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How to determine if a process runs inside lxc/Docker?
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Handy Python function to check if running in Docker:
def in_docker():
""" Returns: True if running in a Docker container, else False """
with open('/proc/1/cgroup', 'rt') as ifh:
return 'docker' in ifh.read()
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Create an array with same element repeated multiple times
In Python, where [2] is a list, the following code gives this output:
25 Answers
25
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An error occurred while signing: SignTool.exe not found
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I am a fairy experienced programmer in Java and Python. I needed to compile a C# project in VS2015 for my own use. This is the only solution I could understand (with the help of Google) on this page.
– chiffa
Aug 25 '15 at 16:17
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Simple regular expression for a decimal with a precision of 2
...left it 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"]
ass...
How can I strip first and last double quotes?
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Lots of Pythonistas have similar reactions to REs, which are really unjustified -- REs are quite speedy. Plus, the solution you "prefer", as posted, does something completely different (removes first and last char only if both are d...
How to show multiline text in a table cell
...eded to do the same thing! Don't ask why but I was generating a html using python and needed a way to loop through items in a list and have each item take on a row of its own WITHIN A SINGLE CELL of a table.
I found that the br tag worked well for me. For example:
<!DOCTYPE html>
<HTML&g...
Replacing blank values (white space) with NaN in pandas
... The reference to "basestring" in the code above will not work in Python 3.... in that case, try using "str" instead.
– Spike Williams
Feb 9 '15 at 20:39
4
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How do I clear/delete the current line in terminal?
... echo 'set editing-mode vi' >> ~/.inputrc. Also works in places like python interpreter prompts and some SQL clients
– dwurf
Oct 13 '14 at 0:12
add a comment
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How to continue a task when Fabric receives an error
...h as a remote program returning a nonzero return value or your fabfile’s Python code encountering an exception, execution will halt immediately.
This is typically the desired behavior, but there are many exceptions to the rule, so Fabric provides env.warn_only, a Boolean setting. It defaults to Fa...
How can I filter a date of a DateTimeField in Django?
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docs.python.org/library/datetime.html#datetime-objects using datetime() from datetime module hrs,mins,secs is optional. the second is from a working project with vars replaced, you can look in the docs it's correct
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