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What is the difference between a generative and a discriminative algorithm?

...|x) - which you should read as "the probability of y given x". Here's a really simple example. Suppose you have the following data in the form (x,y): (1,0), (1,0), (2,0), (2, 1) p(x,y) is y=0 y=1 ----------- x=1 | 1/2 0 x=2 | 1/4 1/4 p(y|x) is y=0 y=1 -----------...
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How to make a in Bootstrap look like a normal link in nav-tabs?

...around them which messes up the layout. BUT you can fix that by adding a small amount of CSS (see @mcNux answer below) – Martin CR Feb 22 at 17:21 ...
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What's invokedynamic and how do I use it?

I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better? ...
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How do I sort an array of hashes by a value in the hash?

... Actually, Array#sort_by! is new in Ruby 1.9.2. Available today to all Ruby version by requiring my backports gem too :-) – Marc-André Lafortune Jul 1 '10 at 4:19 ...
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How do I launch the Android emulator from the command line?

...h it, but you don't have any AVDs created and have to use command line for all the actions. You have to do the following. Create a new virtual device (AVD) for the platform you need. If you have to use command line for creating your AVD, you can call android create avd -n <name> -t <targe...
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What is the use of making constructor private in a class?

...ared public, others private. For reducing code size, public constructors 'call' private constructors which in turn do all the work. Your public constructors are thus called delegating constructors: class MyClass { public: MyClass() : MyClass(2010, 1, 1) { } private: MyClass(int theYear, int th...
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Caveats of select/poll vs. epoll reactors in Twisted

...ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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How to Set Variables in a Laravel Blade Template

...ise within the view). I don't want to build the title in each controller call, I just want to send the view the page number - just in case some day I want to change the base title. I'm using <?php $title = ... ?> now, but is there a more correct way? – jdavidbakr ...
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Why should the “PIMPL” idiom be used? [duplicate]

...() to be able to use private members of CatImpl. Cat::Purr() would not be allowed such an access without a friend declaration. Because you then don't mix responsibilities: one class implements, one class forwards. share...
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Vim: Creating parent directories on save

...ries for files like ftp://* and !isdirectory will prevent expensive mkdir call. Update: sligtly better solution that also checks for non-empty buftype and uses mkdir(): function s:MkNonExDir(file, buf) if empty(getbufvar(a:buf, '&buftype')) && a:file!~#'\v^\w+\:\/' let dir=...