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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...
library not found for -lPods
...ace file, not the .xcodeproj. This way in addition to your project, Xcode knows about the project in the Pods/ directory and how to build libPods.a.
– Jonathan Tran
Jul 8 '13 at 0:59
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Gulps gulp.watch not triggered for new or deleted files?
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Edit: Apparently gulp.watch does work with new or deleted files now. It did not when the question was asked.
The rest of my answer still stands: gulp-watch is usually a better solution because it lets you perform specific actions only on the files that have been modified, while gulp.wat...
Setting the MySQL root user password on OS X
...de server and start your regular server back. The new password should work now. Worked like a charm for me :)
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pip installing in global site-packages instead of virtualenv
...anged it, activated the virtualenv and installed the Markdown package. Pip now installs in the virtualenv site-packages folder instead of the global one.
– ƘɌỈSƬƠƑ
Jan 6 '14 at 22:45
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Android: Vertical ViewPager [closed]
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@Brett I was using your solution. but now I am getting the swipping issue in andorid pie devices. Has any one facing same issue?
– Jishant
Jan 3 '19 at 10:38
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How to run a function when the page is loaded?
...pted some great functions since the release of jQuery. All modern browsers now have their own DOM ready function without the use of a jQuery library.
I'd recommend this if you use native Javascript.
document.addEventListener('DOMContentLoaded', function() {
alert("Ready!");
}, false);
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How to store a dataframe using Pandas
Right now I'm importing a fairly large CSV as a dataframe every time I run the script. Is there a good solution for keeping that dataframe constantly available in between runs so I don't have to spend all that time waiting for the script to run?
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How to avoid using Select in Excel VBA
...kbook.Worksheets("SomeSheet").Range("A1:A10000")
dat = rng.Value ' dat is now array (1 to 10000, 1 to 1)
for i = LBound(dat, 1) to UBound(dat, 1)
dat(i,1) = dat(i,1) * 10 'or whatever operation you need to perform
next
rng.Value = dat ' put new values back on sheet
This is a small taster for ...
MVC Razor view nested foreach's model
...his view TModel
will always be of the type ViewModels.MyViewModels.Theme.
Now, the next argument is a bit tricky. So lets look at an invocation
@Html.TextBoxFor(model=>model.SomeProperty);
It looks like we have a little lambda, And if one were to guess the signature, one might think that the ...