Recent questions tagged Html

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html - how to edit pixels and remove white background in a canvas image in html5 and javascript

If I load an image, how can I loop through all its pixels and turn the white ones (or which ever color I ... white pixels in the actual image. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

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html - Floated Child Elements: overflow:hidden or clear:both?

As a web developer I frequently will have two floated (child) divs inside of another (parent) div. Actually I do ... the pros and cons of each? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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322 views

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html - Android browser bug? div overflow scrolling

Can you make the overflow content of a div scrollable in the Android browser? It is scrollable in all other modern ... Will this be fixed soon? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Is the default font-size of every browser 16px? Why?

CSS3 defines new a length unit for font-size called rem. This allow us to compute element's font-size ... CanIUse about rem Github skeleton.css See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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269 views

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html - YouTube URL in Video Tag

I am using the <video> tag, and I want to use any URL from YouTube in it. I have this http://jsfiddle. ... .com/watch?v=OmxT8a9RWbE" ></video> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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155 views

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html - Use JavaScript to prevent a later `<script>` tag from being evaluated?

This is a bit of an oddball use case, but I have my reasons: I'd like to be able to write <script ... consequences, that would be amazing... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Bootstrap 3 truncate long text inside rows of a table in a responsive way

I'm using bootstrap 3 tables, when i put large text in the table it gets wrapped on several lines, but i want ... HTML/CSS if it's possible. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - How to spread elements horizontally evenly?

I have a div container on my web page with fixed width and it contains form elements for logging in. Below these ... 50%; text-align: center; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - How to remove this horizontal scrollbar in Bootstrap 3

I've got this irritating horizontal scroll on my bootstrap page. Can't figure out what is making it behave like this ... auto; width: 524px; } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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348 views

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html - What do /deep/ and ::shadow mean in a CSS selector?

In looking at Polymer, I see the following CSS selector in the Styles tab of Chrome 37's developer tools: I' ... shadow in a CSS selector mean? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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html - Is it possible to see which srcset image a browser is using with browser developer tools

I've been trying to see which srcset image my browser is using via the browsers developer tools, but apart ... img srcset option its using. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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579 views

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html - How to create an h264 video with an alpha channel for use with HTML5 Canvas?

I've been interested in this demo: http://jakearchibald.com/scratch/alphavid/ I also saw this question on ... video files with alpha channels? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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366 views

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html - Parallax scrolling with CSS only?

I have been working on a project and I am done with the content. For the design however, I am thinking of ... to produce(http://jessandruss.us/) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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252 views

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html - Android Web App : Position:fixed broken?

I'm in the process of developping a Web Application for mobiles. I went with web applications because to me it ... of a page for mobile phones? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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282 views

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html - Multi-coloured circular div using background colours?

I'm trying to create a multi-coloured circle in CSS to simulate a wheel of fortune, I've tried using linear ... as the page resizes etc..)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

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html - How to pass parameters to css classes

I want to know is it possible to add some flexibility to css via this: <div class='round5'></div> ... know how the implementation takes place. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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249 views

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html - How does a multiple select list work with model binding in ASP.NET MVC?

If you have a select list set to multiple in ASP.NET MVC, how does the modelbinding work? What does it return ... ">olives</option> </SELECT> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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272 views

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html - Why isn't my textarea's placeholder showing up?

I am using placeholders for all my form elements and it's showing up in them all apart from the textarea. Just ... value="submit"/> </form> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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259 views

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html - How to get an element's padding value using JavaScript?

I have a textarea in my HTML. I need to get the padding numerical value in pixels as either integer ... looking for pure JavaScript solutions. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

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html - How to make <input type="file"/> accept only these types?

I want my uploader only allows these types: doc, docx. xls, xlsx. ppt, pptx. txt. pdf. Image types. How ... help will be appreciated. Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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278 views

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html - What's the difference between meta name and meta property?

Two common meta element attributes are: <meta name="" content=""> and <meta property="" content=""> ... between meta name and meta property? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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341 views

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html - Mobile Safari 5mb HTML5 application cache limit?

It's becoming evident in my testing that there's a 5mb size limit on Mobile Safari's implementation of HTML5's ... is not going to be enough. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

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html - HTML5 Canvas image contrast

I've been writing an image processing program which applies effects through HTML5 canvas pixel processing. I've ... Contrast in HTML5 canvas. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

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html - Convert RGBA to HEX

Given a css color value like: rgba(0, 0, 0, 0.86) How do I convert that to a RGB hex value ... into account, assuming a white background? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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469 views

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html - Fixed positioning/z-index issue in mobile safari

So the site in question: http://kaye.at/baby The main content below scrolls up over the top of the countdown and ... <div id="content"> </div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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291 views

1 answer

html - Making a div fit the initial screen

I want to make a div fit the initial height and width of a users screen. I think the following crudely drawn ... ; } does not seem to work See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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186 views

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html - What is the difference between phrasing content and flow content?

I am new to HTML and CSS and I would like to know the difference between flow content and phrasing ... phrasing content and flow content? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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242 views

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html - Making buttons - <button> or <div>?

I'm wondering what html element to use for buttons on a web page - I'd like to style my 'buttons' like ... that stuff to make it look pleasant? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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