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How to randomize (or permute) a dataframe rowwise and columnwise?
... this method will maintain the row.names?
– tumultous_rooster
Nov 30 '13 at 1:19
Any reason for using = over the stand...
Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
... How in the world it got changed is beyond me.
– karl_
Dec 6 '12 at 18:04
1
Yeah it solved my pro...
Timing a command's execution in PowerShell
...
Yup.
Measure-Command { .\do_something.ps1 }
Note that one minor downside of Measure-Command is that you see no stdout output.
[Update, thanks to @JasonMArcher] You can fix that by piping the command output to some commandlet that writes to the hos...
How do I tell Gradle to use specific JDK version?
...
Two ways
In gradle.properties in the .gradle directory in your HOME_DIRECTORY set org.gradle.java.home=/path_to_jdk_directory
or:
In your build.gradle
compileJava.options.fork = true
compileJava.options.forkOptions.executable = '/path_to_javac'
...
The smallest difference between 2 Angles
... new formula into my code upstairs and see what becomes of it! ( thankyou ^_^ )
– Tom J Nowell
Jan 5 '10 at 17:25
1
...
Asynchronously load images with jQuery
...er.com/base64-encoder.html for image encoding.
$.ajax({
url : 'BASE64_IMAGE_REST_URL',
processData : false,
}).always(function(b64data){
$("#IMAGE_ID").attr("src", "data:image/png;base64,"+b64data);
});
Solution2:
Trick the browser to use its cache. This gives you a nice fadeIn() ...
Relative frequencies / proportions with dplyr
...
Try this:
mtcars %>%
group_by(am, gear) %>%
summarise(n = n()) %>%
mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
From the dplyr vigne...
Adding values to a C# array
...he first bit of code not be anything since value is not defined anywhere. -_-
– EasyBB
Sep 10 '15 at 3:47
1
...
Insert spaces between words on a camel-cased token [duplicate]
...
Will that create "U_S_A_" (spaces replaced by underscores) from "USA"? That is, will it append a trailing space?
– Jim Mischel
Apr 26 '11 at 21:56
...
VBA - how to conditionally skip a for loop iteration
... that you are able not use the GoTo.
If 6 - ((Int_height(Int_Column - 1) - 1) + Int_direction(e, 1)) = 7 Or (Int_Column - 1) + Int_direction(e, 0) = -1 Or (Int_Column - 1) + Int_direction(e, 0) = 7 Then
Else
If Grid((Int_Column - 1) + Int...