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RESTful way to create multiple items in one request

I am working on a small client server program to collect orders. I want to do this in a "REST(ful) way". 7 Answers ...
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Determine if ActiveRecord Object is New

How can I check if an ActiveRecord object is new or is already persisted? 2 Answers ...
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How does interfaces with construct signatures work?

I am having some trouble working out how defining constructors in interfaces work. I might be totally misunderstanding something. But I have searched for answers for a good while and I can not find anything related to this. ...
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What do ellipsis […] mean in a list?

...... and so on. The [...] notation is a way to let you know this, and to inform that it can't be represented! Take a look at @6502's answer to see a nice picture showing what's happening. Now, regarding the three new items after your edit: This answer seems to cover it Ignacio's link describes som...
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Dealing with multiple Python versions and PIP?

...s there any way to make pip play well with multiple versions of Python? For example, I want to use pip to explicitly install things to either my site 2.5 installation or my site 2.6 installation. ...
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HtmlString vs. MvcHtmlString

...n ASP.NET 4. MvcHtmlString was a compatibility shim added to MVC 2 to support both .NET 3.5 and .NET 4. Now that MVC 3 is .NET 4 only, it's a fairly trivial subclass of HtmlString presumably for MVC 2->3 for source compatibility. If you're ever going to drop back to MVC 2 it might make sense to...
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How to define a reply-to address?

...com', :reply_to => 'some_other_address@your_domain.com' end Or: class Contacts < ActionMailer::Base def new_contact mail( :to => 'somebody@some_domain.com', :from => 'your_app@your_domain.com', :reply_to => 'someone_else@some_other_doma...
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ruby convert array into function arguments

...guments. Is there a way to on the fly convert the array into 2 arguments? For example: 2 Answers ...
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How to convert PascalCase to pascal_case?

... Try this on for size: $tests = array( 'simpleTest' => 'simple_test', 'easy' => 'easy', 'HTML' => 'html', 'simpleXML' => 'simple_xml', 'PDFLoad' => 'pdf_load', 'startMIDDLELast' => 'start_middle_last', 'ASt...
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How to convert Milliseconds to “X mins, x seconds” in Java?

I want to record the time using System.currentTimeMillis() when a user begins something in my program. When he finishes, I will subtract the current System.currentTimeMillis() from the start variable, and I want to show them the time elapsed using a human readable format such as "XX hours, XX ...