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How can I print a circular structure in a JSON-like format?
I have a big object I want to convert to JSON and send. However it has circular structure. I want to toss whatever circular references exist and send whatever can be stringified. How do I do that?
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Using LIMIT within GROUP BY to get N results per group?
The following query:
13 Answers
13
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Checking for empty arrays: count vs empty
This question on ' How to tell if a PHP array is empty ' had me thinking of this question
12 Answers
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MongoDb query condition on comparing 2 fields
I have a collection T , with 2 fields: Grade1 and Grade2 , and I want to select those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
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Getting unique items from a list [duplicate]
What is the fastest / most efficient way of getting all the distinct items from a list?
5 Answers
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Character reading from file in Python
In a text file, there is a string "I don't like this".
8 Answers
8
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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
I have a UIImage (Cocoa Touch). From that, I'm happy to get a CGImage or anything else you'd like that's available. I'd like to write this function:
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A generic list of anonymous class
In C# 3.0 you can create anonymous class with the following syntax
22 Answers
22
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How to handle both a single item and an array for the same property using JSON.net
I'm trying to fix my SendGridPlus library to deal with SendGrid events, but I'm having some trouble with the inconsistent treatment of categories in the API.
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Date query with ISODate in mongodb doesn't seem to work
I don't seem to be able to get even the most basic date query to work in MongoDB. With a document that looks something like this:
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