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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)

In my iOS 5 app, I have an NSString that contains a JSON string. I would like to deserialize that JSON string representation into a native NSDictionary object. ...
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How do DATETIME values work in SQLite?

I’m creating Android apps and need to save date/time of the creation record. The SQLite docs say, however, "SQLite does not have a storage class set aside for storing dates and/or times" and it's "capable of storing dates and times as TEXT, REAL, or INTEGER values". ...
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Regular expressions in C: examples?

I'm after some simple examples and best practices of how to use regular expressions in ANSI C. man regex.h does not provide that much help. ...
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?

It seems to me that you can do the same thing in a SQL query using either NOT EXISTS, NOT IN, or LEFT JOIN WHERE IS NULL. For example: ...
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Populating a ListView using an ArrayList?

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How to run only one task in ansible playbook?

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Java - JPA - @Version annotation

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Grasping the Node JS alternative to multithreading

If I understand correctly Node JS is non blocking...so instead of waiting for a response from a database or other process it moved on to something else and checks back later. ...
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difference between socket programming and Http programming

What is the difference between socket programming and Http programming? can anyone help please? 5 Answers ...
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LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface

I have the following generic extension method: 4 Answers 4 ...