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Determining if a number is either a multiple of ten or within a particular set of ranges
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+1 for the Edit, it gets into the why of the list of ranges and presents it in a readable manner. IMO, one step up would be to wrap the getRow(num) % 2 == 0 in a function as well to make it crystal clear what the intent is. bool inEvenRow(int num){ return getRow(num) % 2 ==0;}
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Switch statement for greater-than/less-than
...switch-immediate 2.0 1.1 2.0 1.0 2.8 1.3
switch-range 38.1 10.6 2.6 7.3 20.9 10.4
switch-range2 31.9 8.3 2.0 4.5 9.5 6.9
switch-indirect-array 35.2 9.6 4.2 5.5 10.7 8.6
array-linear-switch 3.6 ...
The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value
...ninitialized DateTime, which is set to 0001-01-01, which is outside of the range of SQL Server's DATETIME.
Rather than using ApplyPropertyChanges, I'd suggest retrieving the object being modified, change the specific fields your form edits, then saving the object with those modifications; that way,...
Rails ActiveRecord date between
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Wouldn't this create a huge range object?
– Kasper Grubbe
Oct 14 '13 at 10:12
3
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How to create the most compact mapping n → isprime(n) up to a limit N?
...ithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant.
Just an example of what I am looking for: I could represent every odd number with one bit e.g. for the given range of numbers (1, 10], starts at 3: 1110
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Postgresql query between date ranges
...for every single row in the table (a scan) and not using index to find the range of rows that will match (a range-seek).
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Get the first item from an iterable that matches a condition
...rst( (1,2,3), condition=lambda x: x % 2 == 0)
2
>>> first(range(3, 100))
3
>>> first( () )
Traceback (most recent call last):
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StopIteration
"""
return next(x for x in iterable if condition(x))
Version with default argument
@zorf suggested...
How to generate a random number between a and b in Ruby?
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UPDATE: Ruby 1.9.3 Kernel#rand also accepts ranges
rand(a..b)
http://www.rubyinside.com/ruby-1-9-3-introduction-and-changes-5428.html
Converting to array may be too expensive, and it's unnecessary.
(a..b).to_a.sample
Or
[*a..b].sample
Array#sample
Stan...
How should one go about choosing a default TCP/IP port for a new service?
...rare) port conflicts? Perhaps it is safer to use a port in the registered range that is unassigned or assigned to an obscure app.
– Kevin Wong
Sep 25 '08 at 15:21
4
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Accessing items in an collections.OrderedDict by index
... from indexed import IndexedOrderedDict
In [3]: id=IndexedOrderedDict(zip(arange(1000),random.random(1000)))
In [4]: timeit id.keys()[56]
1000000 loops, best of 3: 969 ns per loop
In [8]: from collections import OrderedDict
In [9]: od=OrderedDict(zip(arange(1000),random.random(1000)))
In [10]: time...