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Waterfall stream-absolute positioning layout, different from floating layout, different from AJAX waterfall stream-absolute positioning layout, different from floating Layout 1. Different la s: Absolute positioning: Put all absolute positioning LI in a UL; Floating layout: Multiple (generally three or four) UL distrib

formatting context)BFC is a concept in the CSS2.1 specification that determines how elements are positioned on their content, and how they relate to and interact with other elements. BFC is currently supported in other browsers except Ie6-7. In CSS3, BFC is called Flow Root.The BFC element can be seen as a separate, isolated container compared to a normal container, and the inner elements do not affect the outer elements on the layout.Second, how to form BFCelements that satisfy any of the foll

that makes the positioning element irrelevant to the document flow and therefore does not occupy space. Other elements in the document flow are laid out as if an absolutely positioned element does not exist.The position of an absolutely positioned element is relative to the nearest positioned ancestor element, and if the element does not have a positioned ancestor element, its position is relative to the initial containing block document. Absolute po

original point, not to change the resolution of the location. Many people make mistakes because they make mistakes. and the Web page left its characteristic and relative very similar, but still has the essential difference. Relative,css in the wording is: position:relative; He means absolute relative positioning, he is referring to the original point of the parent is the original point, no parent is the original point of the body as the original poi

Absolute and relativeWe all know that absolute is absolute positioning, while relative is relative positioning. But what does it mean by absolute and relative positioning? What is absolute, relative to what is relative? What kind of features can they achieve? What kind of sk

[HTML + CSS]: relative and absolute positioning, and htmlcss Relative and absolute positioning · Positioning tags:Position· Includes attributes:Relative (relative) absolute (absolute) 1. position: relative; if a relative element is located, it first appears at its location. Then, move the element "relative to" its

Syntax:Position:Static|Absolute|Fixed|Relative Parameters:Static:No special location. The object follows the default HTML location rule.Absolute:Absolute positioning. Drag an object out of the Document Stream and use left, right, top, bottom, and other attributes for absolute positioning. Its stack is defined by the Z-index attribute. At this time, the object does not have margins, but still has padding and

each row.There are only three cases where elements are separated from the document flow: floating , absolute positioning , and relative positioning .Static positioning (statics):Static, no special positioning, it is the default positioning method of HTML elements, that is, we do not set the element's Position property when the default position value is static, it follows the normal document flow object, th

four attribute values for position: relative, Absolute, fixed,staticThese four properties are described below, expressed in simple code1. RelativeThe relative property is relatively simple, and we want to figure out which object it is offset from. The answer is the position of itself (the original occupied position is retained, and the object behind it remains the same position as the original document flow. )。 In the above code, SUB1 and Sub2 are sib

I. Official Oracle descriptionOracle Database assigns each datafile two associated file numbers, an absolute file Number and a relative file number, that are used to uniquely identify itAbsolute: Uniquely identifies a datafile in the database. this file number can be used in your SQL statements that reference datafiles in place of using the file name. the absolute file number can be found in the FILE # colu

css| Page | questions What do you mean, absolutely centered? That is, the container to the screen around the top and bottom four directions have spacing, and with the size of the screen is relatively constant or proportional adjustment, always reside in the middle of the screen. Absolute Center also has two conditions, the absolute size and relative size of the container. At the same time there are many way

each row.There are only three cases where elements are separated from the document flow: floating , absolute positioning , and relative positioning .Static positioning (statics):Static, no special positioning, it is the default positioning method of HTML elements, that is, we do not set the element's Position property when the default position value is static, it follows the normal document flow object, th

therelative and static methods are positioned at the outermost level with the 1 2 8 9 Ten One A If you use absoulte or fixed positioning, you must specify at least one of the left, right, top, and bottom properties, or the Left/right/top/bottom property will use their default value auto. This will cause the object to follow the normal HTML layout rules, immediately after the previous object is presented , it is simple to say that all beco

water, water is also soaked with a watermelon, the room in mid-air there are a lot of hooks for hanging things. Now I put the page elements and the above object, then the room is a Web page, bucket is a page in the plate, bucket of water is text flow, watermelon is to be positioned object. (1) Absolute positioning of contributions (absolute) In contrast to the previous explanation, if the watermelon is g

considered as one of the normal flow positioning . the relative positioning of the element to occupy the original space , and can overwrite other boxes .Set the property position to relative. by setting Top and the Left moves the box relative to the origin of the original elementAbsolute Positioning : The position of an absolutely positioned element is determined relative to the positioned ancestor element closest to it . the position of an absolutely positioned element is independent of the d

1. position:static The default value for the position property of an element is static, that is, the element appears in the general location of the document and is not repositioned. Typically this property value may not be set unless you want to overwrite the previous definition. The code is as follows Copy Code #div-1 {position:static;} 2. Position:relative With Po

\ page layout \ Code \img", then "bg.jpg" picture relative to "s1.htm "The file is in the" IMG "subdirectory in the parent directory of the directory in which it is located, the statement referring to the picture should be:4. Relative virtual directoryThere is a more specific representation of relative paths: relative virtual directories. Take a look at the following example:in this example, the value of the Background property is "/img/bg.jpg", and n

it is a absolute import then it is no longer necessary to find the parent module, and no longer set the __package__ module properties, Why in this case do not need to set the __package__ module properties?Let's have a good read of this passage (from: PEP 366 proposed change): As with the current __name__ attribute, setting __package__ 'll be is the responsibility of the PEP 302 loader used to Impor T a Module. This means that the loader

coordinate values ( L ) to define a point where "" represents an angle. For example , the polar coordinates of a point are (5 ).3. Presentation method ⑴ Absolute Coordinates: relative to Origin ① Absolute Cartesian coordinates: X value Y value the X ,Y coordinate of the point ②