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Pandas aggregate count distinct
Let's say I have a log of user activity and I want to generate a report of total duration and the number of unique users per day.
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RegEx match open tags except XHTML self-contained tags
...se HTML can't be parsed by regex. Regex is not a tool that can be used to correctly parse HTML. As I have answered in HTML-and-regex questions here so many times before, the use of regex will not allow you to consume HTML. Regular expressions are a tool that is insufficiently sophisticated to unders...
What is the C# equivalent to Java's isInstance()?
I know of is and as for instanceof , but what about the reflective isInstance() method?
5 Answers
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TypeError: sequence item 0: expected string, int found
... from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using:
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What is the correct way to document a **kwargs parameter?
I'm using sphinx and the autodoc plugin to generate API documentation for my Python modules. Whilst I can see how to nicely document specific parameters, I cannot find an example of how to document a **kwargs parameter.
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is there an easy way to get the http status code in the failure block from AFHTTPClient?
...th the operation object
failure:^(AFHTTPRequestOperation *operation, NSError *error){
NSLog(@"error code %d",[operation.response statusCode]);
}];
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How can I determine the direction of a jQuery scroll event?
I'm looking for something to this effect:
25 Answers
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fork() branches more than expected?
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The fork() primitive often stretches the imagination. Until you get a feel for it, you should trace out on paper what each operation is and account for the number of processes. Don't forget that fork() creates a near-perfect cop...
How to install lxml on Ubuntu
... On Ubuntu 16.04 too zlib1g-dev is necessary. Without this I got the error /usr/bin/ld: cannot find -lz.
– Jabba
Aug 4 '16 at 16:02
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iPhone - Get Position of UIView within entire UIWindow
The position of a UIView can obviously be determined by view.center or view.frame etc. but this only returns the position of the UIView in relation to it's immediate superview.
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