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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
...untu ec2 instance. I was following this amazon article on page 7:
http://d36cz9buwru1tt.cloudfront.net/AWS_NoSQL_MongoDB.pdf
Mongodb path in /etc/mongodb.conf was set to /var/lib/mongodb (primary install location and working). When I changed to /data/db (EBS volume) I was getting 'errno:13 Permiss...
Get a specific bit from byte
... the fourth bit, we perform:
1 (2^0) << (4-1) == 8 (2^3)
00000001 << (4-1) == 00001000
Now you know how it's done, what's going on at the low level, and why it works.
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TFS Code Reviews - Show updated files in response to comments
...ginning to use the code review functionality built-in to VS 2012 and VS 2013 preview. Requesting the review and adding comments seem pretty straightforward. If someone adds comments requesting the code to be changed, then how does the requester make these changes and show them?
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Full Screen Theme for AppCompat
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edited Jul 25 '18 at 12:23
Krishna Raj Salim
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How to launch jQuery Fancybox on page load?
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edited Jan 20 '16 at 15:13
Michał Perłakowski
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Excel VBA App stops spontaneously with message “Code execution has been halted”
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edited Apr 30 '15 at 17:59
ZX9
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What's the simplest way to test whether a number is a power of 2 in C++?
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edited Dec 2 '15 at 3:59
jbranchaud
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Copy to clipboard in Node.js?
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chjjchjj
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“Unable to find remote helper for 'https'” during git clone
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23 Answers
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Is there a way that I can check if a data attribute exists?
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if ($("#dataTable").data('timer')) {
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}
NOTE this only returns true if the data attribu...