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Share variables between files in Node.js?

.../ File: constants.js module.exports = { appName: 'My neat app', currentAPIVersion: 3 }; And use it this way // File: config/routes.js var constants = require('../constants'); module.exports = function(app, passport, auth) { var apiroot = '/api/v' + constants.currentAPIVersion; ... app.p...
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Rails find_or_create_by more than one attribute?

... api.rubyonrails.org/classes/ActiveRecord/… – Duke Feb 20 '16 at 0:32 add a comment ...
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PHP + MySQL transactions examples

...e and PDO::ATTR_ERRMODE and PDO::ERRMODE_EXCEPTION else, with some other API, you might have to test the result of the function used to execute a query, and throw an exception yourself. Unfortunately, there is no magic involved. You cannot just put an instruction somewhere and have transactions ...
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Why is there no String.Empty in Java?

...n the number of up-votes it received. It's about the symmetry, without it APIs are harder to use for humans. Early Java SDKs notoriously ignored the rule and now it's kind of too late. Here are a few examples on top of my head, feel free to chip in your "favorite" example: BigDecimal.ZERO, but n...
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Rails extending ActiveRecord::Base

...r < ActiveRecord::Base you will have: FooBar.bar and FooBar#foo http://api.rubyonrails.org/classes/ActiveSupport/Concern.html share | improve this answer | follow ...
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How to detect online/offline event cross-browser?

...ethods: https://developer.mozilla.org/en/Online_and_offline_events "If the API isn't implemented in the browser, you can use other signals to detect if you are offline including listening for AppCache error events and responses from XMLHttpRequest" This links to an example of the "listening for AppC...
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Check orientation on Android phone

... @user3441905, yes they are. Use getSize(Point outSize) instead. I'm using API 23. – WindRider Dec 2 '15 at 11:13 ...
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Creating JS object with Object.create(null)?

...necessary. I appreciate your answer but documentation should give you the api necessary to work with whatever code you're working with. If you're grabbing some random code from github, then you can fork it and be safe from less documented updates. Not to mention {} is so much more prevalent than ...
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junit & java : testing non-public methods [duplicate]

...o test public methods, because you should only be unit-testing your public API, and that by doing so, you should be covering the code in your non-public methods. Your mileage may vary; I find that this is sometimes the case and sometimes not. With that said, there are a couple of ways to test non-...
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Which annotation should I use: @IdClass or @EmbeddedId

The JPA (Java Persistence API) specification has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId . ...