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Avoid trailing zeroes in printf()
I keep stumbling on the format specifiers for the printf() family of functions. What I want is to be able to print a double (or float) with a maximum given number of digits after the decimal point. If I use:
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What is a regular expression for a MAC Address?
In this format:
21 Answers
21
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Boolean Field in Oracle
Yesterday I wanted to add a boolean field to an Oracle table. However, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches
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Pandas percentage of total with groupby
This is obviously simple, but as a numpy newbe I'm getting stuck.
14 Answers
14
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How do you add swap to an EC2 instance?
I'm currently running an ec2 micro instance and i've been finding that the instance occasionally runs out of memory.
10 Ans...
How to toggle a value in Python
What is the most efficient way to toggle between 0 and 1 ?
17 Answers
17
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How do I measure execution time of a command on the Windows command line?
Is there a built-in way to measure execution time of a command on the Windows command line?
30 Answers
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How to add a new row to an empty numpy array
Using standard Python arrays, I can do the following:
6 Answers
6
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Elastic Search: how to see the indexed data
I had a problem with ElasticSearch and Rails, where some data was not indexed properly because of attr_protected. Where does Elastic Search store the indexed data? It would be useful to check if the actual indexed data is wrong.
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Multi-gradient shapes
I'd like to create a shape that's like the following image:
5 Answers
5
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