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How to convert string into float in JavaScript?
...s are numeric, and when they have a comma (ex. 554,20), I can't get the numbers after the comma. I've tried parseInt and parseFloat . How can I do this?
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How to run eclipse in clean mode? what happens if we do so?
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What it does:
if set to "true", any cached data used
by the OSGi framework and eclipse
runtime will be wiped clean. This will
clean the caches used to store bundle
dependency resolution and eclipse
extension registry data. Using this
option will force eclipse to
rei...
Make an HTTP request with android
I have searched everywhere but I couldn't find my answer, is there a way to make an simple HTTP request? I want to request an PHP page / script on one of my website but I don't want to show the webpage.
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Using node.js as a simple web server
...r. Every GET request to example.com should get index.html served to it but as a regular HTML page (i.e., same experience as when you read normal web pages).
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Annotating text on individual facet in ggplot2
...you'd do something like this:
ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text",
cyl = factor(8,levels = c("4","6","8")))
p + geom_text(data = ann_text,label = "Text")
It should work without specifying the factor variable completely, but will probably throw some warnin...
How does RewriteBase work in .htaccess
...y own words, after reading the docs and experimenting:
You can use RewriteBase to provide a base for your rewrites. Consider this
# invoke rewrite engine
RewriteEngine On
RewriteBase /~new/
# add trailing slash if missing
rewriteRule ^(([a-z0-9\-]+/)*[a-z0-9\-]+)$ $1/ [NC,R=301,L]
T...
Creating SolidColorBrush from hex color value
I want to create SolidColorBrush from Hex value such as #ffaacc. How can I do this?
6 Answers
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What is an existential type?
...icle Existential types . I gathered that they're called existential types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between
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How can I remove an element from a list?
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I don't know R at all, but a bit of creative googling led me here: http://tolstoy.newcastle.edu.au/R/help/05/04/1919.html
The key quote from there:
I do not find explicit documentation for R on how to remove elements from lists, but trial and ...
Replace a value in a data frame based on a conditional (`if`) statement
In the R data frame coded for below, I would like to replace all of the times that B
appears with b .
8 Answers
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