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What is the difference between Factory and Strategy patterns?
... For example, you may have a factory that creates your business objects. It may use different strategies based on the persistence medium. If your data is stored locally in XML it would use one strategy. If the data were remote in a different database, it would use another.
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Why is reading lines from stdin much slower in C++ than Python?
...sing Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm misunderstanding something.
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Disable browser's back button
... following code on your page code behind.
Page.Response.Cache.SetCacheability(HttpCacheability.NoCache)
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Sass or Compass without ruby?
Is there a way to use Sass or Compass or anything like that without Ruby?
7 Answers
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DateTime.Now vs. DateTime.UtcNow
...rties work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario?
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Does opacity:0 have exactly the same effect as visibility:hidden
If so, does it effectively deprecate the visibility property?
9 Answers
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What and where are the stack and heap?
...re created on the stack , and reference types are created on the heap , without explaining what these two things are. I haven't read a clear explanation of this. I understand what a stack is. But,
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Web Service vs WCF Service
...cations that can communicate using a variety of communication mechanisms. With it, you can communicate using Peer to Peer, Named Pipes, Web Services and so on.
You can’t compare them because WCF is a framework for building interoperable applications. If you like, you can think of it as a SOA enab...
Response.Redirect with POST instead of Get?
...a form submission and save some data, then redirect the user to a page offsite, but in redirecting, we need to "submit" a form with POST, not GET.
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jQuery click events firing multiple times
I'm attempting to write a video poker game in Javascript as a way of getting the basics of it down, and I've run into a problem where the jQuery click event handlers are firing multiple times.
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