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Cookie overflow in rails application?

...occurs. The easiest way to solve this one is, you need change your session_store and don't use the cookie_store. You can use the active_record_store by example. Here is the steps Generate a migration that creates the session table rake db:sessions:create Run the migration rake db:migrate Mod...
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Worth switching to zsh for casual use? [closed]

...ct it with tar -xzvf bash-completion-20060301.tar.gz then copy the bash_completion/bash_completion file to /etc with sudo cp bash_completion/bash_completion /etc which will prompt you for your password. You probably will want to make a /etc/bash_completion.d directory for any additional comp...
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Can grep show only words that match search pattern?

... an explanation for what "\w*th\w*" * means, so I figured I'd post. \w is [_[:alnum:]], so this matches basically any "word" that contains 'th' (since \w doesn't include space). The * after the quoted section is a glob for which files (i.e., matching all files in this directory) ...
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Executing Batch File in C#

... This approach is not applicable when I run "pg_dump ... > dumpfile" which dumps a 27 GB database to dumpfile – Paul Oct 29 '12 at 17:28 ...
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sqlalchemy IS NOT NULL select

... column_obj != None will produce a IS NOT NULL constraint: In a column context, produces the clause a != b. If the target is None, produces a IS NOT NULL. or use isnot() (new in 0.7.9): Implement the IS NOT operator. ...
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How to get Twitter-Bootstrap navigation to show active link?

...g the same code over and over. I would recommend at least using the current_page? method to check the current controller/action, and would also move the code into a helper to avoid the code repetition. – Dustin Frazier May 9 '12 at 17:17 ...
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How can I convert an RGB image into grayscale in Python?

...ad('image.png') gray = rgb2gray(img) plt.imshow(gray, cmap=plt.get_cmap('gray'), vmin=0, vmax=1) plt.show() share | improve this answer | follow | ...
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Send and receive messages through NSNotificationCenter in Objective-C?

...your view, don't forget to send it from the main thread by calling dispatch_async: dispatch_async(dispatch_get_main_queue(),^{ [[NSNotificationCenter defaultCenter] postNotificationName:@"my_notification" object:nil]; }); ...
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What is the difference between t.belongs_to and t.references in rails?

What is the difference between t.references and t.belongs_to ? Why are we having those two different words? It seems to me they do the same thing? Tried some Google search, but find no explanation. ...
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How does HTTP file upload work?

...it your form (I've truncated the headers for brevity): POST /upload?upload_progress_id=12344 HTTP/1.1 Host: localhost:3000 Content-Length: 1325 Origin: http://localhost:3000 ... other headers ... Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryePkpFF7tjBAqx29L ------WebKitFormBou...