首页 \ 问答 \ IE9在开始从Amazon S3流式传输视频之前等待7-10秒(IE9 Waiting 7-10 seconds before starting to stream a video from Amazon S3)

IE9在开始从Amazon S3流式传输视频之前等待7-10秒(IE9 Waiting 7-10 seconds before starting to stream a video from Amazon S3)

http://screencast.com/t/NKb9erVyd0

我正在使用Projekktor HTML5视频播放器。 除了Internet Explorer之外,视频会立即在所有浏览器中播放。 在开发人员工具中,IE显示了巨大的等待时间 这个等待时间是什么?为什么IE感觉需要浪费10秒的用户生命?


http://screencast.com/t/NKb9erVyd0

I'm using the Projekktor HTML5 video player. The video starts playing immediately in all browsers except for internet explorer. In developer tools IE shows a huge Wait time. What is this wait time and why does IE feel the need to waste 10 seconds of my user's life?


原文:https://stackoverflow.com/questions/10239882
更新时间:2023-07-15 18:07

最满意答案

我个人会使用熔化/铸造整形策略

library(reshape2)
melted <- rbind(melt(df1), melt(df2))
dcast(melted, Type~variable, sum)

#    Type CA AR OR Total
# 1 alpha  5  7  1    13
# 2  beta  3 11  2    16
# 3 delta 12  2  1    15
# 4 gamma  9  1  0    10

I personally would use a melt/cast reshaping strategy

library(reshape2)
melted <- rbind(melt(df1), melt(df2))
dcast(melted, Type~variable, sum)

#    Type CA AR OR Total
# 1 alpha  5  7  1    13
# 2  beta  3 11  2    16
# 3 delta 12  2  1    15
# 4 gamma  9  1  0    10

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