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Why can I access TypeScript private members when I shouldn't be able to?
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answered Oct 3 '12 at 17:36
GuffaGuffa
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How to check if a string is a valid hex color representation?
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287
/^#[0-9A-F]{6}$/i.test('#AABBCC')
To elaborate:
^ -> match beginning
# ...
u'\ufeff' in Python string
... using the right codec, Python will remove it for you. Examples:
#!python2
#coding: utf8
u = u'ABC'
e8 = u.encode('utf-8') # encode without BOM
e8s = u.encode('utf-8-sig') # encode with BOM
e16 = u.encode('utf-16') # encode with BOM
e16le = u.encode('utf-16le') # encode without BOM
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How do I get the color from a hexadecimal color code using .NET?
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answered Jan 21 '10 at 14:32
ThorarinThorarin
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How can I enable or disable the GPS programmatically on Android?
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162
the GPS can be toggled by exploiting a bug in the power manager widget. see this xda thread for ...
Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use
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How to include a Font Awesome icon in React's render()
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BrigandBrigand
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performing HTTP requests with cURL (using PROXY)
I have this proxy address: 125.119.175.48:8909
16 Answers
16
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Changing column names of a data frame
...X <- data.frame(bad=1:3, worse=rnorm(3))
R> X
bad worse
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
good better
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
You can also subset:
R> colnames(X)[2] <- "superduper"
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