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In Java, what is the best way to determine the size of an object?
I have an application that reads a CSV file with piles of data rows. I give the user a summary of the number of rows based on types of data, but I want to make sure that I don't read in too many rows of data and cause OutOfMemoryError s. Each row translates into an object. Is there an easy way t...
Convert NSArray to NSString in Objective-C
I am wondering how to convert an NSArray [@"Apple", @"Pear ", 323, @"Orange"] to a string in Objective-C .
9 Answers
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How to check if a string array contains one string in JavaScript? [duplicate]
... string. I'd like to test this string against the array values and apply a condition the result - if the array contains the string do "A", else do "B".
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eclipse won't start - no java virtual machine was found
Eclipse was running fine yesterday (and has been since I installed it about a year ago). Now all the sudden I'm getting the following error on startup:
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How do I enable EF migrations for multiple contexts to separate databases?
... do I enable Entity Framework 5 (version 5.0.0) migrations for multiple DB contexts in the same project, where each context corresponds to its own database? When I run Enable-Migrations in the PM console (Visual Studio 2012), there's an error because of there being multiple contexts:
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Deleting all records in a database table
How do I delete all records in one of my database tables in a Ruby on Rails app?
7 Answers
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grep using a character vector with multiple patterns
I am trying to use grep to test whether a vector of strings are present in an another vector or not, and to output the values that are present (the matching patterns).
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What's so bad about Template Haskell?
It seems that Template Haskell is often viewed by the Haskell community as an unfortunate convenience. It's hard to put into words exactly what I have observed in this regard, but consider these few examples
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