Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?

assemblyx86-64x86cpu-registerszero-extension
Show Solution

How to add leading zeros?

rr-faqformattingnumber-formatting
Show Solution

Get generic type of class at runtime

javagenericsreflection
Show Solution

"INSERT IGNORE" vs "INSERT ... ON DUPLICATE KEY UPDATE"

mysqlinsert
Show Solution

Finding the index of an item in a list

pythonlistindexing
Show Solution

More Questions

Is Chrome’s JavaScript console lazy about evaluating objects?How to vertically align an image inside a divWhat is attr_accessor in Ruby?Getting the name of a variable as a stringHidden features of Python [closed]Count(*) vs Count(1) - SQL ServerHow to access POST form fields in ExpressPrivate properties in JavaScript ES6 classesWhy do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?Evaluate expression given as a stringGet JavaScript object from array of objects by value of property return, return None, and no return at all?How do I create an HTML button that acts like a link?JavaScript object: access variable property by name as string Capture HTML Canvas as gif/jpg/png/pdf?What is a word boundary in regex?Find all controls in WPF Window by typePostgreSQL unnest() with element numberHow to check if a string "StartsWith" another string?Generate random number between two numbers in JavaScript