Tutorial by Topics: errors

error [text] [number integer] ParameterDetailsunnamedA textual description of the error.numberThe error's number, an integer (usually negative).

There are many reasons a read or write operation may fail. A frequent one is because your security rules reject the operation, for example because you're not authenticated (by default a database can only be accessed by an authenticated user) or because you're writing/listening at a location where yo...

The example above has two tracking events, Event Tracking and Exception Tracking. Event Tracking will allow you to see JS errors in real-time. Under Real Time -> Events sections. Unfortunately, your error messages will be limited by 500 Bytes, so you will not be able to understand a problem p...

Code that compiles can still run into errors, at run-time. This topic lists the most common ones, their causes, and how to avoid them.

CustomErrors are a legacy (backwards compatable) element, used by Visual Studio Development Server (aka. VSDS or Cassini). httpErrors are the new element which is only used by IIS7.

Python has many built-in exceptions which force your program to output an error when something in it goes wrong. However, sometimes you may need to create custom exceptions that serve your purpose. In Python, users can define such exceptions by creating a new class. This exception class has to be ...

Top 10 Java Errors with Solutions Syntax Errors The most obvious errors one can face as a beginner are syntax errors. It’s completely fine to face such errors as you’re just starting to learn the language. You can look at syntax errors as the linguistic rules in any language. Once you start followin...