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Why do we need boxing and unboxing in C#?

...e type). Think of it like this. You have a variable o of type object. And now you have an int and you want to put it into o. o is a reference to something somewhere, and the int is emphatically not a reference to something somewhere (after all, it's just a number). So, what you do is this: you make...
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PyLint, PyChecker or PyFlakes? [closed]

...dy, but I like it ;-) Cons of PyLint: Some rules are really strict. I know that you can change it and that the default is to match PEP8, but is it such a crime to write 'for x in seq'? Apparently yes because you can't write a variable name with less than 3 letters. I will change that. Very very ...
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Difference between classification and clustering in data mining? [closed]

...neral, in classification you have a set of predefined classes and want to know which class a new object belongs to. Clustering tries to group a set of objects and find whether there is some relationship between the objects. In the context of machine learning, classification is supervised learning ...
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How to correctly save instance state of Fragments in back stack?

...e also been coding my apps with this expected behavior for quite some time now. – Ricardo Mar 28 '15 at 23:32 1 ...
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What does enumerable mean?

...d Jul 27 '13 at 2:47 Jonathan LonowskiJonathan Lonowski 108k3131 gold badges188188 silver badges191191 bronze badges ...
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Nexus 7 not visible over USB via “adb devices” from Windows 7 x64

...t was only the above (changing to PTP) that enabled my Nexus 7 to show up. Now on to adding support for my apps for tablets - Thanks so much! – Robbe Aug 31 '12 at 18:18 6 ...
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Who is calling the Java Thread interrupt() method if I'm not?

...ly should not call System.exit(). (Your application does not necessarily know why it was interrupted, and it certainly does not know if there are other threads that need to be interrupted by the framework.) On the other hand, if your code is not designed to run under the control of some framewor...
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How do I set up NSZombieEnabled in Xcode 4?

...orting. A typical case is when you over-release an object and you don't know which one: With zombies: -[UITableView release]: message sent to deallocated instance Without zombies: This Xcode setting is ignored when you archive the application for App Store submission. You don't need to to...
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What's the best Django search app? [closed]

...at this point. Maybe they will fix it in the future but its in a bad place now. – Aaron Schif Jul 31 '13 at 15:21 I ag...
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How to “log in” to a website using Python's Requests module?

... I know you've found another solution, but for those like me who find this question, looking for the same thing, it can be achieved with requests as follows: Firstly, as Marcus did, check the source of the login form to get thre...