Tutorial by Topics: callbacks

Weak callbacks are primarily used for cleaning up C++ objects embedded in the InternalField of a v8::Object created from a v8::ObjectTemplate. When the JavaScript object is garbage collected, often times the C++ object must be deleted as well. By setting a weak callback, you can get notificatio...

Many people like working with promises and/or async/await syntax, but when writing a module it would be useful to some programmers to support classic callback style methods as well. Rather than creating two modules, or two sets of functions, or having the programmer promisify your module, your modul...

If you want more than a simple string replacement with common regular expressions you certainly run into trouble and hit the wall when discovering the limits of the regex functions Coldfusion has. There is no build-in function like php's preg_replace_callback. ParameterDetailsreThe regular expr...