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Tell Ruby Program to Wait some amount of time

How do you tell a Ruby program to wait an arbitrary amount of time before moving on to the next line of code? 6 Answers ...
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What is the difference between an ORM and an ODM?

I am trying to figure out what the difference is between ORM and ODM, as far as I understand the concept, ORM (Object Relational Mapper) maps the relations between data, where as ODM (Object Document Mapper) deals with documents. Am I right in assuming that mySQL is an example of ORM and MongoDB is ...
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Should URL be case sensitive?

... According to W3's "HTML and URLs" they should: There may be URLs, or parts of URLs, where case doesn't matter, but identifying these may not be easy. Users should always consider that URLs are case-sensitive. ...
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jQuery How to Get Element's Margin and Padding?

Just wondering - how using jQuery - I can get an elements formatted total padding and margin etc ? i.e. 30px 30px 30px 30px or 30px 5px 15px 30px etc ...
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getExtractedText on inactive InputConnection warning on android

...o a similar issue. My logcat: W/IInputConnectionWrapper(21214): getTextBeforeCursor on inactive InputConnection W/IInputConnectionWrapper(21214): getSelectedText on inactive InputConnection W/IInputConnectionWrapper(21214): getTextBeforeCursor on inactive InputConnection W/IInputConnectionWrapper(2...
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Best Practice: Software Versioning [closed]

Is there any guideline or standard best practice how to version a software you develop in your spare time for fun, but nevertheless will be used by some people? I think it's necessary to version such software so that you know about with version one is talking about (e.g. for bug fixing, support, and...
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How do I pipe or redirect the output of curl -v?

For some reason the output always gets printed to the terminal, regardless of whether I redirect it via 2> or > or |. Is there a way to get around this? Why is this happening? ...
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What is the use of the @Temporal annotation in Hibernate?

The Hibernate Documentation has the information below for the @Temporal annotation: 7 Answers ...
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Is if(items != null) superfluous before foreach(T item in items)?

...wever you can do something like this: List<string> items = null; foreach (var item in items ?? new List<string>()) { item.Dump(); } but you might check performance of it. So I still prefer having if (items != null) first. Based on Eric's Lippert suggestion I changed code to: ...
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Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)

Why python 2.7 doesn't include Z character (Zulu or zero offset) at the end of UTC datetime object's isoformat string unlike JavaScript? ...