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Should unit tests be written for getter and setters?
...re also surprisingly easy to mess up. A few lines of simple tests and you know they are working and continue to work.
– Charles
Oct 13 '16 at 19:17
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How can I strip first and last double quotes?
... I'd recommend handling strings that are 2 characters or less. Right now this function can throw an index out of bounds exception for a string of length 0. Additionally, you can strip a quote from a string that is 1 character long. You could add a guard, len(s) >= 2, or something similar.
...
What does “abstract over” mean?
... (implicit ff: Foldable[F], m: Monoid[B]) =
ff.foldMap(as, f)
Now we have something quite general. The method mapReduce will fold any F[A] given that we can prove that F is foldable and that A is a monoid or can be mapped into one. For example:
case class Sum(value: Int)
case class Pro...
How can I pair socks from a pile efficiently?
...ce comparison is not required.
Case 3: The number of combinations is not known in advance (general case).
We have to do comparison to check whether two socks come in pair. Pick one of the O(n log n) comparison-based sorting algorithms.
However in real life when the number of socks is relatively s...
How do I give text or an image a transparent background using CSS?
...
@outis: Good news, #RRGGBBAA is now in Color level 4.
– BoltClock♦
Feb 26 '15 at 19:01
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How to make a JSONP request from Javascript without JQuery?
...ion which logs all items in someone's home. My application is set up and I now want to retrieve all the items in the main bedroom.
My application is on app.home.com. The apis I need to load data from are on api.home.com.
Unless the server is explicitly set up to allow it, I cannot use ajax to load t...
Why don't they teach these things in school? [closed]
...e, despite recent advancements in materials science, civil engineers have known for about 2000 years how to build an arch that won't fall over, and this is something that can be taught and learned in university with relatively little controversy. Although I completely agree with you about the techn...
Calling filter returns [duplicate]
...ar with list comprehensions and generator expressions, the above filter is now (almost) equivalent to the following in python3.x:
( x for x in data if func(x) )
As opposed to:
[ x for x in data if func(x) ]
in python 2.x
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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
... requested.
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
... now PRIu64 will work
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Which is more preferable to use: lambda functions or nested functions ('def')?
...lt;lambda>'
Lambdas are anonymous functions, after all, so they don't know their own name.
>>> l.__name__
'<lambda>'
>>> foo.__name__
'foo'
Thus lambda's can't be looked up programmatically in their namespace.
This limits certain things. For example, foo can be looked...