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How to generate random SHA1 hash to use as ID in node.js?
I am using this line to generate a sha1 id for node.js:
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pandas: How do I split text in a column into multiple rows?
I'm working with a large csv file and the next to last column has a string of text that I want to split by a specific delimiter. I was wondering if there is a simple way to do this using pandas or python?
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How to drop a list of rows from Pandas dataframe?
I have a dataframe df :
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Why are elementwise additions much faster in separate loops than in a combined loop?
Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop.
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Shell equality operators (=, ==, -eq)
Can someone please explain the difference between = , == and -eq in shell scripting?
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How to iterate through two lists in parallel?
I have two iterables in Python, and I want to go over them in pairs:
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How do I find out if first character of a string is a number?
In Java is there a way to find out if first character of a string is a number?
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How to round a number to significant figures in Python
I need to round a float to be displayed in a UI. E.g, to one significant figure:
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pytest: assert almost equal
How to do assert almost equal with py.test for floats without resorting to something like:
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How to output only captured groups with sed?
Is there any way to tell sed to output only captured groups? For example given the input:
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