Recent questions tagged Java

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java - How to display the firebase data in listview?

I tried to receive the data from firebase using others people code but the app will be force stop. And I ... the data from firebase in listview See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JDBC, MySQL: getting bits into a BIT(M!=1) column

I'm new to using JDBC + MySQL. I have several 1/0 values which I want to stick into a database with a ... flat text files with 1/0 characters. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Secure Spring-Webscoket using spring-security and access principal from websocket message

Spring Security is very nice framework widely used for Authentication & Authorization. I have a requirement in which ... } Please replay ASAP. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Passing a method from another class

I want to call a method from one class to another, don't know if that's possible without extends the class ... class 1 in is acessible in scope See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - registering converter for property in BeanPropertyRowMapper

I am using org.springframework.jdbc.core.BeanPropertyRowMapper to convert the results of a JDBC statement ... using the BeanPropertyRowMapper? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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458 views

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java - Error with PreparedStatement

So I have a method which returns the items names that I get. But with the first query it returns an ... results = state.executeQuery(sql); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What is the default package name for Struts in struts.xml?

I created a new class called RegesterAction but I didn't keep this class in any package. How can I configure ... result> </package> </struts> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Could not find @PathVariable [pathVars] in @RequestMapping Spring MVC

i am just a newbie to the spring MVC following is my code,When i try to go to bye i get following error Could ... the Apache Tomcat/6.0.43 logs. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Document root element "beans", must match DOCTYPE root "null"

I've got an xml parsing error that I can't manage to track down. The error appear when tomcat try to ... right direction to fix this error? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android Set Custom Preference Layout

I'm working on it Android project. I have a prefs.xml code, something like this <?xml version="1.0" ... can i solve this problem? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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783 views

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java - ClassNotFoundException: com.microsoft.sqlserver.jdbc

When I ran my web application under Eclipse IDE everything worked fine. But when I exported my project into war-file ... .0.20, sql server 2005 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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490 views

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java - Problems with images when compiled

I have been all over the internet trying to work out how to get an image icon displayed after compiling into a runnable ... { new Gui(); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android screen sizes support

I have carefully read the documentation in http://developer.android.com/guide/practices/screens_support.html and another ... Thanks in advance, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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462 views

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java - How to use a Google Map in a NavigationDrawer?

I am relatively new to Coding but please bear with me. I am trying to put a Google Map in a navigation ... guides but nothing solved my issue. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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765 views

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java - How to add external libraries in NetBeans IDE?

I downloaded the jar 4.3.1-bin.zip in http://hc.apache.org/downloads.cgi But I don't know how to use ... not exist Can anybody help me? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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555 views

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java - chromedriver fails on windows jenkins slave running in foreground

Is there a trick to getting Win Jenkins slave to be OK with chromedriver? My tests pull chromedriver and portable ... } return chromeExe; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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485 views

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java - Failed to connect to spark master:InvalidClassException: org.apache.spark.rpc.RpcEndpointRef; local class incompatible

I Installed Spark on Linux machine. the version is spark-1.6.2-bin-hadoop2.6.tgz. ... invokeChannelRead(AbstractChannelHandlerContext.java:308) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to send JSON data via POST (Ajax) and receive JSON response from Struts 2 action

I am trying to understand how to use JSON and in the process I'm trying to get a JSON response from Struts2 ... .3.15</version> </dependency> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

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java - Is it possible to download a binary file from JSP?

I think is it quite possible, but I'm not sure. I don't have the possibility to use servlet directly, ... other thing that already handles that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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596 views

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java - generating cert for use with python requests getting PEM lib error

I have an application which I'm doing self-signing certificates for using the documentation here. The application loads ... lib (_ssl.c:2580) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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442 views

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java - How to change the style of letters depending on the displayed letters in android

I would like to where there is A, B, C, D, E .... change the style letters on a bold and change ... (View) convertView; } return gridView; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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471 views

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java - Get a list of bean type without being mapped in Hibernate

I don't know if this is even possible in hibernate. Can I get a list of a bean type (which hasn't been ... ; } Any help will be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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397 views

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java - How can I terminate Tasks that have timed out in multithreading?

I need to make a library in which I will have synchronous and asynchronous methods in it. executeSynchronous() ... provide an example for that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - error message : stream closed

Upon running following code under class FlightSearch String moreSearch = "y"; List<Flight> resultList; // load initial ... loop but in vain. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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507 views

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java - Why is string to date and back to string resulting in two different strings?

My input string is: "2016-06-13T14:20:09.866Z" My output string is: "2016-06-13T10:20:09.866-04" ... Locale.ENGLISH); dateFormat.format(date); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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602 views

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java - Can Jackson check for duplicated properties in a case insensitive way?

I am using Jackson JSON to convert some JSON objects to POJO classes. This deserialization should be case ... fail under such circumstances? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

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java - How to edit a text that is converted into image? or any other approach to realize/edit text

For my project I want to resize text just like in Adobe Photoshop. But when I tried resizing(by mouse drag) the ... etc). Any idea on this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

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java - Splitting child node from XML file into their own XML files

I have an XML file (on the left) and I want to create multiple files (on the right): <ParentNode ... in the right direction appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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