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How to express infinity in Ruby?
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188
If you use ruby 1.9.2, you can use:
>> Float::INFINITY #=> Infinity
>> 3 < F...
In-memory size of a Python structure
...t;> sys.getsizeof(sys.getsizeof)
32
>>> sys.getsizeof('this')
38
>>> sys.getsizeof('this also')
48
You could take this approach:
>>> import sys
>>> import decimal
>>>
>>> d = {
... "int": 0,
... "float": 0.0,
... "dict": dict()...
What's the simplest way to test whether a number is a power of 2 in C++?
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answered Sep 20 '08 at 14:45
AnonymousAnonymous
2,78011 gold badge1515 silver badges44 bronze badges
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Fetch first element which matches criteria
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edited Apr 8 '14 at 15:22
answered Apr 8 '14 at 14:45
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What is PEP8's E128: continuation line under-indented for visual indent?
...ust opened a file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text:
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...allows you to switch from the default ASCII to other encodings such as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Python start-up time, when Python scans the environment. It has to be called in a system-wide mo...
Get the name of the currently executing method
...ame as a string, call __method__.to_s instead.
Note: This requires Ruby 1.8.7.
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Suppress echo of command invocation in makefile?
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edited Apr 1 '12 at 18:45
answered Apr 1 '12 at 18:38
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Mockito: List Matchers with generics
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282
For Java 8 and above, it's easy:
when(mock.process(Matchers.anyList()));
For Java 7 and belo...
How to determine the longest increasing subsequence using dynamic programming?
... N)
Now let's do a real example:
Collection of integers:
2 6 3 4 1 2 9 5 8
Steps:
0. S = {} - Initialize S to the empty set
1. S = {2} - New largest LIS
2. S = {2, 6} - New largest LIS
3. S = {2, 3} - Changed 6 to 3
4. S = {2, 3, 4} - New largest LIS
5. S = {1, 3, 4} - Changed 2 to 1
6. S = {1, ...