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How do I get the current username in Windows PowerShell?
... This method includes the domain name and username. Definitely beneficial if you have multiple domains in play.
– Ryan Gates
Feb 16 '16 at 17:00
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Can't compare naive and aware datetime.now()
...e_start)
challenge.datetime_end = utc.localize(challenge.datetime_end)
# now both the datetime objects are aware, and you can compare them
Note: This would raise a ValueError if tzinfo is already set. If you are not sure about that, just use
start_time = challenge.datetime_start.replace(tzinfo=...
Save plot to image file instead of displaying it using Matplotlib
...eful tips when using matplotlib.pyplot.savefig. The file format can be specified by the extension:
from matplotlib import pyplot as plt
plt.savefig('foo.png')
plt.savefig('foo.pdf')
Will give a rasterized or vectorized output respectively, both which could be useful. In addition, you'll find tha...
defaultdict of defaultdict?
...ns in our case the value of d[Key_doesnt_exist] will be defaultdict(int).
If you try to access a key from this last defaultdict i.e. d[Key_doesnt_exist][Key_doesnt_exist] it will return 0, which is the return value of the argument of the last defaultdict i.e. int().
...
docker error: /var/run/docker.sock: no such file or directory
... daemon, please set:
export DOCKER_CERT_PATH=
export DOCKER_TLS_VERIFY=1
export DOCKER_HOST=tcp://:2376
After setting these environment variables I was able to run the build without the problem.
Update [2016-04-28] If you are using a the recent versions of docker you can do
eval $(d...
Get person's age in Ruby
I'd like to get a person's age from its birthday. now - birthday / 365 doesn't work, because some years have 366 days. I came up with the following code:
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How to test if a string is JSON or not?
... @Zalaboza 1234, 0, false, and null are all valid JSON values. If you want a predicate that tests if the JSON represents an object you'll need to do a little more.
– Michael Lang
Nov 18 '15 at 23:15
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How to check if a string starts with a specified string? [duplicate]
I'm trying to check if a string starts with http . How can I do this check?
6 Answers
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How do I get the current time zone of MySQL?
Anyone knows if there is such a function in MySQL?
17 Answers
17
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What's a good way to overwrite DateTime.Now during testing?
... test, which doesn't feel right. What's the best way to set the date to a known value within the test so that I can test that the result is a known value?
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