It is the most common information exchange standards, ASCII for the first time to regulate the standard type published in 1967, so far a total of 128 characters are defined, and then added to 128 characters, a total of 256 characters.Ĭontrol nonprintable characters for the first 32-bit (0 to 31)ģ2 to 127 is a printing characters, including punctuation and English letters and capitalizationġ28 to 255 are extended characters, including some special symbols, which is today's hero. ASCII codeĪSCII (American Standard Code for Information Interchange): American Standard Code for Information Exchange, a computer is a Latin-based coding system. Then we added these characters in a user name, So even if someone else read your account even read your passwords also helpless.įirst, look at what is ASCII code. If friends and family are okay, if the bad guys steal see their own accounts, security risks can be imagined.īased on this background, today made a very interesting test ( In fact, let the teacher do),have a test There is no computer can recognize but does not show strange characters。
I believe that many small partners have come to realize such a thing, the boss standing around, parents standing behind, their username will be exposed naked in front of their eyes. Teach you a trick, how to use the ASCII code quickly and efficiently upgrade their account security Foreword