Course Intermediate 4013
Course Introduction：Digital signature generation and verification principles, AES and RSA encryption and decryption
Course Advanced 18141
Course Introduction："Comprehensive Interpretation of the Laravel Framework and Practical Video Tutorial" introduces the Laravel framework and its installation methods, routing, views, basic addition, deletion, modification and query functions, as well as related knowledge points such as login and registration instances.
Course Elementary 12220
Course Introduction：Tonight at 20:00 (2021.10.27), PHP Chinese Network invited WEB master Gao Luofeng to share "How to quickly counterattack and become a big front-end engineer" with students, answer questions and avoid detours! Communication QQ group: 609135716 (there will be a lottery!)
2017-05-16 13:28:36 0 2 1238
javascript - JS query whether the first 8 or first 6 digits of a set of 10 digits match
2017-05-19 10:45:33 0 3 626
Course Introduction：8 bytes contain 64 binary bits. Because one byte contains 8 binary bits, eight bytes contain 64 binary bits; usually one English character, that is, one byte, only uses the right 7 of the 8 binary bits. , the leftmost one is usually not used and is represented by 0.
2021-06-15 comment 0 40548
Course Introduction：An IP address is composed of 32 or 128-bit binary numbers. IP address is a unified address format provided by the IP protocol. There are two types of IP addresses: 1. IPv4 address, consisting of 32-bit binary numbers, expressed in dotted decimal notation, divided into eight bits, that is, four 0~255 Decimal number; 2. IPv6 address consists of 128-bit binary numbers, expressed in dotted hexadecimal, divided into eight bits, that is, sixteen hexadecimal numbers from 0x00 to 0xff.
2023-03-01 comment 0 31731
Course Introduction：CSS positioning: relative positioning, absolute positioning and fixed positioning (relative absolute fixed)
2016-08-18 comment 0 1496
Course Introduction：The MAC address is a unique hardware address used to identify a network device. It is usually represented by a 48-bit binary number. In a common representation, the MAC address is divided into 6 bytes, and each byte uses two hexadecimal digits. means, separated by colons or dashes.
2023-08-31 comment 0 6636
Course Introduction：A mac address has 48 bits. The mac address is also called the hardware address. It is usually expressed as 12 hexadecimal numbers. Each two hexadecimal numbers are separated by colons, such as [08:00:20:0A:8C:6D].
2019-04-02 comment 0 108311
