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Remove all special characters except space from a string using JavaScript

I want to remove all special characters except space from a string using JavaScript. 11 Answers ...
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Looping in a spiral

A friend was in need of an algorithm that would let him loop through the elements of an NxM matrix (N and M are odd). I came up with a solution, but I wanted to see if my fellow SO'ers could come up with a better solution. ...
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How to make a JSONP request from Javascript without JQuery?

Can I make a cross-domain JSONP request in JavaScript without using jQuery or other external library? I would like to use JavaScript itself and then parse the data and make it an object so I could use it. Do I have to use an external library? If not, how can I do it? ...
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Difference between SRC and HREF

The SRC and HREF attributes are used to include some external entities like an image, a CSS file, a HTML file, any other web page or a JavaScript file. ...
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What does the “===” operator do in Ruby? [duplicate]

I've seen it used a few times lately but can't figure out what it does. Can anyone illustrate how it works? 3 Answers ...
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YouTube iframe API: how do I control an iframe player that's already in the HTML?

I want to be able to control iframe based YouTube players. This players will be already in the HTML, but I want to control them via the JavaScript API. ...
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How to create a multi-tenant database with shared table structures?

Our software currently runs on MySQL. The data of all tenants is stored in the same schema. Since we are using Ruby on Rails we can easily determine which data belongs to which tenant. However there are some companies of course who fear that their data might be compromised, so we are evaluating othe...
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Programming with white text on black background?

Does anyone program with white text against black background? I have heard some rumors that it is better for your eyes. What's the case? Is it any better than the traditional black on white? What are the pros and cons? ...
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In R, how to get an object's name after it is sent to a function?

I am looking for the reverse of get() . 3 Answers 3 ...
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Circular gradient in android

I'm trying to make a gradient that emits from the middle of the screen in white, and turns to black as it moves toward the edges of the screen. ...