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How do I parse JSON with Objective-C?

I am new to iPhone. Can anyone tell me the steps to follow to parse this data and get the activity details, first name, and last name? ...
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Convert JS date time to MySQL datetime

Does anyone know how to convert JS dateTime to MySQL datetime? Also is there a way to add a specific number of minutes to JS datetime and then pass it to MySQL datetime? ...
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Is it safe to use -1 to set all bits to true?

I've seen this pattern used a lot in C & C++. 20 Answers 20 ...
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How to refresh app upon shaking the device?

I need to add a shake feature that will refresh my Android application. 16 Answers 16 ...
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Get the current year in JavaScript

How do I get the current year in JavaScript? 8 Answers 8 ...
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Sass calculate percent minus px

I want to be able to do the following: 6 Answers 6 ...
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Python Progress Bar

How do I use a progress bar when my script is doing some task that is likely to take time? 33 Answers ...
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Format / Suppress Scientific Notation from Python Pandas Aggregation Results

How can one modify the format for the output from a groupby operation in pandas that produces scientific notation for very large numbers? ...
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Convert Array to Object

What is the best way to convert: 45 Answers 45 ...
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“x not in y” or “not x in y”

When testing for membership, we can use: 6 Answers 6 ...