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Two forward slashes in a url/src/href attribute [duplicate]

...slashes" are a common shorthand for "whatever protocol is being used right now". Best known as "protocol relative URLs", they are particularly useful when elements — such as the JS file in your example — could be loaded from either a http or a https context. By using protocol relative URLs, you ...
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Calling filter returns [duplicate]

...ar with list comprehensions and generator expressions, the above filter is now (almost) equivalent to the following in python3.x: ( x for x in data if func(x) ) As opposed to: [ x for x in data if func(x) ] in python 2.x ...
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ImportError: No module named dateutil.parser

... I don't think this is accurate. It's a third party lib which has now been ported to python3, but install is still pip3 install python-dateutil for python 3 users – beetree Feb 16 at 11:07 ...
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How to change the CHARACTER SET (and COLLATION) throughout a database?

...le (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character. ...
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table

...avoid for large data, and why := and set() were introduced to data.table. Now, with our copied newDT we can modify it by reference : newDT # a b # [1,] 1 11 # [2,] 2 200 newDT[2, b := 400] # a b # See FAQ 2.21 for why this prints newDT # [1,] 1 11 # [2,] 2 400 .Internal(in...
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Passing Data between View Controllers

...elf didFinishEnteringItem:itemToPassBack]; That's it for ViewControllerB. Now in ViewControllerA.h, tell ViewControllerA to import ViewControllerB and conform to its protocol. #import "ViewControllerB.h" @interface ViewControllerA : UIViewController <ViewControllerBDelegate> In ViewControl...
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What is the correct way to create a single-instance WPF application?

...s, it brings on a lot of overhead, and I wanted something cleaner. Knowing that I could use a mutex for this (but never having done it before) I set out to cut down my code and simplify my life. In the class of my application main I created a static named Mutex: static class Program ...
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Find if variable is divisible by 2

...iot for asking the question...which (for all the others who don't already know) is a big deal to new jQuery/Javascript developers. – sadmicrowave May 13 '10 at 11:54 6 ...
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Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?

...oken if you are not using en encrypted connection (HTTPS) allowing what's known as Man-in-the-middle attacks. Passing the access token directly in a URL param could in theory be possible but the auth sever would have to make sure the redirect URI is using HTTPS with TLS encryption and a 'trusted' S...
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When to use std::forward to forward arguments?

...nally, you need forward to turn the lvalue-turned x (because it has a name now!) back into an rvalue reference if it was one initially. You should not forward something more than once however, because that usually does not make sense: Forwarding means that you're potentially moving the argument all...