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How do BitTorrent magnet links work?
...ed by the format ( btih in this case) with a SHA1 hash. I saw base32 mentioned, knowing it's 5 bits per character and 32 characters, I found it holds exactly 160bits, which is exactly the size of the SHA1.
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Fetch frame count with ffmpeg
Does anyone know how to fetch the number of total frames from a video file using ffmpeg? The render output of ffmpeg shows the current frame and I need the frame count to calculate the progress in percent.
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What are file descriptors, explained in simple terms?
...ened file within a process. File descriptor 0, for example, will represent one opened file in one process and a completely different opened file in another process.
– Keith Thompson
Jan 7 '16 at 22:04
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Signing a Windows EXE file
...CA in Windows Vista
Hopefully that provides some more information for anyone attempting to do this!
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How do I center a window onscreen in C#?
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On system with two monitors the form will be centered on one that currently have the cursor. So, the form may suddenly jump to other monitor. See the post here.
– Artemix
Feb 7 '13 at 10:28
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C# “internal” access modifier when doing unit testing
... difference between internal and private and the need to test internal components. Well worth the read.
– Kris McGinnes
Jan 21 '14 at 5:22
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What's the Hi/Lo algorithm?
...@Adam: Fundamentally, nothing - it's just potentially cheaper to increment one value (the "high" part) than to generate a bunch of keys. (It's potentially much cheaper in terms of data transfer - you can "reserve" a huge number of keys with minimal bandwidth.)
– Jon Skeet
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SQL : BETWEEN vs =
... otherwise guaranteed that your datetime values will never have a time component. Being consistent about this will make it less likely that you'll use BETWEEN by mistake instead of >= and <, and either get some data in the query that you didn't mean to, or think that you were getting an addit...
When to use a “has_many :through” relation in Rails?
...sociation model when you need it.
Note that you can also do this with has_one.
Edit: Making it easy to add a user to a group
def add_group(group, role = "member")
self.group_associations.build(:group => group, :role => role)
end
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Which Eclipse version should I use for an Android app?
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from the android developer link, I see this one http://eclipse.org/mobile/. probably an optimized version for mobile developers
– coderek
Mar 3 '13 at 5:06
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