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• Python Success Stories

  ...Characteristic features of biomolecular simulations that had to be taken into account are the long execution times of some simulation techniques (several weeks are not uncommon) and the complexity of the data structures describing biomolecules. Choice of languages The choice of Python plus C was made after an evaluation of various languages. I was rapidly convinced that only a mixture of a high-level interpreted language and a CPU-efficient compiled language could meet my seemingly conflicting...

• Community Events Manager

  ...Comfortable interacting with diverse contributors in many different countries, with widely varying backgrounds Preferred experience: 3 to 4 years of experience with managing professional events of comparable scale/structure Experience with vendor management and conference organizing strongly preferred Experience managing volunteers Experience with project management tools, like Asana and Trello Familiarity with the global open source community Excellent customer service and communica...

• Job - Sr. Software Engineer - Remote

  Location: remote, Florida United States

  About Internet2 Internet2 is a non-profit, member-driven advanced research and higher education technology organization. Founded in 1996, Internet2 provides and delivers mission-critical technology services and programs. Internet2's core infrastructure components include the nation's largest and fastest network, and cloud and security services that are influenced, customized, and designed to address …

• Python Success Stories

  ...ce was in C and C++, I felt that another language might be a better choice for quickly developing a graphical user interface. VTK is written in C++, but it has also been wrapped for Python, Tcl and Java. I took a look at each of those. I ruled out Tcl because I felt Python's syntax was much cleaner and because I had heard that large Tcl programs could be hard to maintain. Java had the disadvantage of requiring compilation with each change in the code, and the ability to run code in any recent ...

• Quotes about Python

  ...chose to use python because we wanted a well-supported scripting language that could extend our core code. Indeed, we wrote much more code in python than we were expecting, including all in-game screens and the main interface. It was a huge win for the project because writing code in a language with garbage collection simply goes faster than writing code in C++. The fact that users will be able to easily mod the interface is a nice plus as well. The downside of python was that it significantly i...

• Python Patterns - An Optimization Anecdote

  ...ccessful ones, because of the way the hash chaining works. The second reason why f3() is faster than f1() is that the call to chr(item), as executed by the bytecode interpreter, is probably a bit slower than when executed by the map() function - the bytecode interpreter must execute three bytecode instructions for each call (load 'chr', load 'item', call), while the map() function does it all in C. This led us to consider a compromise, which wouldn't waste extra space, but whic...

• Python Success Stories

  ...ching Nat flip through pictures, though, I noticed something: once he became familiar with the sequence of the pictures, he was clicking on the pictures as if it mattered where he clicked. The image viewer didn't care: any click on the picture would show the next picture. But if Nat knew that the next picture was of a thing off to the left of the current picture, he would click on the left of the image. If he knew the next picture was through a door at the right of the picture, he would click...

• Download Python for other platforms

  ...ckages for Linux You can purchase ActivePython (commercial and community versions, including scientific computing modules, not open source) Python for RISC OS Python is available for RISC OS, and can be obtained using the PackMan package manager. Python for Solaris You can purchase ActivePython (commercial and community versions, including scientific computing modules, not open source), or build from source if you have a C compiler. UNIX Packages has a variety of Python versions fo...

• The Python 2.3 Method Resolution Order

  ...class C. For instance, in the case of single inheritance hierarchy, if C is a subclass of C1, and C1 is a subclass of C2, then the linearization of C is simply the list [C, C1 , C2]. However, with multiple inheritance hierarchies, the construction of the linearization is more cumbersome, since it is more difficult to construct a linearization that respects local precedence ordering and monotonicity. I will discuss the local precedence ordering later, but I can give the definition of monotonicit...

• Executive Summary: The Python Software Foundation

  ...cost developer-focused Python conference called PyCon. This conference format proved to be quite successful and the conference has experienced substantial growth in size and offerings each year. The original PyCon conference is held in North America. In 2007, PyCon-style conferences were added in Italy, the UK and Brasil. The PSF has been closely involved with the North American PyCon since its creation. It provides the financial backing that is necessary to plan and run the conference, and has ...

• Archive 2018: Executive Summary: The Python Software Foundation

  ...cost developer-focused Python conference called PyCon. This conference format proved to be quite successful and the conference has experienced substantial growth in size and offerings each year. The original PyCon conference is held in North America. In 2007, PyCon-style conferences were added in Italy, the UK and Brasil. The PSF has been closely involved with the North American PyCon since its creation. It provides the financial backing that is necessary to plan and run the conference, and has ...

• Python 2.4.1 - Release Notes

  ...C API has been changed. Extensions that use the old API will still compile but will not participate in GC. To upgrade an extension module: rename Py_TPFLAGS_GC to PyTPFLAGS_HAVE_GC use PyObject_GC_New or PyObject_GC_NewVar to allocate objects and PyObject_GC_Del to deallocate them rename PyObject_GC_Init to PyObject_GC_Track and PyObject_GC_Fini to PyObject_GC_UnTrack remove PyGC_HEAD_SIZE from object size calculations remove calls to PyObject_AS_GC and PyObject_FROM_GC Two new functions:...

• Notes

  ...cause Python's cyclic gc had no knowledge of Python's weakref objects. It does now. When weakrefs with callbacks become part of cyclic garbage now, those weakrefs are cleared first. The callbacks don't trigger then, preventing the problems. If you need callbacks to trigger, then just as when cyclic gc is not involved, you need to write your code so that weakref objects outlive the objects they weakly reference. Critical bugfix, for SF bug 840829: if cyclic garbage collection happened to occ...

• PSF Community Service Awards

  ...Con Africa and was the chair of the talk committee. Noah is also one of the founders of DjangoCon Africa, the upcoming inaugural conference for Django developers on the continent. He has spoken at several Python conferences including DjangoCon Europe. Noah is a consistent force for good, particularly in the African Python community. The Q2 2020 Community Service Award went to Katia Lira for her contributions to PyCon LatAm as conference chair, which held its inaugural conference in 2019. Additio...

• PSF Board Resolutions

  ...Code as a tax-exempt 501(c)(3) scientific and educational public charity, and will conduct its business according to the rules for such organizations. with: It qualifies under the US Internal Revenue Code as a tax-exempt 501(c)(3) scientific and educational public charity, and conducts its business according to the rules for such organizations. Remove the paragraph that reads: By "open source" we mean freely available technology licensed under terms compatible with Version 1.9 (or...

Python language documentation

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