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html

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HTML概述最新的HTML5规范，代表了未来web开发的方向提供新的标签与属性语义标签，多媒体，智能表单提供了很多新的功能画布，地理位置，本地储存，WebSocket，WebWorker等基本结构标签语法 head中的标签标签描述 title 文档标题，一般显示在浏览器标栏 base 指定页面的相对地址 link 链接到外部文件，一般是样式文件 style 在文档中包含css样式 script 引入外部JavaScript文件 meta 描述文档的信息，如字符编码，内容描述，关键字作者等 Web标准推荐的编写规则一系列关于网页标准的集合要求：所有的标签和属性的名字都必须使用小写所有标签必须关闭所有属性都必须有值，没有值的就重复本身属性值必须使用双引号文本标签（1）标签描述 p 段落 h1-h6 标题 pre 定义预格式化的文本 font 为文本指定大小，颜色和字体，不推荐 span 组合文档中的行内元素 sub 下标 sup 上标 address 地址文本标签（2）标签描述 b,strong 文本加粗 i,em 文本斜体 u 文本下划线 ins 定义插入文本，效果和U一样 del 文本删除线转义字符转义字符描述不换行空格 < 小于< > 大于> &quot 双引号“ &copy 版权 &amp &符号行级标签和块级标签

最完美最全的小程序生成分享朋友圈海报图

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 以上是两张分享朋友圈海报效果图，接下来开始教大家如何用代码制作：页面：  <view wx:if="{{showShare}}"> <view class="gray-view" bindtap="noshare"> <view class=""></view> </view> <view class="share-view"> <view> <view class="goods"> <span class="line"></span> <view class="goods-text">分享到</view> <span class="line"></span> </view> <view class="share-type" bindtap="wxShare"> <view> <button style="text-align:center" open-type='share'> <image src="/images/other/weixin.png"/> <view>微信</view> </button> </view> <view style="text-align:center" bindtap="poster"> <image src="/images/other

video标签的属性

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> video标签的属性：属性作用值 muted 设置或返回的音频、视频是否应该被静音 muted autoplay 视频在加载后马上播放 autoplay loop 循环播放 loop width 视频播放器的宽度 pixels(像素） height 视频播放器的高度 pixels controls 显示控件，比如播放按钮 controls src 播放视频的url URL preload 视频在界面加载时进行加载，并预备播放。如果使用autoplay，忽略改属性 auto metadata none poster URL 规定视频正在下载时显示的图像，直到用户点击播放按钮。来源： oschina 链接： https://my.oschina.net/u/4042172/blog/3153878

Replace an image with a youtube video

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问题 I have an image, and I would like to make the image link to an embedded YouTube video, such that if the user clicks on the image, it starts playing in the place where the picture used to be. Any thoughts on how I can accomplish this? Thank you, David 回答1: Place the embedded video in a div that is invisible: <div id="video" style="display: none;"> embedded video code here </div> Then give the img an id too: <img id="videopic" src="videopic.jpg" alt="Video Picture" /> Then, put a link round the

Making a WP7 HttWebRequest POST with an untrusted cert?

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问题 I'm working on a Windows Phone 7 application that makes a REST service call. The third party that hosts the web services has an invalid certificate in the current environment. When I hit the URL in Firefox, I get a warning about the cert and I am asked if I want to continue. I'm also using the Poster FF extension to test the call. It works with Poster if I first accept the invalid cert in Firefox. If I don't, then POSTER wont make the request. In my WP7 Emulator, I can't make the request at

How can I place a still image before the first frame of a video?

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问题 When I encode videos by FFMpeg I would like to put a jpg image before the very first video frame, because when I embed the video on a webpage with "video" html5 tag, it shows the very first picture as a splash image. Alternatively I want to encode an image to an 1 frame video and concatenate it to my encoded video. I don't want to use the "poster" property of the "video" html5 element. 回答1: You can use the concat filter to do that. The exact command depends on how long you want your splash

Playing a video when clicking on an element of an image.

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问题 I want to know if it's possible to play a video when you click on an element of an image, and play another video if you click on another element of the same image ? For instance, imagine a picture of a room : - if I click on the area where the TV set is, the image disappears and video1 starts. - if I click on the chair, same thing but video2 starts instead. Is this possible using HTML5 and Javascript? If so, how am I going to do that ? Thanks a lot for reading ! 回答1: Yes, it is possible. I'm

What is the difference between Poster post method and jquery post method?

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问题 I'm trying to do a post from a mvc3 view and it's not working correctly with my controller, but the same json works fine when I post from Poster Here is the jquery code var lineas = $("#articulosIngresadosTable").getRowData(); var model = { ObraSocialId: $("#idObraSocialTextBox").val(), Lineas: lineas }; $.ajax({ type: 'POST', url: '@Url.Action("Nueva", "Factura")', data: model, success: function (data) { alert(JSON.stringify(data)); }, dataType: "json" }); I double check and the json for the

Handling HTTP Get/ Delete Android using REST

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问题 I m implementing a REST based HTTP server in Android. The server responds for GET, DELETE and POST requests. Two android devices communicate using HTTP Post (I m using a service, where a device keeps listening on a port and post to next device and this keeps going on). I m testing the GET and DELETE using Mozilla Poster. Should I add a separate socket/port to handle the same? Because when I try now, sometimes I get timeout error or no response found. However, I am able to see server response

Show the poster after pausing the video in HTML

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问题 I have this code <video id="primorvid" onclick="this.paused ? this.play() : this.pause();" poster="http://primor.m-sites.co.il/wp-content/uploads/2016/08/Untitled-18.jpg" width="1903" height="564"> <source src="http://primor.m-sites.co.il/wp-content/uploads/2016/08/Primor-V.4-HD.mp4" type="video/mp4" /> </video> the video works, it shows a poster image before i click the video, and the play/pause is working fine- how do i proceed from here if i want the poster to reappear again after i pause