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'echo' without newline in a shell script
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I believe right now your output printing as below
~ echo -e "String1\nString2"
String1
String2
You can use xargs to get multiline stdout into same line.
~ echo -e "String1\nString2" | xargs
String1 String2
~
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MongoDB drop every database
I would like to know if there're a command to drop every databases from my MongoDB?
8 Answers
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How to get all groups that a user is a member of?
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I tried again just now, still on Win 7, and it does work fine. Perhaps I had typo when first trying this out. Thanks for adding the replace to strip out the forest "guff".
– Dallas
Mar 13 '17 at 21:09
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sh: 0: getcwd() failed: No such file or directory on cited drive
... can happen with symlinks sometimes. If you experience this issue and you know you are in an existing directory, but your symlink may have changed, you can use this command:
cd $(pwd)
share
|
impr...
How to initialize a JavaScript Date to a particular time zone
...ne as a string and I want to convert this to the local time. But, I don't know how to set the timezone in the Date object.
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Retrieve CPU usage and memory usage of a single process on Linux?
I want to get the CPU and memory usage of a single process on Linux - I know the PID. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line?
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git checkout tag, git pull fails in branch
...t master. I couldn't do git pull because the reference to origin was lost. Now it works. Thank you!
– Ariel
Dec 12 '14 at 13:22
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Celery Received unregistered task of type (run example)
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celeryd is obsolete. Now one should run celery worker e.g for Django like this celery --app=your_app.celery worker --loglevel=info
– andilabs
Jan 14 '16 at 11:25
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How do I get the base URL with PHP?
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this keeps redirecting to same page user is at now. how can I fix this to redirect to home page? Im on apache, localhost. php7
– Joey
Dec 14 '17 at 8:06
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How to calculate a logistic sigmoid function in Python?
...do it:
import math
def sigmoid(x):
return 1 / (1 + math.exp(-x))
And now you can test it by calling:
>>> sigmoid(0.458)
0.61253961344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not teste...