emil
Wed May 16 2018
You can create a quick screencast using hangouts and then share the video as a private youtube video
mrinmoy
Tue May 15 2018
mrinmoy
Tue May 15 2018
emacs has a "M-x base64-encode-region"
manu
Mon May 14 2018
In ruby you can use any single non alpha numeric character as delimiter for % notation. The following are all same %(foo bar); %w[foo bar]; %w%foo bar%; %w$foo bar$; And many more. https://en.wikibooks.org/w/index.php?title=Ruby_Programming/Syntax/Literals#The_%_Notation
mrinmoy
Fri May 11 2018
git bundle https://git-scm.com/docs/git-bundle
akshay
Fri May 11 2018
Rails 5 prevents accidental halting of the callbacks. In order to explicitly halt, we can make use of throw(:abort)
in the callback chain.
akshay
Fri May 11 2018
Sidekiq by default does 25 retries (about 21 days) based on exponential back off formula ie. to retry multiple times with exponential delays. If need be, we can explicitly configure max_retries in sidekiq.yml.
mrinmoy
Mon May 07 2018
harshwardhan
Fri Apr 27 2018
while writing test for a parent component which renders child component based on some state/prop and if your child component is connected, always import unconnected child component and do assertion on that. /code import { ChildComponent } from 'path/to/component';
expect(component.find(ChildComponent).length).toBe(1);
//instead of expect(component.find('ChildComponent').length).toBe(1);
akshay
Mon Apr 23 2018
In Rails we can do two modes of locking that is 'Optimistic Locking' and 'Pessimistic locking'. 'Optimistic Locking' assumes that a database transaction conflict is very rare to happen and such locked records can still be read (Shared lock). It uses a version number of the record to track the changes. This can be used by adding a lock_version column to the table and then is handled automatically by Rails. Whereas 'Pessimistic locking' assumes that database transaction conflict is very likely to happen. It locks the record until the transaction is done (Exclusive lock). This can be done with ActiveRecord::Base#lock! or ActiveRecord::Locking::Pessimistic#with_lock.
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