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In Javascript, how to conditionally add a member to an object?

... 122 In pure Javascript, I cannot think of anything more idiomatic than your first code snippet. I...
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parseInt(null, 24) === 23… wait, what?

..., there are no numerals it can convert, so it returns NaN. At 24, "n", the 14th letter, is added to the numeral system. At 31, "u", the 21st letter, is added and the entire string can be decoded. At 37 on there is no longer any valid numeral set that can be generated and NaN is returned. js> par...
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What is Double Brace initialization in Java?

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How do you get assembler output from C/C++ source in gcc?

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How to store a command in a variable in a shell script?

... 149 Use eval: x="ls | wc" eval "$x" y=$(eval "$x") echo "$y" ...
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How do I detect IE 8 with jQuery?

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What's the best way to check if a String represents an integer in Java?

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How to get evaluated attributes inside a custom directive

...cess them in our directives postlink method, they are already compiled. ({{1+1}} is 2 in directive already). This is how you would want to use: var myApp = angular.module('myApp',[]); myApp.directive('myDirective', function ($parse) { return function (scope, element, attr) { element.val...
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How to check if a function exists on a SQL database

... | edited Oct 18 '13 at 14:18 answered Mar 24 '11 at 12:30 ...