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bitbucket is a hosting site for the distributed version control systems (DVCS) Git and Mercurial. The service offering includes an issue tracker and wiki, as well as integration with a number of popular services such as Basecamp, Flowdock and Twitter.

This is the website for the Pro Git book, written by Scott Chacon and published by Apress. Here you can find the full content of the book, a blog with tips and updates about Git and the book and open source projects related to Git or referenced in the book.

This page describes the features of the SVG Rasterizer utility that comes with the Batik distribution. The SVG Rasterizer is a utility that can convert SVG files to a raster format. The tool can convert individual files or sets of files, making it easy to convert entire directories of SVG files. The provided formats are JPEG, PNG and TIFF, however the design allows new formats to be added easily. In addition, the rasterizer can (despite its name) transcode to PDF.

The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers. It is free software under the GNU General Public License. The library provides a wide range of mathematical routines such as random number generators, special functions and least-squares fitting. There are over 1000 functions in total with an extensive test suite. The complete range of subject areas covered by the library includes, Complex Numbers Roots of Polynomials Special Functions Vectors and Matrices Permutations Sorting BLAS Support Linear Algebra Eigensystems Fast Fourier Transforms Quadrature Random Numbers Quasi-Random Sequences Random Distributions Statistics Histograms N-Tuples Monte Carlo Integration Simulated Annealing Differential Equations Interpolation Numerical Differentiation Chebyshev Approximation Series Acceleration Discrete Hankel Transforms Root-Finding Minimization Least-Squares Fitting Physical Constants IEEE Floating-Point Discrete Wavelet Transforms Basis splines Unlike the licenses of proprietary numerical libraries the license of GSL does not restrict scientific cooperation. It allows you to share your programs freely with others.

Computers & Chemical Engineering is primarily a journal of record for new developments in the application of computing and systems technology to chemical engineering problems. Several major areas of study are represented in the journal, including: •Modeling, numerical analysis and simulation •Mathematical programming (optimization) •Cyberinfrastructure, informatics and intelligent systems •Process and product synthesis/design •Process dynamics, control and monitoring •Abnormal events management and process safety •Plant operations, integration, planning/scheduling and supply chain •Enterprise-wide management and technology-driven policy making •Domain applications (molecular, biological, pharmaceutical, food, energy, and environmental systems engineering) Also, general papers on process systems engineering are welcome as well as emerging new areas and topics not covered above. Articles published cover different aspects of the application of process systems engineering to one or more of the general areas listed above, including new applications of established methods, comparisons of alternative methodologies, descriptions of state-of-the-art industrial applications and significant developments in computing targeted at training/education. Reports of software implementation must feature novel uses of state-of-the-art computing technologies. Computers & Chemical Engineering publishes full-length articles, perspective papers, journal reviews, short notes and letters to the editor.

MinGW, a contraction of "Minimalist GNU for Windows", is a minimalist development environment for native Microsoft Windows applications. MinGW provides a complete Open Source programming tool set which is suitable for the development of native MS-Windows applications, and which do not depend on any 3rd-party C-Runtime DLLs. (It does depend on a number of DLLs provided by Microsoft themselves, as components of the operating system; most notable among these is MSVCRT.DLL, the Microsoft C runtime library. Additionally, threaded applications must ship with a freely distributable thread support DLL, provided as part of MinGW itself). MinGW compilers provide access to the functionality of the Microsoft C runtime and some language-specific runtimes. MinGW, being Minimalist, does not, and never will, attempt to provide a POSIX runtime environment for POSIX application deployment on MS-Windows. If you want POSIX application deployment on this platform, please consider Cygwin instead. Primarily intended for use by developers working on the native MS-Windows platform, but also available for cross-hosted use, (see note below -- you may need to follow the "read more" link to see it), MinGW includes: A port of the GNU Compiler Collection (GCC), including C, C++, ADA and Fortran compilers; GNU Binutils for Windows (assembler, linker, archive manager) A graphical and a command-line installer for MinGW and MSYS deployment on MS-Windows MSYS, a contraction of "Minimal SYStem", is a Bourne Shell command line interpreter system. Offered as an alternative to Microsoft's cmd.exe, this provides a general purpose command line environment, which is particularly suited to use with MinGW, for porting of many Open Source applications to the MS-Windows platform; a light-weight fork of Cygwin-1.3, it includes a small selection of Unix tools, chosen to facilitate that objective, and using it is a necessary prerequisite for building mingwPORTs. mingwPORTs are user contributed additions to the MinGW software collection. Rather than providing these "add-ons" as precompiled binary packages, they are supplied in the form of interactive Bourne shell scripts, which guide the end user through the process of automatically downloading and patching original source code, then building and installing it. Users who wish to build any application from a mingwPORT must first install both MinGW and MSYS.

