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Comparing two dataframes and getting the differences
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This approach, df1 != df2, works only for dataframes with identical rows and columns. In fact, all dataframes axes are compared with _indexed_same method, and exception is raised if differences found, even in columns/indices order.
If I got you right, you want...
int value under 10 convert to string two digit number
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depending on what you want
Look at the MSDN article on custom numeric format strings for more options: http://msdn.microsoft.com/en-us/library/0c899ak8(VS.71).aspx
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Proper Repository Pattern Design in PHP?
...t always use the right terms when describing patterns or techniques. Sorry for that.
The Goals:
Create a complete example of a basic controller for viewing and editing Users.
All code must be fully testable and mockable.
The controller should have no idea where the data is stored (meaning it can ...
How to know if an object has an attribute in Python
Is there a way in Python to determine if an object has some attribute? For example:
14 Answers
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Change the image source on rollover using jQuery
...ver.gif", ".gif");
$(this).attr("src", src);
});
});
For those that use url image sources:
$(function() {
$("img")
.mouseover(function() {
var src = $(this).attr("src");
var regex = /_normal.svg/gi;
src = this.sr...
Using Pylint with Django
I would very much like to integrate pylint into the build process for
my python projects, but I have run into one show-stopper: One of the
error types that I find extremely useful--: E1101: *%s %r has no %r
member* --constantly reports errors when using common django fields,
for example:
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Python function global variables?
... same value. This applies to tuples, ints... If it's an instance of a list for example and you do x.append("..."), it's the global variable x that is changed, because the local one references the global one.
– jadkik94
May 14 '12 at 19:15
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What is an ORM, how does it work, and how should I use one? [closed]
Someone suggested I use an ORM for a project that I'm designing, but I'm having trouble finding information on what it is or how it works.
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How do I list loaded plugins in Vim?
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Not a VIM user myself, so forgive me if this is totally offbase. But according to what I gather from the following VIM Tips site:
" where was an option set
:scriptnames : list all plugins, _vimrcs loaded (super)
:verbose set history? ...
Uploading both data and files in one form using Ajax?
I'm using jQuery and Ajax for my forms to submit data and files but I'm not sure how to send both data and files in one form?
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