbers as "computers" by default? I tried to apply cfg.setSetting(Conf……

Java

2019-12-19

Java – eclipse shortcut for declaring variable names as method parameters

Suppose we have such a variable: byte[] someByteArray; And such a method prototype: public void someMethodRequiringStr……

Java

2019-12-19

Java – password protected applications in Tomcat

I am developing web applications using jsp servlet, and I use Tomcat 7.0 33 as a web container So my requirement is th……

Java

2019-12-19

Java – how to get entity size in gae / J?

The gae document mentions that the maximum entity size is 1MB Because I store a lot of data in entities, I want to kno……

Java

2019-12-19

Java – getting started with Oracle Database

I was assigned the task of making Java Web applications work with Oracle databases I don't know where to start I hope ……

Java

2019-12-19

Java – localize Jfilechooser “all files” string

I'm using Jfilechooser to develop a Java application where users can switch languages Locale.setDefault( Locale.ENGLIS……

Java

2019-12-19

Java – exceptionhandler in spring

import org.springframework.beans.TypeMismatchException; import org.springframework.beans.TypeMismatchException; import……

Java

2019-12-19

Java – spring JDBC declarative transaction management in karaf

I have a project module that is built as an OSGi package (spring DM) I can't set up declarative transactions. Someone ……

Java

2019-12-19

Java – check whether the object is an instance of list

I have an object that sometimes contains list < Object > I want to check it with instanceof, and if so, add some……

Java

2019-12-19

Java – JPA one-to-one relationship, where the entity may not exist

I have many to one mapping between two entities (A and B, and a B can be associated with many as). I need to be able t……

Java

2019-12-19

JNI returns the signal 7 function and tries to call Java from C

I want to make a call from C to Java I try to call a function to invert a bool value without parameters This is my C c……

Java

2019-12-19

java – Jongo vs(DBObject)JSON. parse

I try to find out the advantages of Jongo instead of simply using (dbobject) JSON Parse (...) unmarshalls the JSON com……

Java

2019-12-19

Avoid nesting if else / switches – Java

I'm reviewing some code (Java) and making changes according to the business logic flowchart The current code relies on……

Java

2019-12-19

Java – store data in memory

I have "table a" in the database, which contains three columns "col 1", "col 2" and "col 3", with about 1000000 (1 mil……

Java

2019-12-19

Java – the real advantage of the factory model

I've been using the factory model for a year Sometimes I just think the real advantage is clean code Let me explain, i……

Java

2019-12-19

Java is equivalent to Matlab’s’ EPS’ or numpy / Python’s’ spacing ‘function (floating point relative precision)

background Matlab's built-in EPS function [1] can take a value x and return "the positive distance from ABS (x) to the……

Java

2019-12-19

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Java – network quality metrics on webapp

Java – Maven has the same properties for each profile

Java – can I pass parameters to enum values?

Java – can spring / JPA / Hibernate use simple JDBC compatible drivers?

Java – streaming remote files into file objects

Java – groovy classes are not collected, but there are no signs of memory leaks

Java – how to index and search numbers in Lucene 4.1

Java – integration with Jersey and spring grizzly2 2.X

Java – does the custom Lombok extension require a Lombok package?

JavaMail and non ASCII characters in file names

Call directly ` clojure lang.Compiler. Compile ` to AOT compile clojure from Java

Is java – WADL the standard for rest applications?

Java – how to display the drop-down menu of a command after clicking the command icon?

After adding its own interface, Java will throw notserializableexception

Java – how to use resteasy to implement OAuth 2.0 in Google App Engine?

JPA: use @ generatedvalue on non ID columns

Java – FreeMarker, can I set the computer number format by default?

Java – eclipse shortcut for declaring variable names as method parameters

Java – password protected applications in Tomcat

Java – how to get entity size in gae / J?

Java – getting started with Oracle Database

Java – localize Jfilechooser “all files” string

Java – exceptionhandler in spring

Java – spring JDBC declarative transaction management in karaf

Java – check whether the object is an instance of list

Java – JPA one-to-one relationship, where the entity may not exist

JNI returns the signal 7 function and tries to call Java from C

java – Jongo vs(DBObject)JSON. parse

Avoid nesting if else / switches – Java

Java – store data in memory

Java – the real advantage of the factory model

Java is equivalent to Matlab’s’ EPS’ or numpy / Python’s’ spacing ‘function (floating point relative precision)

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