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Pointer vs. Reference
What would be better practice when giving a function the original variable to work with:
12 Answers
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How to set commands output as a variable in a batch file
Is it possible to set a statement's output of a batch file to a variable, for example:
7 Answers
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How do I define a method which takes a lambda as a parameter in Java 8?
In Java 8, methods can be created as Lambda expressions and can be passed by reference (with a little work under the hood). There are plenty of examples online with lambdas being created and used with methods, but no examples of how to make a method taking a lambda as a parameter. What is the syntax...
Pandas - Get first row value of a given column
This seems like a ridiculously easy question... but I'm not seeing the easy answer I was expecting.
7 Answers
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Split column at delimiter in data frame [duplicate]
I would like to split one column into two within at data frame based on a delimiter. For example,
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Can I have multiple primary keys in a single table?
Can I have multiple primary keys in a single table?
12 Answers
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How does database indexing work? [closed]
Given that indexing is so important as your data set increases in size, can someone explain how indexing works at a database-agnostic level?
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How do I prevent site scraping? [closed]
I have a fairly large music website with a large artist database. I've been noticing other music sites scraping our site's data (I enter dummy Artist names here and there and then do google searches for them).
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
For example I have two dicts:
17 Answers
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When do I use a dot, arrow, or double colon to refer to members of a class in C++?
Coming from other C-derived languages (like Java or C#) to C++, it is at first very confusing that C++ has three ways to refer to members of a class: a::b , a.b , and a->b . When do I use which one of these operators?
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