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Python argparse: default value or specified value
...u only need to use the default argument to add_argument as in this test.py script:
import argparse
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--example', default=1)
args = parser.parse_args()
print(args.example)
test.py --example
% 1
tes...
.net implementation of bcrypt
...s.
The BCrypt code I wrote myself based on the spec. I also created a PHP script which generates random passwords of length 0 to 100 and salts, crypts them, and outputs them to a test file. The C# code matches these 100% of the time so far. You are welcome to use the script and test this yourself.
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Which is faster in Python: x**.5 or math.sqrt(x)?
...
Here are the results of your script: zoltan@host:~$ python2.5 p.py Took 0.183226 seconds Took 0.155829 seconds zoltan@host:~$ python2.4 p.py Took 0.181142 seconds Took 0.153742 seconds zoltan@host:~$ python2.6 p.py Took 0.157436 seconds Took 0.093905...
How to import an excel file in to a MySQL database
... Excel2MySQL tool should have the possibility to only create the database script :(
– joseantgv
Jul 29 '15 at 14:00
P...
How do I parse an ISO 8601-formatted date?
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To properly support the Z the input script can be modified with date_string.replace("Z", "+00:00").
– jox
Dec 2 '18 at 10:47
8
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How can I set the aspect ratio in matplotlib?
... is the case, but it produces a square image plot for me, for example this script:
import matplotlib.pyplot as plt
import numpy as np
data = np.random.rand(10,20)
fig = plt.figure()
ax = fig.add_subplot(111)
ax.imshow(data)
ax.set_aspect('equal')
fig.savefig('equal.png')
ax.set_aspect('auto')
fig...
Can I get the name of the currently running function in JavaScript?
...Name.substr(0, myName.indexOf('('));
alert(myName);
}
Source: Javascript - get current function name.
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How to dump a table to console?
...lines to file in about a second.
The output also keeps lua syntax and the script can easily be modified
for simple persistent storage by writing the output to file if modified to allow
only number, boolean, string and table data types to be formatted.
function print_table(node)
local cache, st...
CSRF protection with CORS Origin header vs. CSRF token
...ted.
But what about other kinds of requests - e.g. form submit? Loading a script/img/... tag? Or any other way a page can use to (legally) create a request? Or maybe some known JS hack?
The Origin header is normally only sent for XHR cross-domain requests. Image requests do not contain the header....
Simple regular expression for a decimal with a precision of 2
... as [0-9] as I think it's easier to read.
Also, here is the simple Python script I used to check it:
import re
deci_num_checker = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
valid = ["123.12", "2", "56754", "92929292929292.12", "0.21", "3.1"]
invalid = ["12.1232", "2.23332", "e666.76"]
assert len...