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Difference between open and codecs.open in Python

...open is an alias for the open() built-in. So io.open() works in Python 2.6 and all later versions, including Python 3.4. See docs: http://docs.python.org/3.4/library/io.html Now, for the original question: when reading text (including "plain text", HTML, XML and JSON) in Python 2 you should always ...
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Is the order guaranteed for the return of keys and values from a LinkedHashMap object?

...der (insertion order). Does the Set returned by LinkedHashMap.keySet() and the Collection returned by LinkedHashMap.values() also maintain this order? ...
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Why are dashes preferred for CSS selectors / HTML attributes?

In the past I've always used underscores for defining class and id attributes in HTML. Over the last few years I changed over to dashes, mostly to align myself with the trend in the community , not necessarily because it made sense to me. ...
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map vs. hash_map in C++

I have a question with hash_map and map in C++. I understand that map is in STL, but hash_map is not a standard. What's the difference between the two? ...
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Can you explain the HttpURLConnection connection process?

... a web service. I know how to use HTTPURLConnection but I want to understand how it works. Basically, I want to know the following: ...
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Tools to search for strings inside files without indexing [closed]

...to change some connection strings in an incredibly old legacy application, and the programmers who made it thought it would be a great idea to plaster the entire app with connection strings all over the place. ...
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How to install Hibernate Tools in Eclipse?

... Well, most convenient and safest way is to use JBoss update site within Eclipse software updates (Help -> Software Updates... -> Add Site...): The latest stable release update site for JBoss Tools There you can find Hibernate tools togethe...
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What does 'const static' mean in C and C++?

I saw this in some code here on StackOverflow and I couldn't figure out what it does. Then I saw some confused answers on other forums. My best guess is that it's used in C to hide the constant foo from other modules. Is this correct? If so, why would anyone use it in a C++ context where you can j...
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What is the difference between declarative and imperative programming? [closed]

I have been searching the web looking for a definition for declarative and imperative programming that would shed some light for me. However, the language used at some of the resources that I have found is daunting - for instance at Wikipedia . Does anyone have a real-world example that they could ...
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A simple explanation of Naive Bayes Classification

I am finding it hard to understand the process of Naive Bayes, and I was wondering if someone could explain it with a simple step by step process in English. I understand it takes comparisons by times occurred as a probability, but I have no idea how the training data is related to the actual datase...