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Fueling Curiosity, One Insight at a Time

At Codemancers, we believe every day is an opportunity to grow. This section is where our team shares bite-sized discoveries, technical breakthroughs and fascinating nuggets of wisdom we've stumbled upon in our work.

Mar 29, 2019
if you use kaminari(or any pagination) eventually you might want to move to https://github.com/kaminari/kaminari#paginating-without-issuing-select-count-query pagination with just prev and next button. When you have a lot of records, that extra count query might add 100-200ms on page load.
goromlagche
Goromlagche
Mar 10, 2019
To determine public IP address, use this command curl -s checkip.dyndns.org
iffyuva
Iffyuva
Mar 8, 2019
jest: When using mockRejectedValue with axios the data should be inside response.data. Eg: mockRejectedValue({ response: { data: {errors: []} }, status: 400, statusText: "Bad Request" })
revath
Revath
Mar 8, 2019
When using mockRejectedValue with axios the data should be inside response.data. Eg: mockRejectedValue({ response: { data: {errors: []} }, status: 400, statusText: "Bad Request" })
revath
Revath
Mar 5, 2019
echo $PATH | sed -e $'s/\:/\\\n/'g or echo $PATH | tr ":" "\n" to see each entry in $PATH in separate line.
revath
Revath
Mar 5, 2019
use :focus-within to keep the parent element visible when focus is on child. Helpful on making dropdown menu.
revath
Revath
Mar 4, 2019
In jest.fn we can use mockFn.mockRejectedValue and mockFn.mockResolvedValue instead of mockFn.mockReturnValue(Promise.resolve({data: { message: "Failure", count: 1 }}); https://jestjs.io/docs/en/mock-function-api.html#mockfnmockresolvedvaluevalue
revath
Revath
Feb 20, 2019
in rails unscope doesnt used to work with joins/left_joins, but recently has been fixed and backported to 5.1 and 5.0
goromlagche
Goromlagche
Feb 15, 2019
its better to use date + Time.zone.utc_offset rather than Time.zone.parse(date.to_s) if you are worried about performance
https://gist.github.com/goromlagche/d0305f1bb72ea1d01372fce3c91553d1
goromlagche
Goromlagche
Feb 14, 2019
"you can use serveo.net to get reusable public endpoints. Example: ssh -R github:80:localhost:4000 serveo.net"
akash
Akash

Showing 56 to 58 of 80 results

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