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Turn a string into a valid filename?
...empts to find good substitutes first (via the NFKD normalization), so é becomes e, a superscript 1 becomes a normal 1, etc. Thanks
– Michael Scott Cuthbert
Nov 8 '12 at 2:13
48
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Understanding the Rails Authenticity Token
...m. When the user submits the form, Rails looks for the authenticity_token, compares it to the one stored in the session, and if they match the request is allowed to continue.
Why it happens
Since the authenticity token is stored in the session, the client cannot know its value. This prevents peopl...
Redis: Show database size/size for keys
...multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that give me more information when monitoring the redis server would be appreciated.
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How to amend several commits in Git to change author
I have made a series of commits in Git and I realise now that I forgot to set my user name and user email properties correctly (new machine). I have not yet pushed these commits to my repository, so how can I correct these commits before I do so (only the 3 latest commits on the master branch)?
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Run Java Code Online [closed]
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there is also http://ideone.com/ (supports many languages)
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Importing CommonCrypto in a Swift framework
How do you import CommonCrypto in a Swift framework for iOS?
16 Answers
16
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Alternative for PHP_excel
...age), but it's a lot easier to work with than XLS or XLSX.
http://github.com/elidickinson/php-export-data
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How to implement a ViewPager with different Fragments / Layouts
...r with multiple Fragments and Layout files - How To
The following is a complete example of how to implement a ViewPager
with different fragment Types and different layout files.
In this case, I have 3 Fragment classes, and a different layout file for each class. In order to keep things simpl...
Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
I'm attempting to deploy my code to heroku with the following command line:
34 Answers
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Spring mvc @PathVariable
...ose you want to write a url to fetch some order, you can say
www.mydomain.com/order/123
where 123 is orderId.
So now the url you will use in spring mvc controller would look like
/order/{orderId}
Now order id can be declared a path variable
@RequestMapping(value = " /order/{orderId}", method...