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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...extInt()).par
scala> timeMany(1000, intParList.reduce(_ + _))
Took 462.395867 milli seconds
scala> timeMany(1000, intParList.foldLeft(0)(_ + _))
Took 2589.363031 milli seconds
reduce vs fold
Now this is where it gets a little closer to the FP / mathematical roots, and a little trickier to...
How to change UIPickerView height
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smallerPicker = [[UIPickerView alloc] initWithFrame:CGRectMake(0.0, 0.0, 320.0, 120.0)];
You will discover that at various heights and widths, there are visual glitches. Obviously, these glitches would either need to be worked around somehow, or choose another size that doesn't exhibit them.
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How do I “git blame” a deleted line?
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edited Mar 29 '15 at 23:41
Randall Ma
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answer...
Laravel requires the Mcrypt PHP extension
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edited Dec 1 '17 at 16:38
Machavity♦
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answ...
Why does NULL = NULL evaluate to false in SQL server
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edited Dec 3 '09 at 22:58
answered Dec 3 '09 at 22:30
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How do you round UP a number in Python?
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Elaboration: math.ceil returns the smallest integer which is greater than or equal to the input value. This function treats the input as a f...
Find an item in List by LINQ?
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IEnumerable<string> results = myList.Where(s => s == search);
3) First will return the first item which matches your criteria:
string result = myList.First(s => s == search);
Note FirstOrDefault() will behave the same, except it will return null for reference types, or the default...
How to create a new branch from a tag?
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893
Wow, that was easier than I thought:
git checkout -b newbranch v1.0
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Regular expression for matching HH:MM time format
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375
Your original regular expression has flaws: it wouldn't match 04:00 for example.
This may wor...
Installing libv8 gem on OS X 10.9+
I'm trying to install libv8 3.16.14.3 but getting an error on OSX Mavericks using latest stable rvm and ruby-1.9.3-p125.
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