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Equivalent of *Nix 'which' command in PowerShell?
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The very first alias I made once I started customizing my profile in PowerShell was 'which'.
New-Alias which get-command
To add this to your profile, type this:
"`nNew-Alias which get-command" | add-content $profile
The `n at th...
How to find the most recent file in a directory using .NET, and without looping?
... little extra work - just reference the System.Core.dll file from 3.5, and set it to "copy local"
– Scott Ivey
Jul 24 '09 at 21:19
8
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
...(a -> b) (b -> a -> a)
providing two functions: a getter, and a setter
get (Lens g _) = g
put (Lens _ s) = s
subject to three laws:
First, that if you put something, you can get it back out
get l (put l b a) = b
Second that getting and then setting doesn't change the answer
put l...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
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Signed integer overflow (as strictly speaking, there is no such thing as "unsigned integer overflow") means undefined behaviour. And this means anything can happen, and discussing why does it happen under the rules of C++ doesn't make sense.
C...
What's the point of map in Haskell, when there is fmap?
...point, I prefer the status quo. To me, it seems valuable that there's a subset of Haskell that corresponds roughly to Miranda. In the UK, Miranda was used as a teaching language for maths students not just computer science students. If that niche isn't already lost to a non-functional language (e.g....
Good examples of Not a Functor/Functor/Applicative/Monad?
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A good example for a type constructor which is not a functor is Set: You can't implement fmap :: (a -> b) -> f a -> f b, because without an additional constraint Ord b you can't construct f b.
share
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Confusion between factor levels and factor labels
...ut in the factor() function. A factor has only a level attribute, which is set by the labels argument in the factor() function. This is different from the concept of labels in statistical packages like SPSS, and can be confusing in the beginning.
What you do in this line of code
df$f <- factor...
Run cron job only if it isn't already running
So I'm trying to set up a cron job as a sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do wha...
Alternative timestamping services for Authenticode
...ning Script ;)
@echo off
REM create an array of timestamp servers...
set SERVERLIST=(http://timestamp.comodoca.com/authenticode http://timestamp.verisign.com/scripts/timestamp.dll http://timestamp.globalsign.com/scripts/timestamp.dll http://tsa.starfieldtech.com)
REM sign the file...
%1\signt...
What's the difference between globals(), locals(), and vars()?
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