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How to var_dump variables in twig templates?

View layer pattern where you only present what you have been given is fine and all, but how do you know what is available? Is there a "list all defined variables" functionality in TWIG? Is there a way to dump a variable? ...
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What it the significance of the Javascript constructor property?

Trying to bend by head around Javascript's take on OO...and, like many others, running into confusion about the constructor property. In particular, the significance of the constructor property, as I can't seem to make it have any effect. E.g.: ...
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Transfer-Encoding: gzip vs. Content-Encoding: gzip

...er requests regarding that content (e.g., PUT or conditional GET) to be handled correctly. This is, of course, why performing on-the-fly content-encoding is a stupid idea, and why I added Transfer-Encoding to HTTP as the proper way to do on-the-fly encoding without changing the resource. ...
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Heavy usage of Python at Google [closed]

... about Python's prominence there (possible exceptions include Peter Norvig and Jeremy Hylton, but historically Google's choice of Python predated even them). That's definitely why I first got interested (my publisher let me know about the large amount of copies of my book that Google was purchasing...
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BackgroundWorker vs background Thread

...a form that has an infinite (while(true)) loop. In this loop I use WaitHandle.WaitAny to keep the thread snoozing until something of interest happens. One of the event handles I wait on is a " StopThread " event so that I can break out of the loop. This event is signaled when from my overridden ...
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Java Equivalent of C# async/await?

...user960567: You need to distinguish between the version of C# you're using and the version of .NET you're using. async/await is a language feature - it was introduced in C# 5. Yes, you can use Microsoft.Bcl.Async to use async/await targeting .NET 4, but you've still got to use a C# 5 compiler. ...
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iTextSharp - Sending in-memory pdf in an email attachment

...what I am doing wrong in my code. I run the code above from a ASP.Net page and get "Cannot Access a Closed Stream". 5 Answ...
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How to sum up elements of a C++ vector?

...tor.begin(); it != vector.end(); ++it) sum_of_elems += *it; Using a standard algorithm: #include <numeric> sum_of_elems = std::accumulate(vector.begin(), vector.end(), 0); Important Note: The last argument's type is used not just for the initial value, but for the type of the resu...
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Easiest way to flip a boolean value?

... it can be helpful to have a TOGGLE(a) macro. This prevents some mistakes and makes it all more readable on narrow screens. – OJW Oct 1 '10 at 12:17  |  ...
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Optional query string parameters in ASP.NET Web API

...isbn="", string somethingelse="", DateTime? date= null) { // ... } and everything will work out of the box. share | improve this answer | follow | ...