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Nokogiri installation fails -libxml2 is missing
...y).
The Nokogiri build test-compiles a libxml2 header file to verify that it is present, however, it doesn't differentiate between "libxml2 is missing" and "a compiler to test libxml2 is missing".
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in javascript, how can i get the last character in a string [duplicate]
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It's not going to work in Mosaic either, just an FYI ;) To be fair, the question does specify they are looking for IE6 compatibility, so a note to avoid any confusion for any JavaScript archaeologists out there is perhaps apt...
Easy idiomatic way to define Ordering for a simple case class
...dictable, lexicographical order using list.sorted , but receive "No implicit Ordering defined for ...".
6 Answers
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Outlook autocleaning my line breaks and screwing up my email format
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Start every line with 2 spaces and outlook will be "tricked" into keeping your formatting.
So change
Date of Hire: %HireDate%
Annual Salary: %AnnualIncome%
Reason for Request: %ReasonForRequest%
Name of Voluntary Employee: %FirstName% %Last...
Regular Expression For Duplicate Words
I'm a regular expression newbie, and I can't quite figure out how to write a single regular expression that would "match" any duplicate consecutive words such as:
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Get the device width in javascript
...u can get the device screen width via the screen.width property.
Sometimes it's also useful to use window.innerWidth (not typically found on mobile devices) instead of screen width when dealing with desktop browsers where the window size is often less than the device screen size.
Typically, when de...
Managing Sessions in Node.js? [closed]
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You can do that very easily using:
Connect: http://senchalabs.github.com/connect/
Connects is like Rack in Ruby. It gives you an extra layer where you can "play" with authentication, sessions, cookies, among others.
Other option is to use frameworks:
Express.js: http://expressjs.com/
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Ruby on Rails: How can I revert a migration with rake db:migrate?
...migration file you want to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
rake db:migrate:down VERSION=3846656238
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Display back button on action bar
... to display a Back button on the Action bar to move previous page/activity or to the main page (first opening).
And I can not do it.
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Maven: How to include jars, which are not available in reps into a J2EE project?
...t I've a couple of dependencies, which are not available in any Maven repository, because they're proprietary libraries. These libraries need to be available at runtime, so that have to be copied to target/.../WEB-INF/lib ...
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