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support FragmentPagerAdapter holds reference to old fragments
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Cross-reference (named anchor) in markdown
Is there markdown syntax for the equivalent of:
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How can I check if a Perl array contains a particular value?
I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array.
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How to read multiple text files into a single RDD?
I want to read a bunch of text files from a hdfs location and perform mapping on it in an iteration using spark.
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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.
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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?
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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...
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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