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Pandas: Looking up the list of sheets in an excel file
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You can still use the ExcelFile class (and the sheet_names attribute):
xl = pd.ExcelFile('foo.xls')
xl.sheet_names # see all sheet names
xl.parse(sheet_name) # read a specific sheet to DataFrame
see docs for parse for more...
Callback when CSS3 transition finishes
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For transitions you can use the following to detect the end of a transition via jQuery:
$("#someSelector").bind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd", function(){ ... });
Mozilla has an excellent reference:
https...
What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0
...n how to manage SmtpClient now that it is disposable, especially if I make calls using SendAsync. Presumably I should not call Dispose until SendAsync completes. But should I ever call it (e.g., using "using"). The scenario is a WCF service which mails out email periodically when calls are made. ...
How to find duplicates in 2 columns not 1
... MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value.
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Android - Set fragment id
How can I set a Fragment 's Id so that I can use getSupportFragmentManager().findFragmentById(R.id.--) ?
7 Answers
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C/C++ Struct vs Class
...shing my C++ class it seemed to me the structs/classes are virtually identical except with a few minor differences.
6 Answe...
Are there any style options for the HTML5 Date picker?
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::-webkit-datetime-edit-year-field
::-webkit-inner-spin-button
::-webkit-calendar-picker-indicator
So if you thought the date input could use more spacing and a ridiculous color scheme you could add the following:
::-webkit-datetime-edit { padding: 1em; }
::-webkit-datetime-edit-fields-wra...
Loading Backbone and Underscore using RequireJS
...kbone and Underscore, it seems kind of tricky. For one, Underscore automatically registers itself as a module, but Backbone assumes Underscore is available globally. I should also note that Backbone doesn't seem to register itself as a module which makes it kind of inconsistent with the other libs. ...
Django filter queryset __in for *every* item in list
...s suggested by jpic and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories.
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What database does Google use?
...stem (built by Google) for managing structured data
that is designed to scale to a very
large size: petabytes of data across
thousands of commodity servers.
Many projects at Google store data in
Bigtable, including web indexing,
Google Earth, and Google Finance.
These applications p...