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What is Haskell used for in the real world? [closed]

... to be able to easily roll back every change if some object deep in the call hierarchy decided the message is flawed? How about having a history of different states? Many housekeeping tasks made for you: deconstructing data structures (PatternMatching), storing variable bindings (LexicalScop...
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What is JSON and why would I use it?

...the official documentation, but I still haven't got to the point where I really understand what JSON is, and why I'd use it. ...
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Advantage of switch over if-else statement

... the average case) or simply build a jump-table (works without compares at all). share | improve this answer | follow | ...
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WebSockets protocol vs HTTP

...kets is better for situations that involve low-latency communication especially for low latency for client to server messages. For server to client data you can get fairly low latency using long-held connections and chunked transfer. However, this doesn't help with client to server latency which req...
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How ViewBag in ASP.NET MVC works

... properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work? 7 Answers ...
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What are all the user accounts for IIS/ASP.NET and how do they differ?

Under Windows Server 2008 with ASP.NET 4.0 installed there is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list: ...
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Do HTML WebSockets maintain an open connection for each client? Does this scale?

.../HTML requests. However, that doesn't mean WebSockets is a replacement for all uses of AJAX/HTML. Each TCP connection in itself consumes very little in terms server resources. Often setting up the connection can be expensive but maintaining an idle connection it is almost free. The first limitation...
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Storing Images in PostgreSQL

...we see that image sizes, and number of images, are growing and growing, in all applications... We need some distinction between "original image" and "processed image", like thumbnail. As Jcoby's answer says, there are two options, then, I recommend: use blob (Binary Large OBject): for original imag...
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What is the difference between HTTP_HOST and SERVER_NAME in PHP?

...T is obtained from the HTTP request header and this is what the client actually used as "target host" of the request. The SERVER_NAME is defined in server config. Which one to use depends on what you need it for. You should now however realize that the one is a client-controlled value which may thus...
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Single Page Application: advantages and disadvantages [closed]

...pages. The number of pages user downloads during visit to my web site?? really how many mails some reads when he/she opens his/her mail account. I read >50 at one go. now the structure of the mails is almost the same. if you will use a server side rendering scheme the server would then render it...