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Rotating videos with FFmpeg

...os with FFmpeg. I am working with iPhone videos taken in portrait mode. I know how to determine the current degrees of rotation using MediaInfo (excellent library, btw) but I'm stuck on FFmpeg now. ...
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Remove sensitive files and their commits from Git history

...pository like GitHub and others have cloned that remote repository, you're now in a situation where you're rewriting history. When others try pull down your latest changes after this, they'll get a message indicating that the changes can't be applied because it's not a fast-forward. To fix this, t...
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Capture screenshot of active window?

...e active window and take a screenshot of this active window. Does anyone know how I can do this? 11 Answers ...
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How to install the Raspberry Pi cross compiler on my Linux host machine?

...arm-linux-gnueabihf-raspbian/bin to the end of the file named ~/.bashrc Now you can either log out and log back in (i.e. restart your terminal session), or run . ~/.bashrc in your terminal to pick up the PATH addition in your current terminal session. Now, verify that you can access the compiler...
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How can I get the count of milliseconds since midnight for the current?

... current time as a number of milliseconds (not count from epoch). Instant.now() // Get current moment in UTC, then… .get( ChronoField.MILLI_OF_SECOND ) // interrogate a `TemporalField`. 2017-04-25T03:01:14.113Z → 113 Get the fractional second in nan...
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How to generate unique ID with node.js

...(); // -> '110ec58a-a0f2-4ac4-8393-c866d813b8d1' ** UPDATE 7.x And now the above usage is deprecated as well, so use this package like this: const { v1: uuidv1 } = require('uuid'); uuidv1(); // -> '6c84fb90-12c4-11e1-840d-7b25c5ee775a' const { v4: uuidv4 } = require('uuid'); uuidv4()...
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How do I run a shell script without using “sh” or “bash” commands?

... Hey thanks for your reply. I tried that out. Now I can run it without the "sh" command. But I still have to prefix the command with "./" which I don't want to. :) – Rameez Hussain Jan 8 '12 at 18:26 ...
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Prevent dialog dismissal on screen rotation in Android

... The best way to avoid this problem nowadays is by using a DialogFragment. Create a new class which extends DialogFragment. Override onCreateDialog and return your old Dialog or an AlertDialog. Then you can show it with DialogFragment.show(fragmentManager, ta...
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What is the standard way to add N seconds to datetime.time in Python?

....timedelta(seconds=secs) return fulldate.time() a = datetime.datetime.now().time() b = addSecs(a, 300) print(a) print(b) This outputs: 09:11:55.775695 09:16:55 share | improve this answer...
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Fundamental difference between Hashing and Encryption algorithms

...tates from all these iterations back together to form the resultant hash. Now, if you wanted to decode the hash, you'd first need to figure out how to split the given hash into its iterated states (1 possibility for inputs smaller than the size of a chunk of data, many for larger inputs). Then you...