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Using Rails 3.1, where do you put your “page specific” JavaScript code?

To my understanding, all of your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file. ...
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Android destroying activities, killing processes

Hi I'm wondering how Android is managing memory and I can't find precise answer anywhere. Let's assume I have an application with 5 activities on current activity stack (4 are stopped and 1 is resumed), there is no service connected. I press HOME button so that all of my activities are stopped. I st...
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How do I rename all files to lowercase?

... If you're comfortable with the terminal: Open Terminal.app, type cd and then drag and drop the Folder containing the files to be renamed into the window. To confirm you're in the correct directory, type ls and hit enter. Paste this code and hit enter: for f in *; do mv "$f" "$f.tmp"; mv "$f....
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SQL NVARCHAR and VARCHAR Limits

...tring containing the dynamic SQL is growing over 4000 chars. Now, I understand that there is a 4000 max set for NVARCHAR(MAX) , but looking at the executed SQL in Server Profiler for the statement ...
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Which maven dependencies to include for spring 3.0?

I am trying to do my first project with Spring 3.0 (and maven). I have been using Spring 2.5 (and primer versions) in quite some projects. Nevertheless I am kinda confused, what modules I have to define as dependencies in my pom.xml. I just want to use the core container functions (beans, core, cont...
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How do I measure time elapsed in Java? [duplicate]

...answers posted so far are quite right. If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong. The purpose of nanoTime is to measure elapsed time, and the purpose of...
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Intellij IDEA Java classes not auto compiling on save

...+Shift+A on Mac) type Registry once the registry windows is open, locate and enable compiler.automake.allow.when.app.running, see here: For versions older than 12, you can use the EclipseMode plugin to make IDEA automatically compile the saved files. For more tips see the "Migrating From Eclips...
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Use jQuery to change an HTML tag?

...s many elements in as many ways... Example usage: keep existing class and attributes: $('div#change').replaceTag('<span>', true); or Discard existing class and attributes: $('div#change').replaceTag('<span class=newclass>', false); or even r...
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ComboBox: Adding Text and Value to an Item (no Binding Source)

In C# WinApp, how can I add both Text and Value to the items of my ComboBox? I did a search and usually the answers are using "Binding to a source".. but in my case I do not have a binding source ready in my program... How can I do something like this: ...
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Difference between timestamps with/without time zone in PostgreSQL

...g to the process of inserting/retrieving values. But readers should understand that both data types, timestamp with time zone and timestamp without time zone, in Postgres do *not actually store time zone information. You can confirm this with a glance at the data type doc page: Both types takes up t...