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How do you import classes in JSP?
... are violating MVC principles. Take a few hours now to read up on the MVC approach to web app development (including use of taglibs) - do some more googling on the subject, it's fascinating and will definitely help you write better apps.
If you are doing anything more complicated than a single JSP...
config.assets.compile=true in Rails production, why not?
The default Rails app installed by rails new has config.assets.compile = false in production.
7 Answers
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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
I am developing a mobile web application (for iPhone & Android) with a local database (using html5 webstorage) so my app is still usable when the user is offline.
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How to format a Java string with leading zero?
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In case you have to do it without the help of a library:
("00000000" + "Apple").substring("Apple".length())
(Works, as long as your String isn't longer than 8 chars.)
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commands not found on zsh
...sing the z Shell ( zsh ) instead of the default bash, and something wrong happen so that all commands who used to work are no longer recognized:
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Automatic post-registration user authentication
We're building a business app from the ground up in Symfony 2, and I've run into a bit of a snag with the user registration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again.
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How to var_dump variables in twig templates?
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BTW, be careful when dumping objects with relational mapping
– pleerock
Nov 4 '13 at 18:33
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Could not load file or assembly 'System.Data.SQLite'
...lable shortly ago is to use IIS Express that allows you to set the type of application pool you want to use
– Raul Vejar
Apr 30 '12 at 17:30
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Prevent user from seeing previously visited secured page after logout
...ers all those secured pages. For example, when they are all in the folder /app, then you need to specify the URL pattern of /app/*.
@WebFilter("/app/*")
Even more, you can do this job in the same Filter as where you're checking the presence of the logged-in user.
Don't forget to clear browser c...
How to visualize an XML schema? [closed]
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The open source command line java application xsdvi creates an interactive diagram in SVG format from an XML Schema Definition. The generated SVG file can be displayed by a modern web browser where the user can expand and collapse the tree by mouse clicking.
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