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Finding the index of elements based on a condition using python list comprehension
...ross a need for this in a script/function/class. It's more for interactive testing of a class I am writing.
– Lee
Sep 1 '11 at 13:30
...
Functional programming - is immutability expensive? [closed]
...sing primitives, which may have to be boxed/unboxed. You're not trying to test the overhead of wrapping primitive objects, you're trying to test immutability.
You've chosen an algorithm where in-place operation is unusually effective (and provably so). If you want to show that there exist algorith...
Can a C# class inherit attributes from its interface?
...<T>())
yield return attribute;
}
}
Barebones NUnit test
[TestFixture]
public class GetAttributesTest
{
[AttributeUsage(AttributeTargets.All, AllowMultiple = true, Inherited = true)]
private sealed class A : Attribute
{
// default equality for Attributes i...
Paging with Oracle
...nce is an issue with the new syntax in 12c. I didn't have a copy of 18c to test if Oracle has since improved it.
Interestingly enough, my actual results were returned slightly quicker the first time I ran the queries on my table (113 million+ rows) for the new method:
New method: 0.013 seconds.
O...
Using 'return' in a Ruby block
... * 7 }
value=42
=> nil
return always returns from method, but if you test this snippet in irb you don't have method, that's why you have LocalJumpError
break returns value from block and ends its call. If your block was called by yield or .call, then break breaks from this iterator too
next re...
PHP Multidimensional Array Searching (Find key by specific value)
...n() page.
Update
Due to Vael comment I was curious, so I made a simple test to meassure the performance of the method that uses array_search and the method proposed on the accepted answer.
I created an array which contained 1000 arrays, the structure was like this (all data was randomized):
[...
python setup.py uninstall
..., but this may in some rare cases fail.
Here is real sample from my local test with package named ttr.rdstmc on MS Windows.
$ pip freeze |grep ttr
ttr.aws.s3==0.1.1dev
ttr.aws.utils.s3==0.3.0
ttr.utcutils==0.1.1dev
$ python setup.py develop
.....
.....
Finished processing dependencies for ttr.rds...
How to determine the content size of a UIWebView?
...ed is that there is no scrolling. Any suggestions?
– testing
Dec 11 '10 at 15:31
1
I found out th...
How to delete items from a dictionary while iterating over it?
...ct.keys() to a list by list(mydict.keys()) and it should work.
A simple test in the console shows you cannot modify a dictionary while iterating over it:
>>> mydict = {'one': 1, 'two': 2, 'three': 3, 'four': 4}
>>> for k, v in mydict.iteritems():
... if k == 'two':
... ...
How to determine height of UICollectionView with FlowLayout
... Ignatus, @jbandi, Chris et al, can you expand on this? When I tested with a horizontal scroll direction with a large inter-item spacing (so that the items would lay out horizontally), the collection view returned an invalid intrinsic content size (-1, -1), and collectionViewContentSize ...