Unclear inspection warning “NullableProblems” in IntelliJ

From Comparable.compareTo: @throws NullPointerException if the specified object is null So IntelliJ knows, that the object should not be null and adds a @NotNull annotation automatically: IntelliJ IDEA will look carefully at SDK and libraries bytecode and will infer these annotations automatically so that they can later be used to analyze source code to spot … Read more

“Variable is never assigned” warning in IntelliJ IDEA can be suppressed only “partially”

There are two separate warnings. One says the field was never assigned a value, which is the one you have disabled. The other says the field was never used, which is the warning you are getting. Add Inject to settings -> editor -> inspections -> java -> declaration redundancy -> unused declarations -> entry points … Read more

What does ==$0 (double equals dollar zero) mean in Chrome Developer Tools?

It’s the last selected DOM node index. Chrome assigns an index to each DOM node you select. So $0 will always point to the last node you selected, while $1 will point to the node you selected before that. Think of it like a stack of most recently selected nodes. As an example, consider the … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)