大约有 13,071 项符合查询结果（耗时：0.0294秒） [XML]
When should I use @classmethod and when def method(self)?
While integrating a Django app I have not used before, I found two different ways used to define functions in classes. The author seems to use them both very intentionally. The first one is one I myself use a lot:
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datetime dtypes in pandas read_csv
I'm reading in a csv file with multiple datetime columns. I'd need to set the data types upon reading in the file, but datetimes appear to be a problem. For instance:
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Why can't enum's constructor access static fields?
Why can't enum's constructor access static fields and methods? This is perfectly valid with a class, but is not allowed with an enum.
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Html code as IFRAME source rather than a URL
This standard code for an IFRAME, is there a way to replace the src URL with Just html code? so my problem is simple, I have a page it loads an HTML body from MYSQL I want to present that code in a frame so it renders it self independent of the rest of the page and in the confines of that specific b...
Open Graph namespace declaration: HTML with XMLNS or head prefix?
...best implement Open Graph namespaces. Specifically, the Open Graph website uses a few different methods, and the Facebook Open Graph examples use other methods.
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Why can I create a class named “var”?
Isn't var a keyword in C#? But why can I do this:
5 Answers
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Django REST framework: non-model serializer
I am beginner in Django REST framework and need your advice. I am developing a web service. The service has to provide REST interface to other services. The REST interface, which I need to implement, is not working with my models directly (I mean the get, put, post, delete operations). Instead, it p...
Applying function with multiple arguments to create a new pandas column
I want to create a new column in a pandas data frame by applying a function to two existing columns. Following this answer I've been able to create a new column when I only need one column as an argument:
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How do sessions work in Express.js with Node.js?
Using Express.js , sessions are dead simple. I'm curious how they actually work though.
4 Answers
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Jump to matching XML tags in Vim
Vim % operator jumps to matching parentheses, comment ends and a few other things. It doesn't, however, match XML tags (or any other tag, to the best of my knowledge).
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