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A migration to add unique constraint to a combination of columns
What I need is a migration to apply unique constraint to a combination of columns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
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Is it possible to cherry-pick a commit from another git repository?
I'm working with a git repository that needs a commit from another git repository that knows nothing of the first.
11 Answe...
Positioning element at center of screen
... space left on 'right' and 'left' sides should be equal. I would like to accomplish this with only CSS.
13 Answers
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JavaScript: Upload file
...ion</a> for 404 errors 4xx/5xx are <a href="https://stackoverflow.com/a/33355142/860099">not throwing</a> at all but we can read response status which contains code)
Old school approach - xhr
let photo = document.getElementById("image-file").files[0]; // file from input
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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
What are differences between these commands in C#
8 Answers
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ImportError: No module named MySQLdb
...utorial to make a login page for my web application.
http://code.tutsplus.com/tutorials/intro-to-flask-signing-in-and-out--net-29982
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How to change background color in android app
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On EC2: sudo node command not found, but node without sudo is ok
... variable and how it is used to find which binary to execute for any given command. The ln command just links a second name to the same file.
– Michael Dillon
Dec 27 '13 at 8:01
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Calling startActivity() from outside of an Activity?
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What is meant by Resource Acquisition is Initialization (RAII)?
...erty of this is that it makes for greater exception-safety. For instance, compare this:
RawResourceHandle* handle=createNewResource();
handle->performInvalidOperation(); // Oops, throws exception
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deleteResource(handle); // oh dear, never gets called so the resource leaks
With the RAII on...