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Tech Productivity etc
Amit Upadhyay
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Git Basics
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git basics
▶ pull request first
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git basics
▶ link to asana
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git basics
▶ commit often: once you have a minor piece working, commit
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git basics
▶ look at your pull request not individual commits
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git basics
▶ pre-commit hooks
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git basics
▶ name/email must be proper
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git basics
▶ tasks on pull request
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git basics
do not have long lived branches
▶ do not have changes for long, figure out if some partial work
can be merged
▶ longer the branch, worse the programmer
▶ create new branch from existing ones, new pull request etc
▶ disable features
▶ be creative: getting your changes merged is your job.
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Code Review
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Code review
▶ self, then peer, then super
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Code review
▶ are there any hardcoded variables, that should be in settings?
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Code review
▶ is there any code that can be reused or made a utility
function?
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Code review
▶ do all files meet style guideline?
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Code review
▶ is there unit test for main thing?
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Code review
▶ is the copy approved by product team?
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Code review
▶ are human strings internationalized?
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Code review
▶ is there something clever being used? can anything be
simplified?
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Code review
▶ are we using new library? if so is it justified/approved?
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Code review
▶ is there any commented out code?
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Code review
▶ is there any pending TODOs or FIXMEs?
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Code review
▶ can any logging, print, debugging calls be reduced?
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Code review
▶ are all user and api inputs validated?
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Code review
▶ are variable and functions name accurate, spelling, tense,
grammar etc?
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Editor
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Editor
▶ quickly changing file if file name is known
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Editor
▶ quickly searching for file if content is known
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Editor
▶ quickly looking for some word in currently open file
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Editor
▶ intellisense navigation of file
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Editor
▶ quickly seeing diff
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Editor
▶ highlight errors
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Editor
▶ jump to next error
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Editor
▶ learn keyboard macros (create & execute it)
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Style Rant
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Style rant
▶ import module not objects
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Style rant
▶ never do import * (why?)
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Style rant
▶ never do relative imports
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Style rant
▶ imports must be ordered (django, system, ours,
requirements.txt)
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Style rant
▶ line length basics
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Style rant
▶ amitu’s style exceptions
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Asana Rant
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Asana rant
▶ everything you get a mail, add it to asana, on every mail
follow up, remind
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Asana rant
▶ look at your page and organize it
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Asana rant
▶ look at project
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Asana rant
▶ multiple projects for a task
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Asana rant
▶ refer other tasks as much as possible
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Asana rant
▶ close duplicate
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Asana rant
▶ sub tasks
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Asana rant
▶ what does asana and ack mean?
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Asana rant
▶ comment in asana
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Asana rant
▶ update description
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Code tips
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Code tips
▶ optimize for read**ability (written once, read 100 times)
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Code tips
▶ write comments first
▶ delete comments afterwards if your english version and python
version are similar
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Code tips
▶ early returns/continue etc
▶ its ok to iterate some lists twice or thrice)
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Code tips
▶ no big try blocks (try must have single statement)
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Code tips
▶ say what you mean, code is written for humans first
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Code tips
▶ do not try to optimize
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Code tips
▶ dont be clever, dont rely on “happens to satisfy need”.
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Code tips
▶ reuse (ask if what you are writing if motor product logic or
generic thing)
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Code tips
▶ take pride in what you do
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Code tips
▶ understand what you are doings
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Code tips
▶ cost of development vs optimization (is it good enough?)
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Code tips
▶ perfection is enemy of done
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Code tips
▶ pay special attention to names. use spell checkers. mind
grammar.
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Code tips
▶ do not import from somewhere where it is not defined (unless
init_.py)
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Code tips
▶ dont write generalised code. hate generics.
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Code tips
▶ move code around to see what looks better, would be easier
to next guy
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Code tips
▶ read other peoples code
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Code tips
▶ dont automate till have you have done it 3-4 times manually
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Code tips
▶ do automate what you do 100s of times a day
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Code tips
▶ ask if i can make this simpler before being done.
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Code tips
▶ can i delete anything?
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Code tips
▶ multi line ifs are ok
▶ multi line if must have or/and in front not end
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Code tips
▶ multi line if must have or/and in front not end
if (
(datetime.utcnow() -
transaction.updated_on.replace(tzinfo=None)).days
> 0
or (
hasattr(m,
'refresh_transaction_before_proposal')
and m.refresh_transaction_before_proposal()
)
):
refresh_transaction_details(transaction)
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Code Tips
▶ never do if not with else block
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Code tips
▶ make your functions tall not wide
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Code tips
▶ delete variables once they are not being used
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Misc Tips
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Misc tips
▶ never write more than few lines in ipython/python shell, use
file
▶ all.py
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Misc tips
▶ the business card technique
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Misc tips
▶ mail tagging for productivity (to reply, waiting, discuss)
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Misc tips
▶ make terminal, server and browser quickly switchable
(milliseconds count)
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Misc tips
▶ scrum notes
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Misc tips
▶ scrum: discussion ideas
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Misc tips
▶ database template stuff
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Misc tips
▶ use oh-my-zsh
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Misc tips
▶ CDPATH
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Misc tips
▶ Ctrl-R
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Misc tips
▶ Ctrl-a/e/Alt-delete/b/f
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Misc tips
▶ use pocket
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Misc tips
▶ snappyapp
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Misc tips
▶ uniformity is a good, boring is good, done is better, simple is
perfection
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Misc tips
▶ use pyenv
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Misc tips
▶ use ssh config file
ControlMaster auto
ControlPath /Users/amitu/.ssh/tmp/%h_%p_%r
Host aws
Host aws.coverfox.com
User ubuntu
Port 333
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Misc tips
▶ Work from home folks make it a point to attend the scrum
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Misc tips
▶ Sprint naming - use dates to make those uniform across teams

Coverfox: Tech Productivity etc