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Declaring abstract method in TypeScript

...because it is abstract. This is part of TypeScript 1.6, which is now officially live. abstract class Animal { constructor(protected name: string) { } abstract makeSound(input : string) : string; move(meters) { alert(this.name + " moved " + meters + "m."); } } class Snake ...
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use initial width for element not working in IE

... note, initial is a valid property value (developer.mozilla.org/en-US/docs/Web/CSS/initial). But (if you scroll down to "Browser compatibility" in the previous link), no IE version supports it. – gtramontina Jul 14 '16 at 23:32 ...
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Why are dates calculated from January 1st, 1970?

...1st, 1970) as default standard The Question makes two false assumptions: All time-tracking in computing is done as a count-since-1970. Such tracking is standard. Two Dozen Epochs Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various...
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Finding sum of elements in Swift array

...st) way to find the sum of an array of integers in swift? I have an array called multiples and I would like to know the sum of the multiples. ...
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What's the difference between a Future and a Promise?

... According to this discussion, Promise has finally been called CompletableFuture for inclusion in Java 8, and its javadoc explains: A Future that may be explicitly completed (setting its value and status), and may be used as a CompletionStage, supporting dependent fu...
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D3.js: what is 'g' in .append(“g”) D3.js code?

...umentation for javascript always enlightens: developer.mozilla.org/en/docs/Web/SVG/Element/g. An experimental pen can be found here: codepen.io/ahujamoh/pen/brRpWM – Mohit Aug 10 '17 at 12:14 ...
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tmux set -g mouse-mode on doesn't work

...ke scrolling with wheels work bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'" bind -n WheelDownPane select-pane -t= \; send-keys -M This will enable scrolling on hover over a pane and y...
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How to count certain elements in array?

...me. And we can argue what is most elegant. E.g. for me, making a function call per element to just to compare it to a value is not elegant. – Felix Kling May 25 '11 at 8:33 ...
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What differences, if any, between C++03 and C++11 can be detected at run-time?

...onstrate breaking changes. The following is a tweaked testcase, which initially was used to demonstrate such a change, but now is used to test for C++0x or C++03. struct X { }; struct Y { X x1, x2; }; struct A { static X B(int); }; typedef A B; struct C : A { using ::B::B; // (inheriting const...
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Vertically align text within a div [duplicate]

........................ line-height: normal; :) – jave.web Nov 17 '15 at 14:57 add a comment ...