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Locking pattern for proper use of .NET MemoryCache

I assume this code has concurrency issues: 9 Answers 9 ...
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How to use ArrayAdapter

I have created row.xml in layouts, but don't know how to show both reason and long_val in the ListView using ArrayAdapter. ...
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Check whether an array is a subset of another

Any idea on how to check whether that list is a subset of another? 8 Answers 8 ...
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Source code highlighting in LaTeX

I need to highlight source code in LaTeX. The package listings seems to be the best choice for most use-cases and for me it was, until now. ...
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Display date/time in user's locale format and time offset

I want the server to always serve dates in UTC in the HTML, and have JavaScript on the client site convert it to the user's local timezone. ...
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How to generate a random string in Ruby

I'm currently generating an 8-character pseudo-random uppercase string for "A" .. "Z": 50 Answers ...
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How to find out if an item is present in a std::vector?

All I want to do is to check whether an element exists in the vector or not, so I can deal with each case. 18 Answers ...
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Dynamically select data frame columns using $ and a character value

I have a vector of different column names and I want to be able to loop over each of them to extract that column from a data.frame. For example, consider the data set mtcars and some variable names stored in a character vector cols . When I try to select a variable from mtcars using a dynamic s...
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How to set the part of the text view is clickable

I have the text " Android is a Software stack ". In this text i want to set the " stack " text is clickable. in the sense if you click on that it will redirected to a new activity(not in the browser). ...
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Best way to select random rows PostgreSQL

I want a random selection of rows in PostgreSQL, I tried this: 12 Answers 12 ...