How-to articles, tricks, and solutions about WARNINGS

Headers and client library minor version mismatch

If you are seeing this error message in PHP, it may be caused by a mismatch between the version of the PHP client library that you are using and the version of the API that it is trying to access.

php ubuntu mysqli warnings

How can I handle the warning of file_get_contents() function in PHP?

The file_get_contents() function in PHP is used to read a file and return its contents as a string.

php function exception warnings file-get-contents

How do I address unchecked cast warnings?

An unchecked cast warning in Java occurs when the compiler cannot verify that a cast is safe at compile time.

java generics warnings

How to fix 'Creating default object from empty value' warning in PHP?

This error typically occurs when a variable is accessed as an object, but it has not been initialized or set to an object.

php object warnings

PHP - warning - Undefined property: stdClass - fix?

It looks like you are trying to access a property of an object that has not been defined.

php object warnings

relative path in require_once doesn't work

The require_once function in PHP is used to include a specific PHP file in another file, but it will only include the file once to prevent multiple declarations.

php require-once warnings fatal-error

What causes javac to issue the "uses unchecked or unsafe operations" warning

The javac compiler may issue the "uses unchecked or unsafe operations" warning if your code uses operations that may result in an Unchecked warning at runtime.

java generics warnings