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str.startswith with a list of strings to test for
I'm trying to avoid using so many if statements and comparisons and simply use a list, but not sure how to use it with str.startswith :
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How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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How to get a dependency tree for an artifact?
dependency:tree can be used to see the dependency tree for a given project. But what I need is to see the dependency tree for a 3rd party artifact.
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Ruby max integer
I need to be able to determine a systems maximum integer in Ruby. Anybody know how, or if it's possible?
6 Answers
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Reload .profile in bash shell script (in unix)?
I'm new to bash shell scripting, and have come across a challenge. I know I can reload my ".profile" file by just doing:
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CSS z-index paradox flower
I would like to create a paradoxical effect via the z-index CSS property.
6 Answers
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In Jinja2, how do you test if a variable is undefined?
Converting from Django, I'm used to doing something like this:
6 Answers
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Increment a value in Postgres
I'm a little new to postgres. I want to take a value (which is an integer) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total t...
Implementing slicing in __getitem__
I am trying to implement slice functionality for a class I am making that creates a vector representation.
5 Answers
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How to save a data.frame in R?
I made a data.frame in R that is not very big, but it takes quite some time to build. I would to save it as a file, which I can than again open in R?
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