我是Android Studio的新手。 我一直在遵循有关如何从Flickr浏览器显示数据的教程。 该应用程序在AVD上运行，该应用程序显示设计，甚至显示“ Hello World”吐司 消息，但是从提供的URL中获取的是空值而不是原始数据？ 是只有我还是其他任何人也遇到此问题？ 任何帮助或建议将不胜感激：） enum DownloadStatus { IDLE, PROCESSING, NOT_INITIALISED, FAILED_OR_EMPTY, OK} public class GetRawDa...

The program on which I am working is for recording screen. So in order to pause,resume and start I must receive Input from the keyboard even when my component has no focus. This is done using Intellitype files by melloware. I am using NetB...

在下面的代码中，我在第25行（专用帐户getAccount）收到标识符预期错误。为什么会发生这种情况，我该如何解决？还有一种方法可能引发多个异常吗？我专门询问存款方法，它会抛出多个异常吗？谢谢！ class Banking { static final int CAPACITY = 100; final Account[] accounts = new Account[CAPACITY]; int nOfAccounts = 0; int createAccount(String...

想过一段时间后更新我的应用程序，但现在崩溃了。 我收到以下错误消息： *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'App called -statusBar or -statusBarWindow on UIApplication: this code must be changed as there's no longer a status bar or status ...

我真的已经把这个弄糟了一段时间，但我想不出来。 我正在制作突破游戏，但突然出现此错误： Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1 at com.spil.Entre.sortTable(Entre.java:388) at com.spil.Entre.printScores(Entre.java:440) at com...

I am writing a Spring-MVC application. There is a method for changing the password. Everything works fine, and all error handlers work just as well, except for NullPointer. If the login is entered incorrectly, it successfully processes the error and then g...

我不明白如何处理以下错误： In the class CustomerService I delete the customer by id, and if such an id does not exist, then an error must be thrown! It seems I did it through try catch, registered an error, but now the following error is thrown, why null ?: 2020-04-26...

我将HTML存储在sqlite db类中，我需要更新该html的文本。当我进行更改并运行我的应用程序时，出现以下异常。不确定为什么未创建文件 at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930) 2020-04-06 07:09:41.540 2...

The following example was created to illustrate my problem, I'm fully aware that better options exist for modelling an abstract class and subclass. Character class: from abc import abstractmethod class Character: def __init__(self, *args): se...

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我正在为一个课堂项目创建一个“猜谜游戏”。这个想法是，用户将尝试猜测一个数字，而GUI将显示他们还剩下多少次尝试。 MyCustomTooHighException和MyCustomTooLowException都扩展了Exception。所以，我的问题是，每当我运行我的代码时，它似乎都要经过两次GuessCheckNumber方法，而且我不太确定为什么。 这是我的GuessTheNumberMethod： public class GuessTheNumber extends JFrame{ publi...