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What are the differences between the urllib, urllib2, urllib3 and requests module?

...ython, what are the differences between the urllib , urllib2 , urllib3 and requests modules? Why are there three? They seem to do the same thing... ...
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What is the relation between BLAS, LAPACK and ATLAS

I don't understand how BLAS, LAPACK and ATLAS are related and how I should use them together! I have been looking through all of their manuals and I have a general idea of BLAS and LAPACK and how to use them with the very few examples I find, but I can't find any actual examples using ATLAS to see h...
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Multiple Inheritance in PHP

... take care about rendering output. Instead, you could split responsibility and use MessageDispatcher that sends the Message passed using text or html backend. I don't know your code, but let me simulate it this way: $m = new Message(); $m->type = 'text/html'; $m->from = 'John Doe <jdoe@yah...
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How to build jars from IntelliJ properly?

I have a project that contains a single module, and some dependencies. I'd like to create a jar, in a separate directory, that contains the compiled module. In addition, I'd like to have the dependencies present beside my module. ...
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Unable to open project… cannot be opened because the project file cannot be parsed

...ile to create an iPhone app. Today when my battery was low, I was working and constantly saving my source files then the power went out... ...
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Coding Conventions - Naming Enums

... Enums are classes and should follow the conventions for classes. Instances of an enum are constants and should follow the conventions for constants. So enum Fruit {APPLE, ORANGE, BANANA, PEAR}; There is no reason for writing FruitEnum any ...
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Is asynchronous jdbc call possible?

... I don't understand how any of the proposed approaches that wrap JDBC calls in Actors, executors or anything else can help here - can someone clarify. Surely the basic problem is that the JDBC operations block on socket IO. When it does thi...
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A KeyValuePair in Java [duplicate]

... The class AbstractMap.SimpleEntry is generic and can be useful. share | improve this answer | follow | ...
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How do I build a graphical user interface in C++? [closed]

All of my C++ programs so far have been using the command line interface and the only other language I have experience with is PHP which doesn't support GUIs. ...
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Can I use multiple versions of jQuery on the same page?

...f jQuery to a different alias). How the customer is using jQuery will vary and is outside of my control. Can I safely just use the latter half, or do both libraries need to call noConflict()? – Bungle Oct 14 '09 at 15:05 ...