Sum elements to next in a list
Question:
I have to create a function that sums of every 2 consecutives elements ina lst. for example ([2,4,3,1,-2]). the output expected [6,7,4,-1]
The basic idea is to take the collection
togakangaroo
/ foo.md
Created Mar 8, 2020
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togakangaroo
/ foo.md
Created Mar 8, 2020
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Table of Contents
The basic idea is to take the collection
togakangaroo
/ is-it-hoisting.html
Created Feb 6, 2020
View is-it-hoisting.html
| <?xml version="1.0" encoding="utf-8"?> | |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" | |
| "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> | |
| <head> | |
| <!-- 2020-02-06 Thu 17:15 --> | |
| <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> | |
| <title>‎</title> | |
| <meta name="generator" content="Org mode" /> |
togakangaroo
/ *Org HTML Export*.txt
Created Feb 6, 2020
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| <?xml version="1.0" encoding="utf-8"?> | |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" | |
| "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> | |
| <head> | |
| <!-- 2020-02-06 Thu 17:15 --> | |
| <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> | |
| <title>‎</title> | |
| <meta name="generator" content="Org mode" /> |
togakangaroo
/ notes.org
Last active Dec 13, 2019
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.Net Course Outline
History and Glossary
.Net vs Java
Anders Hejlsberg and goals of .Net 1.0
- Emulate success of Java with something familiar to practictioners
- Prepare groundwork for fixing Java’s errors
- Create next-gen system for coding on windows
- Bring VB6 developers to .Net
- Bring VB6 developers to the web
- (Later) Promote component-centeric development and encourage ecosystem
togakangaroo
/ notes.org
Created Dec 13, 2019
View notes.org
.Net Course Outline
History and Glossary
.Net vs Java
Anders Hejlsberg and goals of .Net 1.0
- Emulate success of Java with something familiar to practictioners
- Prepare groundwork for fixing Java’s errors
- Create next-gen system for coding on windows
- Bring VB6 developers to .Net
- Bring VB6 developers to the web
togakangaroo
/ timer.specs.js
Created Nov 13, 2019
View timer.specs.js
| import { expect } from 'chai' | |
| import { useFakeTimers } from 'sinon' | |
| const createStopWatch = ({ setInterval, clearInterval, Date} = global) => { | |
| const createDisplays = (main, laps = []) => ({main, laps}) | |
| let resumeTime | |
| let nextToggle | |
| let currentInterval = null | |
| let prePauseMs = 0 |
togakangaroo
/ timer.specs.js
Last active Nov 13, 2019
View timer.specs.js
| import { expect } from 'chai' | |
| import { useFakeTimers } from 'sinon' | |
| const createStopWatch = () => { | |
| const createDisplays = (main, laps = []) => ({main, laps}) | |
| let startTime | |
| const sw = { | |
| displays: createDisplays(null), | |
| toggle: () => { | |
| sw.displays = createDisplays(0) |
togakangaroo
/ timer.specs.js
Created Nov 13, 2019
View timer.specs.js
| import { expect } from 'chai' | |
| import { useFakeTimers } from 'sinon' | |
| const createStopWatch = () => { | |
| const createDisplays = (main, laps = []) => ({main, laps}) | |
| const sw = { | |
| displays: createDisplays(null), | |
| toggle: () => { | |
| sw.displays = createDisplays(0) | |
| }, |
togakangaroo
/ timer.specs.js
Created Nov 13, 2019
View timer.specs.js
| describe(`Stopwatch`, () => { | |
| let clock | |
| beforeEach(() => clock = useFakeTimers()) | |
| afterEach(() => clock.restore()) | |
| describe(`new instance`, () => { | |
| let sw | |
| beforeEach(() => sw = createStopWatch()) | |
| it(`shows nothing on main display`, () => expect(sw.displays.main).to.equal(null)) | |
| it(`shows no laps`, () => expect(sw.displays.laps).to.deep.equal([])) |
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