notes

more notes from the past few months:

shell notes

use cmd+i to set the ‘badge’ to something useful

exit all ssh sessions

~.

src

vi

vi find

/string Search forward for string
?string Search back for string
n Search for next instance of string
N Search for previous instance of string

vi delete all lines

:1,$d
src

vi line moving

Therefore, dd p / dd k P are common commands to move a line one down / up.

src

yy to yank
p to paste after
P to paste before
u to undo

comment out in vim

ctrl+v to enter visual block
x to delete selection
shift+I to enter edit mode on multiple lines

src

misc

:w [filename]

curl proxy

-x, –proxy [protocol://][user:password@]proxyhost[:port]

find (and kill) that process

ps -A | less
ps -A | grep firefox
ps -feww | grep firefox

kill 31098
kill -15 (SIGTERM) 31098

webstorm

minimap
CodeGlance plug in

scratch page
shift + command + n

search everywhere
shift + shift + shift

aut0-format
⌥+⌘+L
option + command + L

cd back

cd -

protobuf

If you are running into an error with node-gyp regarding protobuf when running npm install:
brew install protobuf
brew install pkg-config

send output to file and console

tee it up!

color output

console.log('\x1b[36m%s\x1b[0m', 'I am cyan');
https://stackoverflow.com/questions/9781218/how-to-change-node-jss-console-font-color

mongo

db.collection.find().limit(1).sort({$natural:-1})
.pretty() on json payloads to make them…pretty.
.explain('executionStats')
{$regex : ".*/route$"}

case insensitive

db.stuff.find( { foo: /^bar$/i } )
https://stackoverflow.com/questions/1863399/mongodb-is-it-possible-to-make-a-case-insensitive-query

kill mongo stuffs

db.currentOp()
db.currentOp( { "$ownOps": true } ) - only your own ops?
db.killOp([the_opid])
db.currentOp().inprog.length

and or

$and: [{expression 1}, {expression 2}]
$or: [{expression 1}, {expression 2}]

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
db.collection.find({
  "_id": {
    $gt: ObjectId("5a3ad38c0000000000000000")
  },
  "name": "Joe",
  $and: [
  {"items": {
      "$elemMatch": {
	      "fName": /Case/i
	    }
  }},
  {"items": {
      "$elemMatch": {
	      "lname": /Jojo/i
	    }
  }}
  ]
}).sort({$natural:-1})

Max query time:
.maxTimeMS()

remove env vars

unset <var>

grep

multiples
grep -e foo -e bar *.txt

extra spaces
-A after
-B before
-C both

srchttps://unix.stackexchange.com/questions/37313/how-do-i-grep-for-multiple-patterns)

pm2

watch

–watch [paths]
–ignore-watch
note: need to figure out how to correctly pass in ignored files

using config file is easier

node args

“node_args”: “–prof”

iterm

jump words

https://coderwall.com/p/h6yfda/use-and-to-jump-forwards-backwards-words-in-iterm-2-on-os-x

config open location

https://apple.stackexchange.com/questions/148508/how-to-open-a-new-tab-in-iterm-in-the-same-folder-as-the-one-that-is-open

command overlord

command + shift + i = send command to all terminal windows

finding where something is aliased

which ls
ls: aliased to ls -G

grep -r 'ls -G' ~
src (2nd answer down)

to override
command ls

ping to get ip of url

windows ssh

eval ssh-agent -s
ssh-add -l
ssh-add .ssh/your_id #not the pub one