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ERROR: Error 1005: Can't create table (errno: 121)

...ly for you, and it brought me here. I quote: You will get this message if you're trying to add a constraint with a name that's already used somewhere else To check constraints use the following SQL query: SELECT constraint_name, table_name FROM information_schema.table_constrain...
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Outputting data from unit test in python

If I'm writing unit tests in python (using the unittest module), is it possible to output data from a failed test, so I can examine it to help deduce what caused the error? I am aware of the ability to create a customized message, which can carry some information, but sometimes you might deal with m...
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How to verify multiple method calls with different params

I have the following method that I wish to verify behaviour on. 7 Answers 7 ...
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Including an anchor tag in an ASP.NET MVC Html.ActionLink

...t includes an anchor tag (that is, directing the user to a page, and a specific section of the page). 7 Answers ...
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Delete all rows in an HTML table

...olution, provided of course that the JavaScript developer is allowed to modify the HTML. – Blazemonger Sep 1 '11 at 14:26 1 ...
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Best Practice to Organize Javascript Library & CSS Folder Structure [closed]

...f HTML, CSS, Images, and Javascript files. Some of those files will be specific to your application and some others can be used across multiple applications. This is a very important distinction. To do an effective grouping of your files you must start by separating general-purpose files from applic...
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How to get Visual Studio to open Resolve Conflicts window after a TFS Get

When I do a Get Latest in Visual Studio, if there are conflicts, there is nothing that is displayed to me to make it obvious. Invariably I think everything is OK, do a build, and often the build works. ...
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Can someone explain collection_select to me in clear, simple terms?

...ll be: <select name="post[author_id]">... # then you should specify some collection or array of rows. # It can be Author.where(..).order(..) or something like that. # In your example it is: Author.all, # then you should specify methods for generating options :id, # ...
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Getting “The JSON request was too large to be deserialized”

...et:MaxJsonDeserializerMembers" value="150000" /> </appSettings> If those options are not working you could try creating a custom json value provider factory using JSON.NET as specified in this thread. share ...
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float64 with pandas to_csv

...to_csv to hide it: df.to_csv('pandasfile.csv', float_format='%.3f') or, if you don't want 0.0001 to be rounded to zero: df.to_csv('pandasfile.csv', float_format='%g') will give you: Bob,0.085 Alice,0.005 in your output file. For an explanation of %g, see Format Specification Mini-Language....