TIL - Today I Learned

Is a collection of learning notes, resources etc.

Entries

10-07-2019

• talks about callback function in setState()
• discover different object methods in Object.keys(),Object.entries(),Object.values()
• discover .filter() array method

11-07-2019

• general learning
• discover new git command git show --name-only

16-07-2019

• redux learning
• talks about what is redux
• how redux is divided
• what are actions, reducer, selectors
• how to create store, how to connect store to react app

21-07-2019

• continue learning about redux
• how to connect redux and react - via connect() method
• • we know that connect() method takes in 3 params
• learn about redux selectors
• learn about function mapStateToProps

26-07-2019

• continue learning about redux
• general learning - intersection observer, hoisting, block scope
• continue learning about redux

02-08-2019

• learn about combineReducers()

03-09-2019

• learn about basic react hooks

07-09-2019

• learn basics of typescript
• using Type vs. Iterface
• for type use case
• Difference between TS Type vs. Interface

03-12-2019

• learned about types in TS
• how to define proper types for react props
• how to define default values for FC in TS
• how to handle types for `onClick` and other methods
• what are angle brackets `<>` in TS

16-12-2019

• learned new git command - `git cherry -v`
• different reset methods on git

17-12-2019

• learned how to properly define state on class component in TS
• learned how to revert commit or multiple commits, using git stash, short git status output

18-12-2019

• Non-null assertion operator - post-fix `!` operator
• Pretty git log graph, one line
• PS creating new file from CLI

27-12-2019

• Setup webpack configs
• Babel plugins - what each individual plugin does

07-01-2020

• rebasing onto feat-branch
• use git rebase --onto dev, must be checked out on feat-branch

10-01-2020

• git diff --cached for staged diff

15-01-2020

• git remote -v for listing remotes
• git remote set-url origin [REPO_URL.git] for changing remote URL
• ? - use as optional chaining
• experimental feature, use sparringly

16-01-2020

• git add -p for interactive add
• git rebase -i HEAD~{n} for interactive rebase
• Unix - copy text from one file into another file cat NOTES.md > NOTES-2.md

17-01-2020

• interactive rebase - git rebase -i
• interactive rebase - git rebase -i HEAD~n we can specify which commits, n is number of commits
• interactive rebase we can squash, drop, use, edit etc
• rewrites history
• reflog - is a reference log
• record when the tips of branches where updated
• keeps record for 90 days
• git gc - garbage collection
• can compress file revision
• git bisect - binary search between 2 commits

21-01-2020

• using git clean to remove untracked files
• different commands - for deleting dir, files, ignored files, non ignored files

02-02-2020

• basic about cookies

23-04-2020

• client storage - cookies, session, local storage
• features of different storages
• talks about flows authetication and authorization
• extra info about cookies

13-05-2020

• Learn basic SQL stuff

15-05-2020

• ORDER BY Statement
• SELECT TOP Statement
• IN Operator

16-05-2020

• LIKE Operator

19-05-2020

• MAX and ROUND MySQL Functions
• Practice on HackerRank

21-05-2020

• MIN and TRUNCATE MySQL Functions
• Practice on HackerRank

25-05-2020

• Practice on HackerRank

27-05-2020

• FLOOR() MySQL Functions
• Practice on HackerRank

01-06-2020

• Practice on HackerRank

JS Notes

23-04-2020

• functions, call stack, execution

24-04-2020

• function declaration, function expression

29-04-2020

• Hoisting
• TODO: Finish video on hoisting

01-06-2020

• Practice on code wars

11-06-2020

• Worked on hoisting, execution context