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return query based on date
I have a data like this in mongodb
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Uniq by object attribute in Ruby
What's the most elegant way to select out objects in an array that are unique with respect to one or more attributes?
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Possible heap pollution via varargs parameter
I understand this occurs with Java 7 when using varargs with a generic type;
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Is there an AddRange equivalent for a HashSet in C#
With a list you can do:
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Apache Spark: map vs mapPartitions?
What's the difference between an RDD's map and mapPartitions method? And does flatMap behave like map or like mapPartitions ? Thanks.
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How do you create an asynchronous method in C#?
Every blog post I've read tells you how to consume an asynchronous method in C#, but for some odd reason never explain how to build your own asynchronous methods to consume. So I have this code right now that consumes my method:
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Best way to run scheduled tasks [closed]
Today we have built a console application for running the scheduled tasks for our ASP.NET website. But I think this approach is a bit error prone and difficult to maintain. How do you execute your scheduled task (in an windows/IIS/ASP.NET environment)
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Parsing JSON using Json.net
I'm trying to parse some JSON using the JSon.Net library. The documentation seems a little sparse and I'm confused as to how to accomplish what I need. Here is the format for the JSON I need to parse through.
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Dynamic Sorting within SQL Stored Procedures
This is an issue that I've spent hours researching in the past. It seems to me to be something that should have been addressed by modern RDBMS solutions but as yet I have not found anything that really addresses what I see to be an incredibly common need in any Web or Windows application with a d...
How to convert list of tuples to multiple lists?
Suppose I have a list of tuples and I want to convert to multiple lists.
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