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What is getattr() exactly and how do I use it?

I've recently read about the getattr() function . The problem is that I still can't grasp the idea of its usage. The only thing I understand about getattr() is that getattr(li, "pop") is the same as calling li.pop . ...
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C++ Structure Initialization

Is it possible to initialize structs in C++ as indicated below 16 Answers 16 ...
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Currency formatting in Python

I am looking to format a number like 188518982.18 to £188,518,982.18 using Python. 14 Answers ...
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How to access the last value in a vector?

Suppose I have a vector that is nested in a dataframe one or two levels. Is there a quick and dirty way to access the last value, without using the length() function? Something ala PERL's $# special var? ...
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What is the difference between a URI, a URL and a URN?

People talk about URL s, URI s, and URN s as if they're different things, but they look the same to the naked eye. 31 An...
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How to Avoid Response.End() “Thread was being aborted” Exception during the Excel file download

I tried to convert my dataset into excel and download that excel .I got my required excel file.But System.Threading.ThreadAbortException was raised every excel download. How to resolve this issue ?.. Please help me... ...
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What's wrong with nullable columns in composite primary keys?

ORACLE does not permit NULL values in any of the columns that comprise a primary key. It appears that the same is true of most other "enterprise-level" systems. ...
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In Functional Programming, what is a functor?

I've come across the term 'Functor' a few times while reading various articles on functional programming, but the authors typically assume the reader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incred...
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How to split a column into two columns?

I have a data frame with one column and I'd like to split it into two columns, with one column header as ' fips' and the other 'row' ...
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How can I avoid Java code in JSP files, using JSP 2?

I'm new to Java EE and I know that something like the following three lines 31 Answers ...