programmer group

Original code, inverse code and complement code

1、 Concept explanation Number of machines: The binary representation of a number in a computer is called the machine number of the number. Machine number is signed, in the computer with a number of the highest place to store symbols, 0 represents a positive number, 1 represents a negative number. For example, + 2 binary number: 0 (sign bit) 000 0010- Binary number: 1 (sign bit) 000 0010. Among them, 0000 0010 and 1000 0010 are the...

programmer group

Uri design principles

The rest API we designed is really nice E? Elegant:http://api.exapmle.com/louvre… Louvre / da Vinci / Mona Lisa Moderate type:http://58.com/bj/ershou/310976 Beijing / second hand channel / post ID Shetter typehttp://api.example.com/68dd0-… I don't know what the hell This article will share some principles of URI design. Do not add ‘/’ to the end of the URI With one more slash, the semantics is totally...

programmer group

Deep understanding of margin in CSS box model

Margin Setting the outer margin will create extra “white space” outside the element. The “white space” usually refers to the area where other elements cannot be placed, and the background of the parent element can be seen in this area. The outer margin will not affect the size of the box, but will affect the position of the box Margin affects how much space the box actually takes up in the document...

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Ghostlike Sans Serif Font

Befonts - Download free fonts Ghostlike Sans Serif Font Ghostlike Sans Serif Font is an exclusive furutistic sci fi typeface with modern style. This font has a stunning characters set, perfectly managed with well spaced and kerning. The theme style of this font will future, technology, casual, business, sci fi, negative spaced, science etc Ghostlike Sans Serif Font will be great for any projects including : branding, logo, stationery,...