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How to generate an openSSL key using a passphrase from the command line?
...ase, the password is foobar):
openssl genrsa -aes128 -passout pass:foobar 3072
However, note that this passphrase could be grabbed by any other process running on the machine at the time, since command-line arguments are generally visible to all processes.
A better alternative is to write the pa...
The current SynchronizationContext may not be used as a TaskScheduler
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3 Answers
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How do I create a Python function with optional arguments?
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Try calling it like: obj.some_function( '1', 2, '3', g="foo", h="bar" ). After the required positional arguments, you can specify specific optional arguments by name.
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Cleaner way to update nested structures
...reproduce his example here:
scala> @zip case class Pacman(lives: Int = 3, superMode: Boolean = false)
scala> @zip case class Game(state: String = "pause", pacman: Pacman = Pacman())
scala> val g = Game()
g: Game = Game("pause",Pacman(3,false))
// Changing the game state to "run" is sim...
#1071 - Specified key was too long; max key length is 767 bytes
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34 Answers
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In Python, how to display current time in readable format
...izing daylight's savings or not).
import time
time.ctime() # 'Mon Oct 18 13:35:29 2010'
time.strftime('%l:%M%p %Z on %b %d, %Y') # ' 1:36PM EDT on Oct 18, 2010'
time.strftime('%l:%M%p %z on %b %d, %Y') # ' 1:36PM EST on Oct 18, 2010'
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Difference between Activity and FragmentActivity
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A FragmentActivity is a subclass of Activity that was built for the Android Support Package.
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Ansible: Set variable to file content
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Saurabh Nanda
5,36544 gold badges2727 silver badges4949 bronze badges
answered Jun 3 '14 at 11:55
jabclabjabclab
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