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@mroderick
mroderick / README.md
Last active Jul 18, 2018
Firefox debugger bug
View README.md

Firefox debugger bug

When using the debugger and re-using an argument name in a chain of promises, the debugger displays the second argument as undefined().

Try running the examples in Firefox and compare what the debugger displays about the argument to the second callback.

@mroderick
mroderick / sinon-array-test.js
Created Aug 9, 2017
A sample which shows that you cannot stub the `Array.prototype.filter` method. All works fine for `Array.prototype.map`.
View sinon-array-test.js
'use strict';
const sinon = require( 'sinon' );
const expect = require( 'chai' ).expect;
describe( 'Array.prototype', () => {
describe( 'map()', () => {
it( 'uses native map', () => {
const callback = sinon.spy();
const stub = sinon.stub( Array.prototype, 'map' ).returns( [ 2, 4 ] );
View how-to-add-image-to-gist.md

How to add an image to a gist

  1. Create a gist if you haven't already.
  2. Clone your gist:
    # make sure to replace `<hash>` with your gist's hash
    git clone https://gist.github.com/<hash>.git # with https
    git clone git@gist.github.com:<hash>.git     # or with ssh
@mroderick
mroderick / test-with-error.js
Last active Feb 24, 2016
How can I get mocha to fail on exceptions?
View test-with-error.js
describe('this should cause tests to fail', function(){
// this will cause an exception
// causing mocha to ignore this whole file
var hello = JSON.parse('{"hello":}');
it('should something', function(){
// magic
assert.equal(true, true);
})
});
@mroderick
mroderick / eslint-pre-commit.sh
Last active Feb 3, 2017
My current git pre-commit hook script for linting staged changes with ESLint
View eslint-pre-commit.sh
#!/bin/bash
# if there are no staged changes, we can exit immediately
# this is fast and prevents issues when popping a stash we didn't create
STAGED_CHANGES=`git diff-index --cached HEAD --name-only --diff-filter ACMR`
if [ -z "$STAGED_CHANGES" ]; then
exit 0
fi
@mroderick
mroderick / frontend-curriculum.md
Last active Oct 27, 2017
Frontend Curriculum
View frontend-curriculum.md
@mroderick
mroderick / copenhagen-recommendations.md
Created Aug 26, 2015
A list of recommendations for Copenhagen, Denmark
View copenhagen-recommendations.md

Things to do in Copenhagen

I get asked for recommendations for Copenhagen often enough, that this little document is now a thing.

Please give back by contributing to it.

General

  • Visit Copenhagen
  • CopenhagenCard - this seems like a good deal. Put it on smartphone, and have it ready on * arrival... there's a list of attractions included
  • Arken - Museum of modern art
@mroderick
mroderick / favourite-food-blogs.md
Last active Aug 29, 2015
I was asked for favourite food blogs, networks, etc.
View favourite-food-blogs.md
@mroderick
mroderick / stringify-tip.js
Created Apr 15, 2015
Readable output from JSON.stringify
View stringify-tip.js
var o = {hello:'world', greetings: ['one', 'two', 'three']};
undefined
// regular, difficult to read for large objects
JSON.stringify(o);
"{"hello":"world","greetings":["one","two","three"]}"
// presto!
JSON.stringify(o, '', ' ');
"{
@mroderick
mroderick / find-old-branches.sh
Last active Jun 19, 2019
A small script to find stale branches
View find-old-branches.sh
#!/bin/bash
# This is a very naive script, it doesn't do grouping and returns all branches
# I only really care about branches that have not seen commits in two months
#
# I am hoping to find some time to write a tool that can output these reports for me
# In the meantime, I am using this
echo "Merged branches"
for branch in `git branch -r --merged | grep -v HEAD`;do echo -e `git log --no-merges -n 1 --format="%ci, %cr, %an, %ae, " $branch | head -n 1` \\t$branch; done | sort -r
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