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Understanding Magento Block and Block Type
...ely used in layout.
core/template: This block renders a template defined by its template attribute. The majority of blocks defined in the layout are of type or subtype of core/template.
page/html: This is a subtype of core/template and defines the root block. All other blocks are child blocks...
Comparing two dataframes and getting the differences
... pd.concat([df1, df2])
>>> df = df.reset_index(drop=True)
group by
>>> df_gpby = df.groupby(list(df.columns))
get index of unique records
>>> idx = [x[0] for x in df_gpby.groups.values() if len(x) == 1]
filter
>>> df.reindex(idx)
Date Fruit ...
Django REST framework: non-model serializer
...x it can return JSON and XML to the API consumer. You can also enable YAML by just installing the required python module. Django-rest-framework will output any basic object like dict, list and tuple without any extra work on your part.
So basically you only have to create the function or class that...
Why does the arrow (->) operator in C exist?
... ( -> ) in C is used to access a member of a struct which is referenced by the pointer in question.
3 Answers
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Loading cross-domain endpoint with AJAX
...ts with jQuery.ajax
Heads up!
The best way to overcome this problem, is by creating your own proxy in the back-end, so that your proxy will point to the services in other domains, because in the back-end not exists the same origin policy restriction. But if you can't do that in back-end, then pay...
Why should I use Deque over Stack?
...rate etc - and that's it. There's deliberately no way to access an element by position, which Stack exposes because it's a subclass of Vector.
Oh, and also Stack has no interface, so if you know you need Stack operations you end up committing to a specific concrete class, which isn't usually a good...
RESTful web service - how to authenticate requests from other services?
I am designing a RESTful web service that needs to be accessed by users, but also other web services and applications. All of the incoming requests need to be authenticated. All communication takes place over HTTPS. User authentication is going to work based on an authentication token, acquired by P...
Android Camera : data intent returns null
...ent and the picture is in the URI that you passed in.
You can verify this by looking at the camera app's source code on GitHub:
https://github.com/android/platform_packages_apps_camera/blob/gingerbread-release/src/com/android/camera/Camera.java#L1186
Bundle newExtras = new Bundle();
if (mCropVal...
Oracle SQL Developer multiple table views
...
You can pin a tab by clicking the button below :
No need to configure anything, plus sometimes you don't want to have a tab automatically pinned.
share
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Should the hash code of null always be zero, in .NET
...equivalent to null, or simply don't use nullable enums.
Interesting find, by the way.
Another problem I see with this generally is that the hash code cannot represent a 4 byte or larger type that is nullable without at least one collision (more as the type size increases). For example, the hash co...