ubuntu下出现打开frefox出现Your Firefox profile cannot be loaded. It may be missing or inaccessible
1：用命令行输入 firefox 如果还是这种情况
2：用命令行输入 sudo firefox 如果能正常打开，说明是因为权限的问题
3：在用户目录（我的目录是/home/jyg/）下收入ls -lA命令查看.mozilla的所有者和用户组，发现都是root
4：修改所有者和用户组
在用户目录（我的是／home／jyg）
Biographers are supposed to have the last word. But this is a biography of Steve Jobs. Even though he did not impose his legendary desire for control on this project, I suspect that I would not be conveying the right feel for him—the way he asserted himself in any situation—if I just shuffled him onto history’s stage without letting him have some last words. Over the course of our conversations, there were many times when he reflected on what he hoped his legacy would be. Here are those thoughts, in his own words:Continue reading And One More Thing . . . From Steve Jobs→
下载后安装ePubee软件（http://epubee.com/cn）。点击setup–General设置输入目录为临时目录；点击Kindle，勾选Use Kindle Serial Number，输入Kindle Serial Number，OK确认；点击“Remove DRM”即可把整个目录中的书籍一键批量去除DRM。去掉DRM之后的书保存在D:\My Documents\Decrypt Output\Kindle，当然你也可以自己自定义输出目录。
Chaplets, long part of the metalcaster’s trade, are metal spacers that support cores in a manner illustrated by Fig.1. They are used when the casting design makes it impossible to provide adequate core prints or when the core is likely to sag, float or shift position as molten metal enters the mold.
Chaplets are made of mild steel, sheet or cast metal. They are tin-coated (hot dipped or electroplated) to prevent their oxidation and subsequent contamination of the melt. Uncoated high nickel alloys also are used to produce chaplets. Continue reading Chaplets: useful but potential trouble sources.→
将Kindle的电子书拷贝至临时文件夹
若Kindle Books未显示书籍，可将书籍拖放进软件；若去除DRM成功后放到Kindle里面读不了，可把这本书转一次Mobi。