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Update Row if it Exists Else Insert Logic with Entity Framework

Does anyone have suggestions on the most efficient way to implement "update row if it exists else insert" logic using Entity Framework? ...
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)

I get the following error when attempting to install psycopg2 via pip on Mavericks 10.9: 14 Answers ...
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How do I concatenate strings and variables in PowerShell?

Suppose I have the following snippet: 21 Answers 21 ...
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SqlException from Entity Framework - New transaction is not allowed because there are other threads

I am currently getting this error: 20 Answers 20 ...
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How do I restart a service on a remote machine in Windows? [closed]

Sometimes while debugging, I need to restart a service on a remote machine. Currently, I'm doing this via Remote Desktop. How can it be done from the command line on my local machine? ...
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How to make space between LinearLayout children?

I am programatically adding custom views to a vertical LinearLayout, and I would like there to be some space between the views. I have tried adding: setPadding(0, 1, 0, 1) to my CustomView constructor, but this doesn't seem to have any effect. Any advice? ...
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Fatal error: Class 'SoapClient' not found

I'm trying a simple web service example and I get this error even though I uncommented extension=php_soap.dll in the php.ini file: ...
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Using curl POST with variables defined in bash script functions

When I echo I get this, which runs when I enter it into the terminal 7 Answers 7 ...
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Liquibase lock - reasons?

I get this when running a lot of liquibase-scripts against a Oracle-server. SomeComputer is me. 7 Answers ...
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Why can't I use background image and color together?

What I am trying to do is to show both background-color and background-image , so that half of my div will cover the right shadow background image, and the other left part will cover the background color. ...