Starting with ECMAScript 2015, you are able to define own methods in a shorter syntax, similar to the getters and setters. See method definitions for more information. var obj = { foo() {}, b...

起因是為了安裝 dart sass, 結果就把原本不確定是 gem 還是 brew 的 sass 移除, 結果導致 http-server 也壞掉了… brew install http-server 一直出錯: llvm sqlite curl 因為 https 而無法下載 brew link --overwrite --dry-run python@2 /usr...

window.getComputedStyle() The Window.getComputedStyle() method returns an object containing the values of all CSS properties of an element, after applying active stylesheets and resolving any b...

nice.js domain[i0] = interval.floor(x0); domain[i1] = interval.ceil(x1); 畫 24 小時的軸, 沒有用 nice() 前, 會從當下時間開始, 所以會原點不一定有值 d3.scaleTime() .domain([new Date(), new Date(Date.now() + 24 * 60 * 60 * 10...

// create an empty Int array var arr = [Int]() // extend the array using a Range arr += 1...100 var arr30 = Array(1...30) // even array var arr40 = Array(1...40) print(arr40[arr40.partition{$...

How to create an array containing 1…N Array.from(Array(10).keys()); // => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] [...Array(10).keys()] // => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] Array.from({length: 10},...

1. Use --depth svn co --depth empty https://svn-server/Proj1 cd svn up theFileName 2. Use cat svn cat https://svn-server/Proj1/theFileName > localFileName

Core Data

CREATE TABLE A1 ( SN NUMERIC(3,0) IDENTITY, NAME VARCHAR(20) NULL, ADDRESS VARCHAR(50) NULL, CONSTRAINT A1_PK PRIMARY KEY (SN) ); --INSERT INTO A1 (NAME,ADDRESS) VA...

You will not use vi just to create new files. You’ll spend a lot of your time in vi editing existing files. You rarely want to simply open to the first line in the file and move through it line by ...