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Jan
1
comment Are the size of a memory page and the size of a file system cluster always the same?
Why "When everything is a power of two, that is fairly straightforward. "?
Jan
1
comment Are the size of a memory page and the size of a file system cluster always the same?
When they are not the same, is it necessary to deal with it?
Dec
28
comment make the scanner scan the entire paper pages, not skip anything near the borders?
I haven't got access to the scanner these days. When I try it next time, I will let you know.
Dec
26
comment make the scanner scan the entire paper pages, not skip anything near the borders?
I flipped other paper pages (not the one shown) 180 degree, so the binding side of the paper page is facing the outside. But there are notations written on the four sides' margins. So I hope there is a solution for that using the feeder
Dec
26
comment make the scanner scan the entire paper pages, not skip anything near the borders?
Thanks. I placed the pages in portrait orientation, and I think you guessed that I placed them in landscape orientation. So I actually placed the paper page so that its binding side faced the entry into the scanner.
Dec
25
comment make the scanner scan the entire paper pages, not skip anything near the borders?
Thanks. by "guides" do you mean the two slide-able things in the document feeder, shown as in red rectangles in this picture? The original image is here
Dec
17
comment Copy text out of a pdf file shown in pdf viewer in Chrome web browser
@AFH: I get inconsistent results in the pictures.
Dec
17
comment Copy text out of a pdf file shown in pdf viewer in Chrome web browser
The solution seems to use adobe reader, which I don't want to have on Ubuntu. Update my post.
Dec
17
comment Copy text out of a pdf file shown in pdf viewer in Chrome web browser
See my update...
Dec
17
comment Copy text out of a pdf file shown in pdf viewer in Chrome web browser
happens to all pdf files.
Dec
17
comment Copy text out of a pdf file shown in pdf viewer in Chrome web browser
all pdf files....
Nov
14
comment Is a server able to record both the MAC address and the IP address of a computer which accesses it?
For example, when ssh to a sever. When browsing Google Books.
Nov
2
comment Download all files with some strings in their names
Thanks. I see. But with -A, it will download everything, and remove those files not satisfy -A. That seems to take forever to finish running. Anyway not to spend time on files not needed?
Nov
2
comment Download all files with some strings in their names
Thanks. (1) What if I also would like to download the webpage itself besides those pdf files? (2) also it seems that -A will still download other files not ended in 2up.pdf and then remove them, so it seems to take very long to run to finish. Is it possible not to spend time on files not needed?
Oct
20
comment A black thing falls out of the USB port of my laptop
@BigChris Is a powered usb easier to carry with my laptop?
Oct
20
comment A black thing falls out of the USB port of my laptop
@sawdust: Thanks. "You have one remaining USB port on that T400; consider using a short USB extension cable (A-male to A-female)." Do you mean that keep a extension cable connected to my laptop's only working usb port, in order to reduce the plug in and out to and from the port?
Oct
20
comment A black thing falls out of the USB port of my laptop
@DanielRHicks: Thanks.
Oct
19
comment Do the temperatures indicate my laptop healthy?
Without cpu freq scaling, the max is achieved by CPU. I guess "ATI graphics module" is GPU?
Oct
19
comment Do the temperatures indicate my laptop healthy?
Is "ATI graphics module" GPU? How can I scale GPU frequency under ubuntu?
Oct
19
comment Do the temperatures indicate my laptop healthy?
(1) How high temperatures will I need to worry about? (2) the reported temperatures are when I am opening 100 tabs in chrome browser now. They are achieved when I use a cooler and scale the cpu frequency to the lowest 0.8GHz. WIhtout a cooler, the highest temperature will be over 80 celcius. If further without cpu freq scaling, the highest can be 90 and 100 celcius.