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Should I be using object literals or constructor functions?

...If you want to add behaviour to your object, you can go with a constructor and add methods to the object during construction or give your class a prototype. function MyData(foo, bar) { this.foo = foo; this.bar = bar; this.verify = function () { return this.foo === this.bar; ...
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Break promise chain and call a function based on the step in the chain where it is broken (rejected)

...et's say you have something like the following: stepOne() .then(stepTwo, handleErrorOne) .then(stepThree, handleErrorTwo) .then(null, handleErrorThree); To better understand what's happening, let's pretend this is synchronous code with try/catch blocks: try { try { try { ...
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Animate scrollTop not working in firefox

...llback to be invoked twice. Browser-detection features have been suggested and subsequently deprecated, and some are arguably rather far-fetched. If the callback is idempotent and doesn't require a lot of computing power, firing it twice may be a complete non-issue. If multiple invocations of the c...
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How to update a value, given a key in a hashmap?

... In fact that is the most robust and scalable enterprise solution. – Lavir the Whiolet Nov 11 '10 at 18:42 12 ...
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What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?

What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? 6 Answers ...
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Is it possible to have multiple statements in a python lambda expression?

...s a version of sort that creates a new list, rather than sorting in-place, and can be chained. Note that this is probably what you should be using - it's bad practice for your map to have side effects on the original list. Q. How should I get the second lowest item from each list in a sequence of ...
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How to decide font color in white or black depending on background color?

...need to break the hex code into 3 pieces to get the individual red, green, and blue intensities. Each 2 digits of the code represent a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up. Once you have the intensities for the individ...
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Git: Cannot see new remote branch

A colleague pushed a new remote branch to origin/dev/homepage and I cannot see it when I run: 9 Answers ...
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Deleting queues in RabbitMQ

... about the data in management database; i.e. users, vhosts, messages etc., and neither about other queues, then you can reset via commandline by running the following commands in order: WARNING: In addition to the queues, this will also remove any users and vhosts, you have configured on your Ra...
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Best way to represent a fraction in Java?

...too long ago, for Project Euler problems. It keeps a BigInteger numerator and denominator, so it'll never overflow. But it'll be a tad slow for a lot of operations that you know will never overflow.. anyway, use it if you want it. I've been dying to show this off somehow. :) Edit: Latest and gre...