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Standardize data columns in R
...
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 3.318092 13.04672
4 29.53086 3.079992...
Read file data without saving it in Flask
... quick example: file = request.files.get('file') filetype = magic.from_buffer(file.read(1024))
– endolith
Dec 26 '14 at 20:00
7
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Redirecting Output from within Batch file
...olution offered by @dbenham. So for example, this:
@echo off
> filename_prefix-%DATE:~-4%-%DATE:~4,2%-%DATE:~7,2%_%time:~0,2%%time:~3,2%%time:~6,2%.log (
echo Your Name Here
echo Beginning Date/Time: %DATE:~-4%-%DATE:~4,2%-%DATE:~7,2%_%time:~0,2%%time:~3,2%%time:~6,2%.log
REM do some stuff here
...
Strip spaces/tabs/newlines - python
...emove such that a single line solution would be gratuitously long:
removal_list = [' ', '\t', '\n']
for s in removal_list:
myString = myString.replace(s, '')
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How to set -source 1.7 in Android Studio and Gradle
... }
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_7
targetCompatibility JavaVersion.VERSION_1_7
}
}
Gradle 1.7+, Android gradle plugin 0.6.+ are required.
Note, that only try with resources require minSdkVersion 19. Other features works on previous platform...
Automatically add newline at end of curl response body
...ther with some text and an
ending newline:
curl -w 'We downloaded %{size_download} bytes\n' www.download.com
So try adding the following to your ~/.curlrc file:
-w "\n"
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How to unit test a Node.js module that requires other modules and how to mock the global require fun
...ll of your code is going to get the same object back when you require('some_module'), because all of your code shares the same node_modules dir. Second, the article is conflating namespace with singletons, which is sort of orthogonal. Third, that article is pretty darn old (as far as node.js is co...
NSAttributedString add text alignment
...alignment;
CTParagraphStyleSetting settings[1] = {alignmentSetting};
size_t settingsCount = 1;
CTParagraphStyleRef paragraphRef = CTParagraphStyleCreate(settings, settingsCount);
NSDictionary *attributes = @{(__bridge id)kCTParagraphStyleAttributeName : (__bridge id)paragraphRef};
NSAttributedStri...
Vagrant error : Failed to mount folders in Linux guest
...lugin can cause an almost identical issue if you let it config.vbguest.auto_update = true (default) github.com/dotless-de/vagrant-vbguest/issues/141
– KCD
Jun 24 '15 at 21:53
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Recent file history in Vim?
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:e #<1 opens last file, see :h c_#<.
– Hotschke
Dec 15 '15 at 16:42
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