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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...
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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223
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...
What is the recommended batch size for SqlBulkCopy?
...ption. I started with 500 and experimented with larger. I found 5000 to be 2.5x faster, on average, than 500. Inserting the 6 million rows takes about 30 seconds with a batch size of 5,000 and about 80 seconds with batch size of 500.
10,000 was not measurably faster. Moving up to 50,000 improved t...
Why is lock(this) {…} bad?
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512
It is bad form to use this in lock statements because it is generally out of your control who el...
How can I check if a scrollbar is visible?
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edited Jun 20 at 9:12
Community♦
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answered Jan 27 '11 at 9:19
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