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...concurrency - this should clear up any addition ambiguity as it has been noted that not everyone in the community is familiar with Java Futures, or the Futures term except as it relates to the US stock market. Finally; we are carving out a new namespace for the standard library - obviously named "concurrent". We hope to either add, or move existing, concurrency-related libraries to this in the future. A prime example is the multiprocessing.Pool work, as well as other "addons" included in that m...
...concurrency. This could be seen as the largest amount of code and nested calls that is guaranteed to be executed sequentially without ambiguity in execution order. This might be referred to as concurrency-local or task-local storage. In this meaning of "task", there is no ambiguity in the order of execution of the code within one task. (This concept of a task is close to equivalent to a Task in asyncio, but not exactly.) In such concurrency-locals, it is possible to pass information down the cal...
...Concurrency Memory Model for Python PEP:583 Title:A Concurrency Memory Model for Python Version:56116 Last-Modified:2007-06-28 12:53:41 -0700 (Thu, 28 Jun 2007) Author:Jeffrey Yasskin <jyasskin at google.com> Status:Withdrawn Type:Informational Created:22-Mar-2008 Post-History: Contents Abstract Rationale A couple definitions Two simple memory models Sequential Consistency Happens-before consistency An example Surprising behaviors with races Zombie values Inconsiste...
...Concurrency Concurrency is a challenging area of software development. Decades of research and practice have led to a wide variety of concurrency models, each with different goals. Most center on correctness and usability. One class of concurrency models focuses on isolated threads of execution that interoperate through some message passing scheme. A notable example is Communicating Sequential Processes (CSP) (upon which Go's concurrency is roughly based). The isolation inherent to subinterp...
Location: Cambridge, Cambridgeshire United Kingdom
You will work as part of a close-knit team to continue the development of analysis and control software for TeraView’s industrial sensing and metrology solutions. The role encompasses system design from human-machine interface through data flow and analysis to hardware interfacing and control. The ideal candidate will have a strong …
Location: Philadelphia, Remote, Palo Alto, PA, CA USA
Telecommuting: Yes
Collaborate with the security research team to develop and improve threat detection capabilities. Engineer and optimize data storage solutions for threat detections using databases like Postgres and Elastic Search. Develop and maintain our browser extension to ensure it's aligned with the latest threat intelligence. Engage in the collection and streaming …
...concurrency, fault handling, testing, and debugging provide developers with the opportunity to create more robust and secure applications. Going forward, Python 3 will be the only major version of CPython that is actively maintained for bugs and security issues. Users are urged to migrate to a supported version of Python 3 in order to benefit from its many improvements, as well as to avoid potential security vulnerabilities in Python 2.x after April 2020. For the current status of Python 3 ve...
Python Success Stories Introduction This story is about applying Python in the automated CD/DVD disc packaging industry. In the wholesale market, CD/DVD discs are sold in units of 10, 20 or 50 in one shrink-wrapped bulk package. Counting out stacks of discs for these packages is labor-intensive and requires several steps to accomplish: picking up an estimated number of discs from a large stack, verifying the correctness of the number of discs using a disc counter, adding or removing discs t...
Version: None
Released: Oct. 4, 2014
This is a security-fix source-only release. The last binary release was 3.2.5. The list of fixed security related issues can be found in the NEWS file. New features of the 3.2 series, compared to 3.1 Python 3.2 is a continuation of the efforts to improve and stabilize the …
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...concurrency and the basic support to spread that concurrency across a network of machines - although the two are not tightly coupled, the pyprocessing package could in fact, be used in conjunction with any of the other solutions including MPI/etc. If necessary - it is possible to completely decouple the local concurrency abilities of the package from the network-capable/shared aspects of the package. Without serious concerns or cause however, the author of this PEP does not recommend that appro...
Released: Oct. 12, 2014
This is a security-fix source-only release. The last binary release was 3.2.5. With the 3.2.6 release, and five years after its first release, the Python 3.2 series is now officially retired. All official maintenance for Python 3.2, including security patches, has ended. For ongoing maintenance releases, please see the …
...Concurrency control. This is the responsibility of specific data managers that are plugged into the frameworks. The transaction manager simply tracks object changes and coordinates the activities of data managers to commit (or rollback) changes in an atomic fashion. Query languages. Individual data managers or applications may provide query facilities. While it would be cool to have a common query facility for Python, and I would support such a project, tha...
...concurrency. Calling fork() from a single-threaded program is safe, but it's fragile (to say the least) if the program is multi-threaded. Explicit collections One may ask whether explicit collections should also be delegated to the background thread. The answer is it doesn't really matter: since gc.collect and PyGC_Collect actually wait for the collection to end (breaking this property would break compatibility), delegating the actual work to a background thread wouldn't ease synchronization ...
...concurrency-safe manner. The snapshot process will actually sign for a copy of the latest working set while the latest working set in memory will be updated with information that is continuously communicated by the project transaction processes.) The snapshot process MUST generate and sign new timestamp metadata that will vouch for the metadata (root, targets, and delegated roles) generated in the previous step. Finally, the snapshot process MUST make available to clients the new timestamp an...
Python Success Stories The University of St Andrews, founded in 1411, is Scotland's oldest university Zoom in Introduction The IT Services department at the University of St Andrews, Scotland, develops and maintains software systems used in a variety of capacities throughout the university. I had several years of experience working with Perl when I took my first serious look at Python back in 1999. Our team's projects were becoming bigger and more complex, and it was obvious that we needed t...
Python Success Stories Introduction Tribon Solutions develops, markets and supports CAD/CAM/CIM software solutions, with the mission of increasing overall efficiency in the maritime industry. For more than 30 years the company has provided shipyards, design agents and maritime equipment suppliers with new ways to improve cost efficiency, quality and performance. Our solutions are proven to generate time savings and to increase speed to market. With its head office in Sweden and offices in the...
Released: April 6, 2013
Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.4 was released on April 7th, 2013. This is the final 3.2 series bugfix release. New features of the 3.2 series, compared to 3.1 Python 3.2 is a continuation of the efforts to improve and …
Python 3.2 Release Python 3.2 Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2 was released on February 20th, 2011. Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only receive bugfixes, and new features are developed for 3.x only. Since PEP 3003, the Moratorium on Language Changes, is in effect, there are no changes in Python's syntax and o...
Python 3.2.1 Release Python 3.2.1 Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.1 was released on July 10th, 2011. Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only receive bugfixes, and new features are developed for 3.x only. Since PEP 3003, the Moratorium on Language Changes, is in effect, there are no changes in Python's syntax and...
Python 3.2.2 Release Python 3.2.2 Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.2 was released on September 4th, 2011. It mainly fixes a regression in the urllib.request module that prevented opening many HTTP resources correctly with Python 3.2.1. Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only receive bugfixes, and new features ar...