what is backwards compatibility

, and WPS is compatible with Word. What is backwards compatibility? Backward compatibleHttp://www.webopedia.com/TERM/B/backward_compatible.html Backward compatible = = downward compatible (backwards, downwards)

very hot. The development of the students should know that this software is mainly the use of face recognition technology, so we can use the third-party face Recognition SDK to develop a similar application. This article realizes a complete face recognition app, and provides the source code. "Android foldinglayout Folding Layout principle and implementation": Foldinglaout is an open source project on Git

I just saw two stars in php saying: using dw to write programs in this year is a historical step backwards. So what did you use to write the front-end information? Is there any more efficient tool than dw? Aptana? Framework? Extjs? Jqueryui? Or others? I don't mean anything else. I just want to discuss the front-end to

I just saw two stars in php saying: using dw to write programs in this year is a historical step backwards. So what did you use to write the front-end information? Is there any more efficient tool than dw? Aptana? Framework? Extjs? Jqueryui? Or others? I don't mean anything else. I just want to discuss the front-end to

Up-compatible (upward Compatible) up-compatible (upward Compatible), also known as forward-compatible (foreward compatibility). A program written on a lower-level computer in a computer can run on the same series of higher-end computers, or a program written in a lower-version environment of a platform can run in a later version of the environment, known as up-compatible, which is hardware-compatible, and t

PNG24-bit pictures appear on the IE6 browser background, the solution is made PNG8 Browser default margin and padding are different. The solution is to add a global *{margin:0;padding:0;} IE6 two-sided bug: block attribute tag after float, there is the margin of the wild, in the IE6 show the margin ratio set the large Under IE, you can get custom propert

1.ie6 double margin problem: When using float, double the left and right. Solution: Use Display:inline2.ie6 devouring phenomenon: up and down two Div, the above div set the background, but found that the following does not set the background of the DIV also has a background. Solution: Use Zoom:1.3. Comments can also generate bugs. Solution: Use "The white leaves under 4.img. Solution: Set Display:block to IMG.5.ie6 under the absolute positioning of the div contains a relative positioning of the

The first place is Syslinux, and the others are not. Grub4dos, DOS, WIN2K/XP, win7 compatibility and the above question, their performance depends on what kind of motherboard and U disk chip you use, they are only in some motherboards and U disk chip on the work is very good, versatility

is covered with a layer of network, and you can no longer throw the sweet potato into the charcoal as before. If you want to roast sweet potatoes, you can only go to shops older than 4.0. For C # programs, the beach is the operating system, the CLR is the barbecue shop, and the ingredients are your program ontology. If you want to make food, you only need to

more than 3 pixels (or there is a state of dissatisfaction with the last line of the child element of the next margin in IE6 failure) Resolved: No workaround(5), IE6 text overflow bug. 1. When the width of the child element is smaller than the parent's width of 3 pixels. 2. Two floating elements have a comment or inline element in the middle. FIX: Use div to wrap comments or inline elements in Div.(6). Whe

also the practice of isolating witnesses. The quarantine witness removes a field directly, but in order to ensure compatibility between the old and new nodes, that is a waste of Saad. The hard fork does not take into account the fact that no upgraded nodes will reject the data and code produced by the upgraded nodes, which is much simpler. Let's look at the diff

What kind of USB disk boot system is the best compatibility? A: The first place is Syslinux, and the others are not. Grub4dos, DOS, WIN2K/XP, win7 compatibility and the above question, their performance depends on what kind of mo

traffic will be more than the PC end, the entire use of the internet scene has changed dramatically. --"2014 China Mobile Internet Industry annual research Report" "2014 China Mobile Internet Industry annual research Report" to show us in the future of the internet world, mobile end will become the main battlefield, if you want to stand in the tide, we will start to move the end, start a new journey. As a front-end engineer, we enjoy or still enjoy the PC end of a var

:: Selection; Implement media Query (@media), Multi-column layout (flex). (3) The removed element Elements of pure expression: basefont,big,center,font,s,strike,tt,u; Elements that have a negative impact on usability: frame,frameset,noframes; (4) HTML5 new label browser compatibility problem is that the browser does not recognize the HTML5 new label and can not be used, there are

css| Web page IE vs FF CSS Compatibility essentials: DOCTYPE Impact CSS Processing Ff:div set Margin-left, Margin-right is already centered when auto, IE not Ff:body set Text-align, Div needs to set Margin:auto (mainly margin-left,margin-right) to center FF: Set padding, div will increase the height and width, but IE will not, it is necessary to use!important mor

bottleneck problem, many developers have abandoned PHP and fled, and HHVM's perfect performance for PHP development is very unfavorable. PHP 7 is the PHP community response to HHVM, PHP 7 official release version in PHP performance is very much improved, the actual test found in some cases PHP 7 performance over HHVM. This article will bring you the PHP 7 instal

css| Web page IE vs FF CSS Compatibility essentials: DOCTYPE Impact CSS Processing Ff:div set Margin-left, Margin-right is already centered when auto, IE not Ff:body set Text-align, Div needs to set Margin:auto (mainly margin-left,margin-right) to center FF: Set padding, div will increase the height and width, but IE will not, it is necessary to use!important mor

. If a problem occurs, you only need to click it. Most Web pages are displayed normally. You don't have to worry about this operation every time. In order not to affect your Internet experience, after you click the Compatibility View button, this website will be automatically saved to the compatibility list. The next time you log on to this page, IE8 will automatically enable the

slowed down my JavaScript learning. The language is not fully understood, and the code can only run in a specific browser. My suggestions If you are new to JavaScript and have the same situation as me, I suggest you ignore the compatibility between DOM and BOM when you are new to JavaScript, spend more time learning the language itself (ECMAScript ). Only code is