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Is there a standard sign function (signum, sgn) in C/C++?
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edited Aug 10 '19 at 14:41
Pharap
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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
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edited Jan 27 '10 at 23:56
answered Jan 26 '10 at 14:01
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How to strip all whitespace from string
... initial timings:
$ python -m timeit '"".join(" \t foo \n bar ".split())'
1000000 loops, best of 3: 1.38 usec per loop
$ python -m timeit -s 'import re' 're.sub(r"\s+", "", " \t foo \n bar ")'
100000 loops, best of 3: 15.6 usec per loop
Note the regex is cached, so it's not as slow as you'd imagi...
Sorting an IList in C#
So I came across an interesting problem today. We have a WCF web service that returns an IList. Not really a big deal until I wanted to sort it.
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Enum type constraints in C# [duplicate]
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edited Mar 30 '12 at 10:24
Eamon Nerbonne
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How to use Jackson to deserialise an array of objects
...jects = Arrays.asList(mapper.readValue(json, MyClass[].class)) works up to 10 time faster than TypeRefence.
– user1303718
Jun 5 '14 at 12:44
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python pandas remove duplicate columns
... the number of columns you can have. For me it failed for a dataframe with 100,000 rows for instance, as this yields 100,000 columns after transposing, which is not possible
– Eelco van Vliet
Mar 3 at 10:08
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How to efficiently compare two unordered lists (not sets) in Python?
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10 Answers
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What is the use of the ArraySegment class?
... // Create an ArraySegment from this array.
int[] array = { 10, 20, 30 };
ArraySegment<int> segment = new ArraySegment<int>(array, 1, 2);
// Write the array.
Console.WriteLine("-- Array --");
int[] original = segment.Array;
foreach ...
How to compare objects by multiple fields
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if you implement Comparable<Person> then the method is compareTo(Person p).. it seems that this answer was mixed up with Comparator...