danhodge

# just show the IP address
% dig <DNS_NAME> +short

danhodge

// types and literals

// defines a new type (note - this is not a type alias, type aliases are a different thing)
type Thing int32

// this function only accepts arguments of type Thing, int32 arguments are not allowed by the compiler
func justThings(t Thing) {
  // do stuff
}

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# filter tests by name (works for standalone test functions or method names on a test class)
#
# pytest <test_file.py> -k test_foo
# pytest <test_file.py> -k 'test_foo or test_bar'

# run the same test multiple times with different parameters

@pytest.mark.parametrize("p1, p2", [(1, 2), (3, 4), (5,6)])
def test_foo(p1, p2):
    assert bar(p1) == p2

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# debugging
import pdb
pdb.set_trace()

# override a class method in a subclass (Python 2.x)
class Foo(object):  
  @classmethod
  def baz(cls, x):
    return x + 3

danhodge

Creating an Animated Gif Screen Recording
1. CMD+SHIFT+5 -> choose "Record Selected Portion"
2. Position box of region of screen being recorded
3. Hit Record
4. CMD+SHIFT+5 -> hit "Stop" button
4. Use Gifski application to convert movie file into animated gif

Find out which process is listening on <PORT>
sudo lsof -nP -i4TCP:<PORT> | grep LISTEN

danhodge

# Excon exposes defaults for injecting configuration parameters
Excon.defaults[:mock] = true 
Excon.defaults.delete(:mock)

# Excon stubbing
# first parameter - Hash of expected request attributes (all are optional)
# second parameter - Hash of response attributes
# if second parameter is omitted, a block can be provided a Proc object
Excon.stub({ method: :post, path: exp_path, headers: exp_headers, query: exp_query, body: exp_body }, { status: 200 })

danhodge

Tips & Tricks

https://github.com/nas5w/javascript-tips-and-tidbits

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Flexbox Cheatsheet

https://www.sketchingwithcss.com/samplechapter/cheatsheet.html

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To _not_ transitively update the dependencies of a gem when doing a bundle update, use --conservative
% bundle update --conservative <gem>

Install gems to a different path
bundle install --path .

Override a deployment packaged bundle (i.e. add new gems to a bundle already packaged for deployment)
bundle install --no-deployment

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Install
% npm install -g typescript

Start a new node.js project
% npm init
% npm install typescript -s

Add "tsc" script to package.json
"scripts": {
  "tsc": "tsc"