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How to get the nth occurrence in a string?
I would like to get the starting position of the 2nd occurrence of ABC with something like this:
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R - Concatenate two dataframes?
Given two dataframes a and b :
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MySQL, Check if a column exists in a table with SQL
I am trying to write a query that will check if a specific table in MySQL has a specific column, and if not — create it. Otherwise do nothing. This is really an easy procedure in any enterprise-class database, yet MySQL seems to be an exception.
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Produce a random number in a range using C#
How do I go about producing random numbers within a range?
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How to change checkbox's border style in CSS?
How can I change checkbox (input) border's style? I've put border:1px solid #1e5180 upon it, but in FireFox 3.5, nothing happens!
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
What is the most efficient way to organise the following pandas Dataframe:
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break out of if and foreach
I have a foreach loop and an if statement. If a match is found i need to ultimately break out of the foreach.
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How do you generate dynamic (parameterized) unit tests in python?
I have some kind of test data and want to create a unit test for each item. My first idea was to do it like this:
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How can I implode an array while skipping empty array items?
Perl's join() ignores (skips) empty array values; PHP's implode() does not appear to.
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Accessing dict_keys element by index in Python3
I'm trying to access a dict_key's element by its index:
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