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Rails: Logging the entire stack trace of an exception
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How to limit the amount of concurrent async I/O operations?
...t the concurrent amount of these async http requests? So that no more than 20 web pages are downloaded at any given time. How to do it in the most efficient manner?
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How do I revert a Git repository to a previous commit?
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Use RSA private key to generate public key?
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openssl genrsa -out mykey.pem 1024
will actually produce a public - private key pair. The pair is stored in the generated mykey.pem file.
openssl rsa -in mykey.pem -pubout > mykey.pub
will extract the public key and print that out. Here is a link to...
How can I pass a list as a command-line argument with argparse?
...<Required> Set flag', required=True)
# Use like:
# python arg.py -l 1234 2345 3456 4567
nargs='+' takes 1 or more arguments, nargs='*' takes zero or more.
append
parser.add_argument('-l','--list', action='append', help='<Required> Set flag', required=True)
# Use like:
# python arg.py...
onchange event on input type=range is not triggering in firefox while dragging
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answered Sep 28 '13 at 13:02
FrederikFrederik
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split string only on first instance of specified character
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edited Dec 6 '16 at 22:29
Chris Happy
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answe...
Get list of a class' instance methods
...TestClass itself can do.
class TestClass
def method1
end
def method2
end
def method3
end
end
TestClass.methods.grep(/method1/) # => []
TestClass.instance_methods.grep(/method1/) # => ["method1"]
TestClass.methods.grep(/new/) # => ["new"]
Or you can call methods (not instan...
Full screen background image in an activity
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There are several ways you can do it.
Option 1:
Create different perfect images for differen...
Check to see if python script is running
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rightfold
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answered Apr 25 '09 at 17:37
Dan UdeyDan Ud...