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Why are Python lambdas useful? [closed]
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Are you talking about lambda functions? Like
lambda m>x m>: m>x m>**2 + 2*m>x m> - 5
Those things are actually quite useful. Python supports a style of programming called functional programming where you can pass functions to other functions to do stuff. Em>x m>ample:
mult3 = filter(lambda m>x m>:...
Finding local mam>x m>ima/minima with Numpy in a 1D numpy array
Can you suggest a module function from numpy/scipy that can find local mam>x m>ima/minima in a 1D numpy array? Obviously the simplest approach ever is to have a look at the nearest neighbours, but I would like to have an accepted solution that is part of the numpy distro.
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How to break out from a ruby block?
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Use the keyword nem>x m>t. If you do not want to continue to the nem>x m>t item, use break.
When nem>x m>t is used within a block, it causes the block to em>x m>it immediately, returning control to the iterator method, which may then begin a new iteration by inv...
How to determine whether an object has a given property in JavaScript
How can I determine whether an object m>x m> has a defined property y , regardless of the value of m>x m>.y ?
7 Answers
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C# LINQ find duplicates in List
...lement in the group. In LINQ, this translates to:
var query = lst.GroupBy(m>x m> => m>x m>)
.Where(g => g.Count() > 1)
.Select(y => y.Key)
.ToList();
If you want to know how many times the elements are repeated, you can use:
var query = lst.GroupBy(m>x m> =...
How can I remove the decimal part from JavaScript number?
...n the meantime.
Another method of truncating the fractional portion with em>x m>cellent platform support is by using a bitwise operator (.e.g |0). The side-effect of using a bitwise operator on a number is it will treat its operand as a signed 32bit integer, therefore removing the fractional component. ...
python capitalize first letter only
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@Jan-PhilipGehrcke that is an em>x m>ercise for the reader. You can see in that case, s is never empty, it is always '123sa' :D
– Ali Afshar
Sep 13 '12 at 16:02
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Why does mongoose always add an s to the end of my collection name
For em>x m>ample, this code results in a collection called "datas" being created
8 Answers
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Is there a better alternative than this to 'switch on type'?
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Nem>x m>t
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When should I mock?
...nit test should test a single codepath through a single method. When the em>x m>ecution of a method passes outside of that method, into another object, and back again, you have a dependency.
When you test that code path with the actual dependency, you are not unit testing; you are integration testing...