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Tim Davis: University of Florida Sparse Matrix Collection : sparse matrices from a wide range of applications

Tim Davis: University of Florida Sparse Matrix Collection : sparse matrices from a wide range of applications | coding | Scoop.it
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A Short Guide To Open-Source And Similar Licenses | Smashing Magazine

A Short Guide To Open-Source And Similar Licenses | Smashing Magazine | coding | Scoop.it
Many developers and designers want to release their work into the world as open-source projects. They want others to be able to build on and share their code. The open-source community is vibrant because of this.
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WebSocket - Wikipedia, the free encyclopedia

WebSocket is a web technology providing full-duplex communications channels over a single TCP connection. The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API in Web IDL is being standardized by the W3C.

WebSocket is designed to be implemented in web browsers and web servers, but it can be used by any client or server application. The WebSocket Protocol is an independent TCP-based protocol. Its only relationship to HTTP is that its handshake is interpreted by HTTP servers as an Upgrade request.[1] The WebSocket protocol makes possible more interaction between a browser and a web site, facilitating live content and the creation of real-time games. This is made possible by providing a standardized way for the server to send content to the browser without being solicited by the client, and allowing for messages to be passed back and forth while keeping the connection open. In this way a two-way (bi-directional) ongoing conversation can take place between a browser and the server. A similar effect has been achieved in non-standardized ways using stop-gap technologies such as Comet.

In addition, the communications are done over TCP port number 80, which is of benefit for those environments which block non-standard Internet connections using a firewall. WebSocket protocol is currently supported in several browsers including Google Chrome, Internet Explorer, Firefox, Safari and Opera. WebSocket also requires web applications on the server to support it.

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ORF523: Nesterov's Accelerated Gradient Descent

ORF523: Nesterov's Accelerated Gradient Descent | coding | Scoop.it
[latexpage] In this lecture we consider the same setting than in the previous post (that is we want to minimize a smooth convex function over $\mathbb{R}^n$). Previously we saw that the plain Gradi...
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Ctags - Wikipedia, the free encyclopedia

Ctags is a program that generates an index (or tag) file of names found in source and header files of various programming languages. Depending on the language, functions, variables, class members, macros and so on may be indexed. These tags allow definitions to be quickly and easily located by a text editor or other utility. Alternatively, there is also an output mode that generates a cross reference file, listing information about various names found in a set of language files in human-readable form.

The original Ctags was introduced in BSD Unix and was written by Ken Arnold, with Fortran support by Jim Kleckner and Pascal support by Bill Joy.

Tag index files are supported by many source code editors, including:

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The Birth and Death of a Running Program - Sam who?

The Birth and Death of a Running Program - Sam who? | coding | Scoop.it
The Birth and Death of a Running Program I’ve been on a quest over the last year or so to understand fully how a program
ends up going from …
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X Forwarding with Amazon EC2

X Forwarding with Amazon EC2 | coding | Scoop.it
Thousands people use Amazon EC2 to run they Unix (read Linux) services on the cloud. Sometimes you need to run something that has UI, and you come up to the fact that you need to forward your "X" somewhere out of the EC2 to the available X Window ...
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The Trie: A Neglected Data Structure

The Trie: A Neglected Data Structure | coding | Scoop.it
See how an oft-neglected data structure, the trie, shines in application domains with specific features, like word games.
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Reducers explained (through Python) - Adam Bard and his magical blog

Reducers explained (through Python) - Adam Bard and his magical blog | coding | Scoop.it
Reducers are a different way of looking at collections. Here, we'll implement a small reducer framework in Python so we can see how it works.
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ORF523: Oracle complexity of smooth convex functions

ORF523: Oracle complexity of smooth convex functions | coding | Scoop.it
[latexpage] In this lecture we consider the unconstrained minimization of a function $f$ that satisfy the following requirements:  (i) $f$ admits a minimizer $x^*$ on $\mathbb{R}^n$. (ii) $f$ is co...
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Technology Blog: maven shade plugin: Invalid signature file digest for Manifest main attributes

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