SimulationX is a graphically-interactive tool for the holistic modeling, simulation and analysis of multi-domain systems from 1D to 3D. Multi-level customizing options and SimulationX’s capability to adjust the model’s complexity by mouse-click allow modeling in every step of the design process. Ready-to-use model libraries, e.g., for mechanics, multi-body systems, power transmission, hydraulics, pneumatics, thermodynamics, and electric drives are written in Modelica language. Libraries are extendable by Modelica-based modeling using the SimulationX TypeDesigner. A comprehensive API supports the integration into any CAE, CFD, CAD or database tool environment. Versatile interfaces offer plenty of opportunities for exporting models in terms of Simulink S-function and C-Code for HiL, RCP and other real-time applications. Different features (tracing, performance analyzer, switchable model complexity) support users in achieving real-time-capabilities.

High-Performance Physical Modeling and Simulation MapleSim is a physical modeling and simulation tool built on a foundation of symbolic computation technology. It efficiently handles all of the complex mathematics involved in the development of engineering models, including multi-domain systems, plant modeling, and control design. MapleSim reduces model development time from months to days while producing high-fidelity, high-performance models.

MathModelica makes it possible to develop advanced multi-engineering and life science models by simple drag & drop. MathModelica provides an environment for model based design, including support for modeling, simulation, analysis, and documentation.

Texmaker is a free, modern and cross-platform LaTeX editor for linux, macosx and windows systems that integrates many tools needed to develop documents with LaTeX, in just one application. Texmaker includes unicode support, spell checking, auto-completion, code folding and a built-in pdf viewer with synctex support and continuous view mode.

TeXstudio is a fork of the LaTeX IDE TexMaker and gives you an environment where you can easily create and manage LaTeX documents. It provides modern writing support, like interactive spell checking, code folding and syntax highlighting. Also it serves as a starting point from where you can easily run all necessary LaTeX tools. (you can see more features below) You can run it on Windows, Unix/Linux, BSD and MacOSX systems and modify it if you want, since it is licensed under the GPL. Althought TeXstudio has a lot of additional features, it tries to be like an improved version of Texmaker, so it keeps it look&feel as well as its version number.

Desinfec’t ist eine auf Linux basierte Live-CD zur Desinfektion von Rechnersystemen nach einem Virenbefall. Sie wird von der c’t-Redaktion als Heftbeigabe zu regulären c’t-Ausgaben wie auch zu c’t-Sonderheften herausgegeben und in regelmäßigen Abständen aktualisiert. Bis 2009 trug die Distribution den Namen Knoppicillin. Konzept Das Konzept, den Virenscanner von einer Boot-CD zu starten, stellt sicher, dass die Betriebssystemumgebung des Scanners nicht verseucht sein kann. Ein Schädling kann so weder den Scanner selbst manipulieren, noch sich mit Funktionalitäten eines Rootkits unsichtbar machen, da sein Programmcode nicht während des Systemstarts von der Festplatte ausgeführt wurde. Ebenso kann er sich beispielsweise nicht in den Arbeitsspeicher kopieren und von dort aus erneut das System infizieren. Außerdem ist es von einer Live-CD auch dann noch möglich, das System zu booten, wenn eine Vireninfektion dies beim normalen Betriebssystem verhindert. Desinfec’t ist damit ein wirksames Mittel bei einem Befall mit Schädlingen mit Rootkit-Eigenschaften, der mit herkömmlichen Virenscannern nicht aufgedeckt werden kann – bei anderen Rootkits kann es allerdings (im Gegensatz zu herkömmlichen Viren und Trojanern) sinnvoll sein, diese im aktiven System zu suchen, da ihre charakteristischen Eigenschaften nur dann erkannt werden können. Die modifizierte Linux-Distribution beinhaltet mehrere teils kommerzielle Virenscanner und Treiber für alle gängigen Dateisysteme. Damit ist Desinfec’t und dessen Vorgänger Knoppicillin in der Lage, auch NTFS-Partitionen zu durchsuchen und zu säubern. Eine Aktualisierung der Virensignaturen ist während der laufenden Session automatisch über das Internet oder manuell per Diskette und USB-Stick möglich oder man erstellt sich eine Kopie der CD und integriert dabei gleich aktuelle Virensignaturen. Knoppicillin basierte auf Knoppix als Distribution, woher sich auch der Name ableitet. Bei Desinfec’t wurde zunächst auf Fedora umgestellt, was jedoch von einigen Anwendern nicht gut aufgenommen wurde. Die zweite Desinfec’t-Veröffentlichung, Version 2011, setzt auf die Linux-Distribution Ubuntu. Wegen der Lizenzen einiger Virenscanner ist Desinfec’t nur kostenpflichtig erhältlich und Knoppicillin lässt sich in der recht alten Version 6.0.2 von 2008 nicht komplett herunterladen. Zudem ist bei einigen Virenscannern ein Aktualisieren nur bis zu einem Jahr nach Erscheinen der CD möglich.

