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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
...ery project I've tried to create in Android Studio, all usages of R are marked in red with the error message "cannot resolve symbol R", but the compilation succeeds and the application runs. This is really annoying, as it blocks auto-completion and shows huge red waved lines all over my code.
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...e a random, unique string using numbers and letters for use in a verify link? Like when you create an account on a website, and it sends you an email with a link, and you have to click that link in order to verify your account
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Creating a Radial Menu in CSS
How do I create a menu which looks like this...
3 Answers
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Effects of the extern keyword on C functions
In C, I did not notice any effect of the extern keyword used before function declaration.
At first, I thought that when defining extern int f(); in a single file forces you to implement it outside of the file's scope. However I found out that both:
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How to fix “ImportError: No module named …” error in Python?
...ath, but rather the directory that the script is in. Add /home/bodacydo/work/project to either sys.path or $PYTHONPATH.
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Add a CSS class to
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Excellent! Thank you Srdjan. One little curiosity - I've tried using disable_with on these submit buttons but they never seem to work. Is there a reason why that you know of? +1
– sscirrus
Mar 15 '11 a...
Why are my CSS3 media queries not working?
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All three of these were helpful tips, but it looks like I needed to add a meta tag:
<meta content="width=device-width, initial-scale=1" name="viewport" />
Now it seems to work in both Android (2.2) and iPhone all right...
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Error in plot.new() : figure margins too large in R
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Gavin SimpsonGavin Simpson
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The import org.junit cannot be resolved
...r to the classpath of your application with java -cp /path/to/junit.jar. Take a look at the answers here.
Using eclipse: Eclipse distributions are bundled with this library and this is how you can use it for your project. Right click on the eclipse project and navigate:
Properties -> Java Bu...
What is the reason for performing a double fork when creating a daemon?
...n it which I am currently following, but I'm curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not why.
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