Java 归档 - Page 70 of 655

Java – serialization and subclasses

If I define a class as serialable, when I create a subclass, it will require me to define a serialVersionUID Is this n……

Java

2020-09-03

Is there the equivalent of colander / dictshield for Java / Scala?

Colander is a python pylons tool for: It is a bit like orm of semi-structured data; In my opinion, it will be particul……

Java

2020-09-03

java – org. apache. struts. action. Actionmessage cannot be cast to org apache. struts. action. ActionError

I'm working on Struts 1 2. Application I created a formbean that extends validatorform and then overridden the method ……

Java

2020-09-03

Java – capture EditText lost focus

I am a long-term, self-taught amateur VB programmer. Now I am trying to teach myself Java and Android I say so, so you……

Java

2020-09-03

How does garbage collection work with session objects in Java?

How does garbage collection work with session objects in JSPS? Will each session collect garbage after the session exp……

Java

2020-09-03

Upgrade path of Java – JSON file format

We use Jackson to store user preferences for Java applications in JSON files As we continue to develop applications, w……

Java

2020-09-03

Java：System. Getenv (“appdata”) returns null. What is it now?

I just found that when a java program is started on windows as another user through "run as..." (from the context menu……

Java

2020-09-03

Java – how do you know all the exceptions that a method can throw

Is there any way to get some details about the exception security of Java standard classes? Mainly using C and C #, I ……

Java

2020-09-03

Java EE – NetBeans generate different JPA code in “JPA controller from entity beans” and “JSF page from entity beans”

When using JPA entity beans in Java EE and web projects, there are two different JPA code generator wizards in NetBean……

Java

2020-09-03

Java – test for color equality

I was finishing the breakout task from the Stanford speech (still green) on iTunes u and got into a roar I'm trying to……

Java

2020-09-03

Java – PDF417 image generation API recommendation

In Grails application, I need to generate PDF417 image and send it by email Who can recommend me a (hopefully free) Gr……

Java

2020-09-03

“Change the modifier of ‘frame’ to ‘static’ in Java”

I was told by eclipse to change the modifier of my string variable to static I don't understand why I think I'm declar……

Java

2020-09-03

Java algorithm problem

Problem statement: in Java, given an integer array, can you select a group of integers so that the group is added to t……

Java

2020-09-03

Java – is it a good habit to package SQL databases in jars?

I want to create a Java library without any dependencies, but it needs to use an embedded SQL database Is it a good pr……

Java

2020-09-03

Java – bouncycastle error: the key type in the ECDSA based signer is not recognized

I have been using bouncy castle's encryption library and RSA's encryption library for some simple tests What I'm doing……

Java

2020-09-03

Java – typesafe delegation without instanceof

I have a service program: filter(List<Criterion> criteria); Is there a good way to internally assign method call……

Java

2020-09-03

Java – ant creates filesets from (absolute) attributes, dirsets

In ant, I define some attributes to define some paths (absolute) required to build the system Most ant tasks require f……

Java

2020-09-03

ODBC interface / driver written in Java

I am looking for a way to expose my Java EE application server through ODBC connection That is; I need to provide the ……

Java

2020-09-03

Java – spring rest JSON binding

I'm trying to create restful services with spring Method accepts the "usercontext" object through parameters, that is,……

Java

2020-09-03

Java – binding methods to buttons in Android

There is a button in my layout, which contains the following attributes: Android: onclick = "nextq". In my java code, ……

Java

2020-09-03

Java / Android: get Facebook user information from graphic API and display it in textview

I'm working hard to learn java now, and I've been in-depth learning since Android faceobok API Now, I'm trying to get ……

Java

2020-09-03

Java – streaming data using httpurlconnection

I want to use httpurlconnection to open a long-term connection with the server through HTTP post and process the strea……

Java

2020-09-03

How to write GMM (Gaussian mixture model) in Java?

How to write GMM (Gaussian mixture model) in Java There are some implementations in MATLAB, but I'm looking for some d……

Java

2020-09-03

Java – no matter how the application starts, you can find the conf text

I'm new to Java I have some directory structures product/ conf/ classes/com/../.. Conf / contains some……

Java

2020-09-03

Java – a regular expression used to remove HTML tags from a string

I am looking for a regular expression to delete all HTML tags in the string from JSP Example 1 sampleString = "test st……

Java

2020-09-03

Java – find words that contain only the given characters: regex

I have a set of words For example, abc,adb,acb,cab,abcc,abk,bacc If I want to find only So, what I need is abc,bacc I ……

Java

2020-09-02

Fragments or no fragments? GAE / JAVA / JDO

I am currently porting some work from Mysql to Google App Engine / Java I am using JDO and the required low-level Java……

Java

2020-09-02

Model view controller – uses multiple interfaces with MVC dataannotations and metadatatype

I am using data annotations to apply validation to MVC ViewModel, which is a combination of several Entity Framework o……

Java

2020-09-02

Java – JPanel freezes my entire application when trying to draw

I'm writing the school project of Oregon Trail, and I'm implementing the hunting mini game We are using a model view d……

Java

2020-09-02

How to read large files in Java as blocks without being blocked?

Suppose you have a larger file and you have memory to process it You want to read n-byte files in turn and will not be……

Java

2020-09-02

Java – how to distinguish whether two IPS belong to the same computer?

We have client main programs and agents (both) on different computers The network configuration can be any type (we do……

Java

2020-09-02

Java – how to get “real” exceptions in JUnit instead of ejbexceptions when using ejbcontainer?

I am setting up unit tests in my Java EE application I am using JPA, JSF, NetBeans and GlassFish It is also my first r……

Java

2020-09-02

搜索内容

Java – serialization and subclasses

Is there the equivalent of colander / dictshield for Java / Scala?

java – org. apache. struts. action. Actionmessage cannot be cast to org apache. struts. action. ActionError

Java – capture EditText lost focus

How does garbage collection work with session objects in Java?

Upgrade path of Java – JSON file format

Java：System. Getenv (“appdata”) returns null. What is it now?

Java – how do you know all the exceptions that a method can throw

Java EE – NetBeans generate different JPA code in “JPA controller from entity beans” and “JSF page from entity beans”

Java – test for color equality

Java – PDF417 image generation API recommendation

“Change the modifier of ‘frame’ to ‘static’ in Java”

Java algorithm problem

Java – is it a good habit to package SQL databases in jars?

Java – bouncycastle error: the key type in the ECDSA based signer is not recognized

Java – typesafe delegation without instanceof

Java – ant creates filesets from (absolute) attributes, dirsets

ODBC interface / driver written in Java

Java – spring rest JSON binding

Java – binding methods to buttons in Android

Java / Android: get Facebook user information from graphic API and display it in textview

Java – streaming data using httpurlconnection

How to write GMM (Gaussian mixture model) in Java?

Java – no matter how the application starts, you can find the conf text

Java – a regular expression used to remove HTML tags from a string

Java – find words that contain only the given characters: regex

Fragments or no fragments? GAE / JAVA / JDO

Model view controller – uses multiple interfaces with MVC dataannotations and metadatatype

Java – JPanel freezes my entire application when trying to draw

How to read large files in Java as blocks without being blocked?

Java – how to distinguish whether two IPS belong to the same computer?

Java – how to get “real” exceptions in JUnit instead of ejbexceptions when using ejbcontainer?

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