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What is an existential type?

...whatever type you want, I don't need to know anything about the type to do my job, I'll only refer to it opaquely as X. When someone defines an existential type ∃X they're saying: I'll use whatever type I want here; you wont know anything about the type, so you can only refer to it opaquely as X....
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How to extract the hostname portion of a URL in JavaScript

....com/v2/Products/Default.aspx , etc. How I can get value /v2, the root for my application sub.domain.com/v2 ? – Kiquenet Oct 6 '15 at 8:13 ...
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How can I temporarily disable a foreign key constraint in MySQL?

Is it possible to temporarily disable constraints in MySQL? 10 Answers 10 ...
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Visual Studio 2010 shortcut to find classes and methods?

...ndard hotkeys. For example, go to the combo box (CTRL+/) and type: >of MyClassName. As you type, intellisense will refine the options in the dropdown. In my experience, this is faster than Navigate To and doesn't bring up another dialog to deal with. Also, this combo box has a lot of other nift...
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Call int() function on every list element?

... four values will not provide useful information on scaling. That said, in my own tests (on Py2.7.12 and Py3.5.2, the latter with list() wrapping), Py2 with map won even for four element inputs, and loses by only a tiny margin on Py3; I suspect your tests were warped in favor of listcomps. ...
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Finding diff between current and last version

...EAD~2, etc. for older commits. Show just a single file via git show HEAD~2 my_file. – Florian Brucker Mar 3 '16 at 10:43 add a comment  |  ...
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Could not load file or assembly … An attempt was made to load a program with an incorrect format (Sy

... just had this error message running IIS Express in Visual Studio 2015. In my case I needed to be running the 64 bit version of IIS Express: Tools → Options → Projects and Solutions → Web Projects Check the box that says "Use the 64 bit version of IIS Express for web sites and projec...
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jQuery Event : Detect changes to the html/text of a div

...If you don't want use timer and check innerHTML you can try this event $('mydiv').bind('DOMSubtreeModified', function(){ console.log('changed'); }); More details and browser support datas are Here. Attention: in newer jQuery versions bind() is deprecated, so you should use on() instead: $('bo...
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Can anyone explain CreatedAtRoute() to me?

... edited Dec 22 '17 at 7:25 Shimmy Weitzhandler 88.9k116116 gold badges372372 silver badges585585 bronze badges answered Aug 4 '14 at 1:35 ...
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How can I count occurrences with groupBy?

...a new question, although I did highlight the aspect I didn't understand in my question. That being, the whole code snippet I added along with it. – Blank Feb 4 at 12:29 ...