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MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query

I have a SQL query where I want to insert multiple rows in single query. so I used something like: 3 Answers ...
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Mocking objects with Moq when constructor has parameters

I have an object I'm trying to mock using moq. The object's constructor has required parameters: 2 Answers ...
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Using SignalR with Redis messagebus failover using BookSleeve's ConnectionUtils.Connect()

I am trying to create a Redis message bus failover scenario with a SignalR app. 1 Answer ...
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Java “user.dir” property - what exactly does it mean?

I want to use user.dir dir as a base dir for my unit tests (that creates a lot of files). Is it correct that this property points to the current working directory (e.g. set by the 'cd' command)? ...
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Looking for files NOT owned by someone

I'm looking to recursively look through directories to find files NOT owned by a particular user and I am not sure how to write this. ...
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“Ago” date/time functions in Ruby/Rails

I was wondering if there's a way in Rails to calculate time stamp like - half a minute ago, 2 minute ago, 1 day ago etc. Something like twitter real time date stamp. ...
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Difference between jQTouch and jQuery mobile

What is the difference between jQTouch & jQuery Mobile Framework ? 4 Answers 4 ...
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difference between each.with_index and each_with_index in Ruby?

I'm really confused about the difference between each.with_index and each_with_index . They have different types but seem to be identical in practice. ...
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What does “%” (percent) do in PowerShell?

It seems that the % operation starts script blocks after the pipeline, although about_Script_Blocks indicates the % isn't necessary. ...
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Why is there an injected class name?

Recently, I saw a strange C++ feature: injected class name . 1 Answer 1 ...