我想在html页面中嵌入视频,这样我就可以从我的硬盘或url.I中播放任何多媒体文件。我尝试用
<video src="test.mp4" controls width="320" height="240">
</video>
在chrome中,视频播放没有任何问题。但是,在firefox .It中无法识别mp4文件显示错误消息- 'no video with supported format or mimetype found'.
碰巧我的大部分视频文件都是.mp4 or .flv文件。
如果我将<
有像sql那样的visual studio代码的字符吗?
sql:
... where like "%test%";// anything with "test" text inside
... where like "[test]%";// anything with starts with "test"
... where like "test_";// anything with starts with "test" and has only 1 more character
有人知道像上面所
我试图使用shell从url字符串中提取字符(在两种方法之间使用)。我被困在识别"?“人物..。
set sample to "https://someaddress.com/path/subpath/12345?userId=523"
set extract to do shell script "awk -F 'subpath/|userId' '{print $2}'<<<" & quoted form of sample
...this将工作,但显然返回"12345?“。我又如何将