Sweave is a tool that allows to embed the R code for complete data analyses in latex documents. The purpose is to create dynamic reports, which can be updated automatically if data or analysis change. Instead of inserting a prefabricated graph or table into the report, the master document contains the R code necessary to obtain it. When run through R, all data analysis output (tables, graphs, etc.) is created on the fly and inserted into a final latex document. The report can be automatically updated if data or analysis change, which allows for truly reproducible research.

We focus on scientific/engineering software development using RAD abilities of Python language, accompanied with free scientific libraries such as NumPy and SciPy. Our mainstream research activity is numerical optimization, including nonsmooth optimization and solving systems of nonlinear equations. OpenOpt framework - universal numerical optimization package with several own solvers (e.g. ralg) and connections to tens of other, graphical output of convergence and many other goodies FuncDesigner - tool to rapidly build functions over variables/arrays and get their derivatives via automatic differentiation. Also, you can perform integration, interpolation, solve systems of linear/nonlinear/ODE equations and numerical optimization problems coded in FuncDesigner by OpenOpt (see some examples in its doc), uncertainty analysis and interval analysis DerApproximator - tool to get (or check user-supplied) derivatives via finite-difference approximation SpaceFuncs - tool for 2D, 3D, N-dimensional geometric modeling with possibilities of parametrized calculations, numerical optimization and solving systems of geometrical equations

Python(x,y) is a free scientific and engineering development software for numerical computations, data analysis and data visualization based on Python programming language, Qt graphical user interfaces, Eclipse integrated development environment and Spyder interactive scientific development environment.

SciPy (pronounced "Sigh Pie") is open-source software for mathematics, science, and engineering. It is also the name of a very popular conference on scientific programming with Python. The SciPy library depends on NumPy, which provides convenient and fast N-dimensional array manipulation. The SciPy library is built to work with NumPy arrays, and provides many user-friendly and efficient numerical routines such as routines for numerical integration and optimization. Together, they run on all popular operating systems, are quick to install, and are free of charge. NumPy and SciPy are easy to use, but powerful enough to be depended upon by some of the world's leading scientists and engineers. If you need to manipulate numbers on a computer and display or publish the results, give SciPy a try!

If PDF is electronic paper, then pdftk is an electronic staple-remover, hole-punch, binder, secret-decoder-ring, and X-Ray-glasses. Pdftk is a simple tool for doing everyday things with PDF documents. Keep one in the top drawer of your desktop and use it to: * Merge PDF Documents * Split PDF Pages into a New Document * Rotate PDF Pages or Documents * Decrypt Input as Necessary (Password Required) * Encrypt Output as Desired * Fill PDF Forms with FDF Data or XFDF Data and/or Flatten Forms * Apply a Background Watermark or a Foreground Stamp * Report on PDF Metrics such as Metadata, Bookmarks, and Page Labels * Update PDF Metadata * Attach Files to PDF Pages or the PDF Document * Unpack PDF Attachments * Burst a PDF Document into Single Pages * Uncompress and Re-Compress Page Streams * Repair Corrupted PDF (Where Possible) Pdftk allows you to manipulate PDF easily and freely. It does not require Acrobat, and it runs on Windows, Linux, Mac OS X, FreeBSD and Solaris.