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jQuery UI Sortable, then write order into a database

I want to use the jQuery UI sortable function to allow users to set an order and then on change, write it to the database and update it. Can someone write an example on how this would be done? ...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

... Update for those using Python3: You can simply use conda install mysqlclient to install the libraries required to use MySQLdb as it currently exists. The following SO question was a helpful clue: Python 3 ImportError: No module named 'ConfigParser' . Installing mysqlclient will install...
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Renaming columns in pandas

...UMNS Use the df.rename() function and refer the columns to be renamed. Not all the columns have to be renamed: df = df.rename(columns={'oldName1': 'newName1', 'oldName2': 'newName2'}) # Or rename the existing DataFrame (rather than creating a copy) df.rename(columns={'oldName1': 'newName1', 'oldNam...
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JSTL in JSF2 Facelets… makes sense?

I would like to output a bit of Facelets code conditionally. 3 Answers 3 ...
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How to know if an object has an attribute in Python

...n is that, if the property is likely to be there most of the time, simply call it and either let the exception propagate, or trap it with a try/except block. This will likely be faster than hasattr. If the property is likely to not be there most of the time, or you're not sure, using hasattr will pr...
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How do I specify a single test in a file with nosetests?

I have a file called test_web.py containing a class TestWeb and many methods named like test_something(). 6 Answers ...
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How do I remove a project configuration in Visual Studio 2008?

... wish Visual Studio offered a quicker way to remove a configuration across all projects. If you have a dozen projects or so in a solution it's a pain to go through each of them and manually delete the configuration. – Stefano Ricciardi Aug 23 '11 at 9:43 ...
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Efficient evaluation of a function at every cell of a NumPy array

...t be faster than the "manual" double loop iteration and assignment through all the array elements. Especially, because it stores the result to a newly created variable (and not directly to the initial input). Thanks a lot for your reply though:) – Peter Oct 9 '...
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html select option separator

...on>First</option> </optgroup> <optgroup label="_________"> <option>Second</option> <option>Third</option> </optgroup> </select> disabled option (a bit better): <select> <option>Fir...
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How to determine height of UICollectionView with FlowLayout

...y question: I was completely searching in the wrong place, digging through all the documentation I could find on UICollectionView. The simple and easy solution lies in the underlying layout: Just call collectionViewContentSize on your myCollectionView.collectionViewLayout property and you get the h...