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sed: print only matching group
...rab the last two numbers (one int, one float; followed by optional whitespace) and print only them.
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How Pony (ORM) does its tricks?
Pony ORM does the nice trick of converting a generator expression into SQL. Example:
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Why is this F# code so slow?
A Levenshtein implementation in C# and F#. The C# version is 10 times faster for two strings of about 1500 chars. C#: 69 ms, F# 867 ms. Why? As far as I can tell, they do the exact same thing? Doesn't matter if it is a Release or a Debug build.
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How do I view the list of functions a Linux shared library is exporting?
I want to view the exported functions of a shared library on Linux.
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Numpy how to iterate over columns of array?
Suppose I have and m x n array. I want to pass each column of this array to a function to perform some operation on the entire column. How do I iterate over the columns of the array?
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Is there an equivalent to e.PageX position for 'touchstart' event as there is for click event?
I'm trying to get the X position with jQuery of a touchstart event, used with the live function?
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Objective-C - Remove last character from string
In Objective-C for iOS, how would I remove the last character of a string using a button action?
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Cassandra port usage - how are the ports used?
When experimenting with Cassandra I've observed that Cassandra listens to the following ports:
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Why does one hot encoding improve machine learning performance?
I have noticed that when One Hot encoding is used on a particular data set (a matrix) and used as training data for learning algorithms, it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance...
Enable 'xp_cmdshell' SQL Server
I want to execute EXEC master..xp_cmdshell @bcpquery
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