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How do I get started with Node.js [closed]

... You can follow these tutorials to get started Tutorials NodeSchool.io interactive lessons The Art of Node (an introduction to Node.js) Hello World Hello World Web Server (paid) Node.js guide Build a blog with Node.js, express and MongoDB Node.js for Beginners Learn Node.js Completely ...
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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]

...by String Pool ? And what is the difference between the following declarations: 5 Answers ...
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Which is the preferred way to concatenate a string in Python?

...string. And this can be true, in some cases. Here, for example, is one million appends of a one-character string, first to a string, then to a list: a += b: 0.10780501365661621 a.append(b): 0.1123361587524414 OK, turns out that even when the resulting string is a million characters long, appendin...
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How can I convert my device token (NSData) into an NSString?

I am implementing push notifications. I'd like to save my APNS Token as a String. 29 Answers ...
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How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?

...alize @scope: resolve single or multiple queued requests. @params: <array> needles @returns: <deferred> object */ Localize: function ( needles ) { var that = this; // Enqueue the needles. for ( var i = 0; i < needles.length; i++ ...
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Get user profile picture by Id

I'm now working on a web application which is mostly based of facebook graph api. I hold some data about users - actually , the possible public data available - such as name and id. I also know that a profile picture is a part of the public data, and I wondered how I'll be able to get a direct link ...
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In Objective-C, how do I test the object type?

... Be careful with it though, as many Apple objects are actually Core Foundation types in disguise. (Eg. an NSString is more often an NSCFString, and isMemberOfClass: will return false for this comparison.) – Craig Otis Jul 17 '09 at 17:45 ...
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4

...en it says "MissingRequiredValidatorError" I thought that by updating post_params and giving it :image it would be fine, as both create and update use post_params ...
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CSS - Overflow: Scroll; - Always show vertical scroll bar?

... Just ran into this problem myself. OSx Lion hides scrollbars while not in use to make it seem more "slick", but at the same time the issue you addressed comes up: people sometimes cannot see whether a div has a scroll feature or not. The fix: In your css include ...
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Container View Controller Examples [closed]

... Custom View Controller as a Container View Controller? The only documentation I can find is a couple of paragraphs in the UIViewController Class Reference . I feel I need a little more information than that and an example implementation would be nice. Google has turned up nothing at all. ...