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Paste multiple columns together
I have a bunch of columns in a dataframe which I want to paste together (seperated by "-") as follows:
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What is the difference between dict.items() and dict.iteritems() in Python2?
Are there any applicable differences between dict.items() and dict.iteritems() ?
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How to check if a value exists in a dictionary (python)
I have the following dictionary in python:
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Get the date (a day before current time) in Bash
How can I print the date which is a day before current time in Bash?
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Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
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Format numbers to strings in Python
I need to find out how to format numbers as strings. My code is here:
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How to convert date to timestamp in PHP?
How do I get timestamp from e.g. 22-09-2008 ?
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How can I round up the time to the nearest X minutes?
Is there a simple function for rounding UP a DateTime to the nearest 15 minutes?
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How do you match only valid roman numerals with a regular expression?
Thinking about my other problem , i decided I can't even create a regular expression that will match roman numerals (let alone a context-free grammar that will generate them)
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How to get hex color value rather than RGB value?
Using the following jQuery will get the RGB value of an element's background color:
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