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How can I remove the extension of a filename in a shell script?
...t and pipe it to the cut command
The cut will use the . as delimiter (also known as separator) for cutting the string into segments and by -f we select which segment we want to have in output
Then the $() command substitution will get the output and return its value
The returned value will be assign...
Get yesterday's date in bash on Linux, DST-safe
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I think this should work, irrespective of how often and when you run it ...
date -d "yesterday 13:00" '+%Y-%m-%d'
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How do I SET the GOPATH environment variable on Ubuntu? What file must I edit?
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New Way:
Check out this answer.
Old Way:
Just add the following lines to ~/.bashrc and this will persist. However, you can use other paths you like as GOPATH instead of $HOME/go in my sample.
export GOPATH=$HOME/go
export PATH=$PATH:$G...
How do I lowercase a string in Python?
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Use .lower() - For example:
s = "Kilometer"
print(s.lower())
The official 2.x documentation is here: str.lower()
The official 3.x documentation is here: str.lower()
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Does Typescript support the ?. operator? (And, what's it called?)
...7 and called Optional chaining: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#optional-chaining
I can't find any reference to it whatsoever in the TypeScript language specification.
As far as what to call this operator in CoffeeScript, it's called the existential o...
How to get parameters from a URL string?
...cho $query['email'];
If you want to get the $url dynamically with PHP, take a look at this question:
Get the full URL in PHP
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How do I sort one vector based on values of another
I have a vector x, that I would like to sort based on the order of values in vector y. The two vectors are not of the same length.
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How to duplicate virtualenv
I have an existing virtualenv with a lot of packages but an old version of Django.
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What is a “web service” in plain English?
I've been reading about "web services" here on SO, on Wikipedia, Google, etc., and I don't quite understand what they are. What is the plain English definition/description?
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How to sort a list/tuple of lists/tuples by the element at a given index?
I have some data either in a list of lists or a list of tuples, like this:
10 Answers
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