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Exception 'open failed: EACCES (Permission denied)' on Android
... in API level 19. Before API level 19, this permission is not enforced and all apps still have access to read from external storage.
– AndroidGeek
Jul 1 '15 at 8:15
1
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Add Keypair to existing EC2 instance
...asier to start a new EC2 instance and throw away the bad one, but if you really want to fix your files, here is the approach that has worked for many:
Setup
Identify the original instance (A) and volume that contains the broken root EBS volume with the files you want to view and edit.
instance_a=...
Override devise registrations controller
... If you override a Devise controller like this, make sure you copy all views from app/views/devise/registrations to app/views/registrations/ (change for whichever controller you're overriding).
– Jamie Cobbett
Mar 21 '11 at 17:29
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How to trigger the window resize event in JavaScript?
...rigger on window resize. I want to know how I can trigger the event to be called. For example, when hide a div, I want my trigger function to be called.
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Check if current directory is a Git repository
...yright (C) 2006,2007 Shawn O. Pearce <spearce@spearce.org>
# Conceptually based on gitcompletion (http://gitweb.hawaga.org.uk/).
# Distributed under the GNU General Public License, version 2.0.
if [ -d .git ]; then
echo .git;
else
git rev-parse --git-dir 2> /dev/null;
fi;
You could e...
Generate a random alphanumeric string in Cocoa
I want to call a method, pass it the length and have it generate a random alphanumeric string.
20 Answers
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Let JSON object accept bytes or let urlopen output strings
... bytes. If the resource in question is text, the character encoding is normally specified, either by the Content-Type HTTP header or by another mechanism (an RFC, HTML meta http-equiv,...).
urllib should know how to encode the bytes to a string, but it's too naïve—it's a horribly underpowered an...
How best to include other scripts?
The way you would normally include a script is with "source"
21 Answers
21
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Why are Perl 5's function prototypes bad?
...nd to expect prototypes to provide a mechanism for checking that function calls are correct: that is, that they have the right number and type of arguments. Perl's prototypes are not well-suited for this task. It's the misuse that's bad. Perl's prototypes have a singular and very different purpose:
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Converting a string to int in Groovy
...) self);
}
You can force the non-deprecated version of the method to be called using something awful like:
int num = ((CharSequence) "66").toInteger()
Personally, I much prefer:
int num = 66 as Integer
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