tool

TreeSize, find out which folders use most space

When I need to free some spaces on my computer, I need to know which folder(s) take most space so I can prioritize removing files in these folders. TreeSize is a free program to do this. It shows you not only the space each folder takes, but also the
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13 sec read

Create a GIF animation image for free

I need to create a banner ad for Stork’s advanced feature (NIH grant database English/Chinese bilingual version). I wish the ad has two images showing one after the other, and repeat every 3 seconds. In the end, the image is like this: So how t
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19 sec read

Upgrade to Windows 10 from Windows 7 for free

Back in August, 2013 I purchased a Dell computer (OptiPlex 9010 Minitower) which has been working very well. It has Windows 7 installed. Recently I got a notification that Windows 7 will reach End of Life (i.e. Microsoft will no longer support it) so
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13 sec read

Backblaze, a nice backup tool

I purchased at least 2 portable hard drives and many USB drives to backup important files. For a while I did my backup every day by copying files to the portable hard drives. But then I get lazy and stopped doing this. The last time I backup was prob
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53 sec read

AutoPager Chrome, Very useful productivity tool

When I search google or browsing blogs, I often need to click “next page” to go to the next page. This Chrome extension by Wend Li will automatically load the next page: https://chrome.google.com/webstore/detail/autopager-chrome/mmgagnmbe
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8 sec read