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Standardize data columns in R
... y = runif(10, 3, 5),
z = runif(10, 10, 20))
dat
dat2 <- dat %>% mutate_at(c("y", "z"), ~(scale(.) %>% as.vector))
dat2
which gives me this:
> dat
x y z
1 29.75859 3.633225 14.56091
2 30.05549 3.605387 12.65187
3 30.21689 ...
ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
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It's 2016, mysql is at v14.14, and it is still broken.
– ivo Welch
Dec 18 '15 at 0:20
4
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Read file data without saving it in Flask
...ead(1024))
– endolith
Dec 26 '14 at 20:00
7
hi @user2480542. I'm running into the same problem. C...
What is the etymology of 'slug'? [closed]
...
320
The term 'slug' comes from the world of newspaper production.
It's an informal name given to a...
Repeat table headers in print mode
..., and can be disabled with break:inside: auto. See codereview.chromium.org/2021703002/#ps20001
– Alex Osborn
Oct 20 '16 at 5:28
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show 5 mor...
CSS vertical alignment text inside li
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answered Dec 20 '11 at 15:34
Asaf ChertkoffAsaf Chertkoff
1,16511 gold badge88 silver badges1111 bronze badges
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SQL Case Sensitive String Compare
...SQL Server syntax?
– onedaywhen
Oct 20 '10 at 9:24
In my case, I have 1 column in my db that is case-sensitive. I need...
How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...stated in his comment, since the new look and feel was rolled out July 18, 2013 it is possible to define any number of environment variables directly from the console:
Configuration > Software Configuration > Environment Properties
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How to convert a Bitmap to Drawable in android?
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answered Jun 11 '14 at 11:20
Cristiana ChavezCristiana Chavez
10.6k44 gold badges5050 silver badges5151 bronze badges
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How to shut down the computer from C#
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Works starting with windows XP, not available in win 2000 or lower:
This is the quickest way to do it:
Process.Start("shutdown","/s /t 0");
Otherwise use P/Invoke or WMI like others have said.
Edit: how to avoid creating a window
var psi = new ProcessStartInfo("shutdo...