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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
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Get value from hidden field using jQuery
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answered Jun 22 '10 at 8:18
SarfrazSarfraz
345k6868 gold badges500500 silver badges556556 bronze badges
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Regexp Java for password validation
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318
Try this:
^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
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One line if-condition-assignment
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edited Jul 4 '16 at 8:48
vidstige
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answered...
How to find the JVM version from a program?
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128
System.getProperty("java.version") returns what you need.
You can also use JMX if you want:
M...
How do you split a list into evenly sized chunks?
...pprint(list(chunks(range(10, 75), 10)))
[[10, 11, 12, 13, 14, 15, 16, 17, 18, 19],
[20, 21, 22, 23, 24, 25, 26, 27, 28, 29],
[30, 31, 32, 33, 34, 35, 36, 37, 38, 39],
[40, 41, 42, 43, 44, 45, 46, 47, 48, 49],
[50, 51, 52, 53, 54, 55, 56, 57, 58, 59],
[60, 61, 62, 63, 64, 65, 66, 67, 68, 69],
[...
How to tell if a file is git tracked (by shell exit code)?
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8 Answers
8
Active
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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, ...
In Postgresql, force unique on combination of two columns
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edited Jan 8 '13 at 18:44
answered Jan 8 '13 at 18:38
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