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When should one use HTML entities?

... entities. Some libraries do not play along nice with utf-8. For instance, PHP in some Linux distributions dropped full support for utf-8 in their regular expression libraries. It is harder to limit the number of characters in a text that uses html entities, because a single entity uses many charact...
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What are all the uses of an underscore in Scala?

...s taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated. ...
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Django: Get list of model fields?

...s which (ultimately) inherits from models.Model . I want to get a list of all the fields defined for this model. For example, phone_number = CharField(max_length=20) . Basically, I want to retrieve anything that inherits from the Field class. ...
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Why aren't superclass __init__ methods automatically invoked?

...thon designers decide that subclasses' __init__() methods don't automatically call the __init__() methods of their superclasses, as in some other languages? Is the Pythonic and recommended idiom really like the following? ...
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MPICH vs OpenMPI

...xtensive optimizations that make it the preferred implementation in nearly all cases. Feature Support from the Latest MPI Standard An orthogonal axis to hardware/platform support is coverage of the MPI standard. Here MPICH is usually far and away superior. MPICH has been the first implementation...
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What are the differences between NP, NP-Complete and NP-Hard?

... the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions. Decision problem: A problem with a yes or no answer. Now, let us define those complexity classes. P P is a complexity class that repres...
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Calling parent class __init__ with multiple inheritance, what's the right way?

...ing super() leads to greater flexibility for subclasses. In the direct call approach, C.__init__ can call both A.__init__ and B.__init__. When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call supe...
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How to create REST URLs without verbs?

I'm struggling to determine how to design restful URLs. I'm all for the restful approach of using URLs with nouns and not verbs don't understand how to do this. ...
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Send POST data using XMLHttpRequest

...s on how to do this. var http = new XMLHttpRequest(); var url = 'get_data.php'; var params = 'orem=ipsum&name=binny'; http.open('POST', url, true); //Send the proper header information along with the request http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded'); http.onre...
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Best way to organize jQuery/JavaScript code (2013) [closed]

...not up to date. I have over 2000 lines of code in a single file, and as we all know this is bad practice, especially when i'm looking through code or adding new features. I want to better organize my code, for now and for the future. ...