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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
I understand the basics of how ports work. However, what I don't get is how multiple clients can simultaneously connect to say port 80. I know each client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? ...
What is the difference between Cloud, Grid and Cluster? [closed]
What is the difference between Cloud, Cluster and Grid? Please give some examples of each as the definition of cloud is very broad. As answered in another question , can I call Dropbox, Gmail, Facebook, Youtube, Rapidshare etc. a Cloud?
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What is the best Distributed Brute Force countermeasure?
First, a little background: It is no secret that I am implementing an auth+auth system for CodeIgniter, and so far I'm winning (so to speak). But I've run into a pretty non-trivial challenge (one that most auth libraries miss entirely, but I insist on handling it properly): how to deal intelligently...
Why does string::compare return an int?
Why does string::compare return an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
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Replace all elements of Python NumPy Array that are greater than some value
I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be:
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When to use a View instead of a Table?
When should a View actually be used over an actual Table? What gains should I expect this to produce?
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Convert a list of characters into a string
If I have a list of chars:
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Extracting specific columns from a data frame
I have an R data frame with 6 columns, and I want to create a new dataframe that only has three of the columns.
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Library? Static? Dynamic? Or Framework? Project inside another project
I have an existing iOS app and want to add a large chunk of code that I've been developing as another project just for ease of testing. The new chunk basically deals with saving an image to various sharing services, etc.. Because that sharing code needs a lot of testing and future updating, I was wo...
Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
I am building a browser-based mobile app and I've decided to use Bootstrap 3 as the css framework for the design. Bootstrap 3 comes with a great "responsive" feature in the navigation bar where it collapses automatically if it detects a specific "break point" regarding the resolution of the browser....