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How can I join elements of an array in Bash?
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A 100% pure Bash function that supports multi-character delimiters is:
function join_by { local d=$1; shift; local f=$1; shift; printf %s "$f" "${@/#/$d}"; }
For example,
join_by , a b c #a,b,c
join_by ' , ' a b c #a , b , c
join_by ')|(' a b c #a)|(b)|(c
joi...
How to change the default font size in ggplot2
...e to change some default parameters of ggplot2 graphics, like font size for instance, for a whole R session. The idea is to avoid setting them for each plot.
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what does npm -D flag mean?
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The -D flag is the shortcut for: --save-dev. Source: https://docs.npmjs.com/cli/install
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How can I verify a Google authentication API access token?
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For user check, just post
get the access token as accessToken and post it and get the response
https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=accessToken
you can try in address bar in browsers too, use httppost...
Remove all values within one list from another list? [duplicate]
I am looking for a way to remove all values within a list from another list.
7 Answers
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Jackson enum Serializing and DeSerializer
...you prefer a self-contained solution, an implementation based on @JsonCreator and @JsonValue annotations would be more convenient.
So leveraging on the example by @Stanley the following is a complete self-contained solution (Java 6, Jackson 1.9):
public enum DeviceScheduleFormat {
Weekday,
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Interfaces vs. abstract classes [duplicate]
...es and when should you use abstract classes? What can be the deciding factor?
4 Answers
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Programmatically saving image to Django ImageField
Ok, I've tried about near everything and I cannot get this to work.
17 Answers
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How to extract numbers from a string in Python?
...extract all the numbers contained in a string. Which is the better suited for the purpose, regular expressions or the isdigit() method?
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Go Error Handling Techniques [closed]
... and in my opinion it is the best practice available. Some would disagree for sure, but I would argue that this is the style seen all over the standard libraries in Golang. In other words, Go authors write error handling in this way.
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