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Apply style to only first level of td tags
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i shudder to remember a world where we had to debug for IE6. This post brought back chills..
– webfish
Jun 4 '19 at 23:47
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Rails 3 check if attribute changed
Need to check if a block of attributes has changed before update in Rails 3.
5 Answers
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Pandas: Looking up the list of sheets in an excel file
...mes
xl.parse(sheet_name) # read a specific sheet to DataFrame
see docs for parse for more options...
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How do I rename a column in a SQLite database table?
... similar question has been asked on stackoverflow previously, but it was for SQL in general, and the case of SQLite was not mentioned.
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How to Copy Contents of One Canvas to Another Canvas Locally
...in places when you actually want to have a copy of Data Url after copying. For example, when you are building a website that uses lots of image/canvas operations.
// select canvas elements
var sourceCanvas = document.getElementById("some-unique-id");
var destCanvas = document.getElement...
jQuery equivalent of getting the context of a Canvas
...jQuery exposes the actual DOM element in numeric indexes, where you can perform normal JavaScript/DOM functions.
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HTTP Basic Authentication credentials passed in URL and encryption
...the username and password be automatically SSL encrypted? Is the same true for GETs and POSTs
Yes, yes yes.
The entire communication (save for the DNS lookup if the IP for the hostname isn't already cached) is encrypted when SSL is in use.
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How do I *really* justify a horizontal menu in HTML+CSS?
You find plenty of tutorials on menu bars in HTML, but for this specific (though IMHO generic) case, I haven't found any decent solution:
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Difference between Django's annotate and aggregate methods?
...rather than your quote from the documentation. Aggregate calculates values for the entire queryset. Annotate calculates summary values for each item in the queryset.
Aggregation
>>> Book.objects.aggregate(average_price=Avg('price'))
{'average_price': 34.35}
Returns a dictionary containi...
Getting current directory in .NET web application
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Thanks. I was actually looking for HttpRuntime.BinDirectory, but that was easy to determine in the debugger, once I tried what you mentioned in your answer.
– Kent Weigel
Nov 30 '16 at 1:11
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