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How do I address unchecked cast warnings?
...d have the generic parameters <String, String>. You must know beforehand what the parameters should be (or you'll find out when you get a ClassCastException). This is why the code generates a warning, because the compiler can't possibly know whether is safe.
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
...re differences between segment trees, interval trees, binary indexed trees and range trees in terms of:
2 Answers
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Enum type constraints in C# [duplicate]
... 's? I'm sure there is a method behind the madness, but I'd like to understand why it's not possible.
6 Answers
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How to generate all permutations of a list?
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Starting with Python 2.6 (and if you're on Python 3) you have a standard-library tool for this: itertools.permutations.
import itertools
list(itertools.permutations([1, 2, 3]))
If you're using an older Python (<2.6) for some reason or are just...
How do I set a variable to the output of a command in Bash?
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In addition to backticks `command`, command substitution can be done with $(command) or "$(command)", which I find easier to read, and allows for nesting.
OUTPUT=$(ls -1)
echo "${OUTPUT}"
MULTILINE=$(ls \
-1)
echo "${MULTILINE}"
Quoting (") does ma...
How to build query string with Javascript
...wondering if there is anything built-in to Javascript that can take a Form and return the query parameters, eg: "var1=value&var2=value2&arr[]=foo&arr[]=bar..."
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Algorithms based on number base systems? [closed]
...erical Representations": essentially, take some representation of a number and convert it into a data structure. To give a flavor, here are the sections of that chapter:
Positional Number Systems
Binary Numbers (Binary Random-Access Lists, Zeroless Representations, Lazy Representations, Segmented ...
python: how to send mail with TO, CC and BCC?
...esting purposes to populate few hundred email boxes with various messages, and was going to use smtplib for that. But among other things I need to be able to send messages not only TO specific mailboxes, but CC and BCC them as well. It does not look like smtplib supports CC-ing and BCC-ing while...
Code snippet or shortcut to create a constructor in Visual Studio
...nly shows the intellisense box, then I have to type Tab once to close that and once to "use" the snippet), but might be some setting somewhere...
– Hans Olsson
Oct 6 '10 at 16:02
1...
Vim users, where do you rest your right hand? [closed]
... think that jkl; is actually the more appropriate usage for vi. For one, h and l really don't matter that much. w, e, and b are significantly more useful for horizontal navigation. As a bonus, ; is easy to get at if the language requires it. Having a weaker finger on k hurts, and you don't need your...